Power System Operation and Control (ITP) and ... AMR security framework developed within the ITP. ⢠program and presented .... u Tung Kim visited USC (Prof.
School of Electrical Engineering
annual report 2007
coverpicture: Students Electrical Engineering Photographer: Student Section Electrical Engineering Production: School of Electrical Engineering Editor: Marie Androv graphic design & print: Universitetsservice, US-AB 2008
Content Introduction The Dean has the Word................................................................................................................................
2
Organization and Operations......................................................................................................................
3
Facts and Figures...........................................................................................................................................
4
Doctoral Education.......................................................................................................................................
6
Undergraduate Education............................................................................................................................
7
Centres ACCESS Linnaeus Centre...............................................................................................................................
9
Alfvén Centre for Fusion and Space Plasma Physics.................................................................................
10
EKC2 - Centre of Excellence in Electric Power Engineering.......................................................................
11
Laboratories Automatic Control (AC)..................................................................................................................................
12
Communication Theory (CT) .........................................................................................................................
14
Communication Networks (LCN). .................................................................................................................
16
Electric Power Systems (EPS).........................................................................................................................
18
Electrical Machines and Power Electronics (EMPE)......................................................................................
20
Electromagnetic Engineering (EME).............................................................................................................
22
Fusion Plasma Physics (FPP)...........................................................................................................................
24
Industrial Information and Control Systems (ICS). .....................................................................................
26
Microsystem Technology (MST).....................................................................................................................
28
Signal Processing (SP)....................................................................................................................................
30
Sound and Image Processing (SIP)................................................................................................................
32
Space and Plasma Physics (SPP)....................................................................................................................
34
Publications Doctoral Theses.............................................................................................................................................
36
Licentiate Theses...........................................................................................................................................
37
Bibliography..................................................................................................................................................
38
The Dean has the Word The School of EE experienced an extraordinary year in terms of growth. Our total income increased by more than 11% from the previous year. Because the school is research intensive accounting for some 80% of our turnover, most of this growth owes to external research funding. Our competitive research funding increased by over 30% compared to 2006! Most of this increase is due to a doubling of the funding secured from the Swedish Research Council, our primary and most competitive funding agency in Sweden, based on scientific merit. Other large research sponsors include the Swedish Energy Agency, the European framework programmes (FP6 & FP7), the Swedish Governmental Agency for Innovation Systems, the Swedish Foundation for Strategic Research (SSF), the Swedish National Space Board, and Elforsk. Some of our largest industrial research sponsors include Ericsson, Scania, and ABB. We are currently expanding the number of researchers/faculty and Ph.D. students in our areas of growth. The school’s internal faculty funding allocation emphasizes high quality research and education. This assures maximum leverage of our internal resources and allows us to remain an attractive research partner. The School of Electrical Engineering conducts research and education in Electrical Power Engineering, Fusion and Space Plasma Physics, Telecommunications, and Networks, Information and Control Systems (NICS). Our goal is to meet the highest international standards in research and education, corresponding to relevant challenges in society. The school offers a five year program in Electrical Engineering (Civilingenjörsexamen i elektroteknik) primarily targeting Swedish students. In addition, five highly competitive international Master’s programs are offered with a global recruitment base. In the fall of 2007, EE welcomed some 180 foreign students to complete their master level education. These students are highly motivated and do very well at KTH. After completing their degree, several continue towards a Ph.D. or take up professional careers in industry in Sweden or elsewhere.
2
This report briefly describes our educational programs first. The twelve research laboratories present some of the highlights during 2007 and the school’s three research centres, Electric Power Engineering, Alfvén Laboratory, and ACCESS Linnaeus Centre describe their activities. Also, a comprehensive list of publications and academic degrees awarded during the year can be found at the end. We hope that you enjoy this short presentation of the activities at EE during 2007. More detailed information as well as online research reports may be found by visiting us at www.ee.kth.se.
Björn Ottersten Dean
Organization and Operations KTH School of Electrical Engineering is one of nine schools within KTH. The school conducts research and education in Electrical Power Engineering, Fusion and Space Plasma Physics, Telecommunications, and Networks, Information and Control Systems (NICS). The school’s twelve laboratories are briefly described in the annual
report, as are our three research centers, shown in the operational chart below. A the School we give a five year program in Electrical Engineering, as well as five two-year master’s programs. A large number of foreign students also attend our courses within exchange programs and double degree cooperations that KTH has with other universities.
3
Facts and Figures Personnel 2007 Full time employments
2007
Faculty and researchers
40.14
Doctoral students
104.58
Teachers
50.00
Technical and administrative personnel Total
Faculty and researcher 17% Doctor students 46% Teachers 22% Technical and administrative personnel 15%
34.35 229.07
Costs 2007 2007
4
Personnel
137,638
Personnel 63%
Office costs
25,098
Travel costs 4%
Travel costs
9,057
Overhead
46,336
Total
218,129
Office costs 12% Overhead 21%
Income 2007 2007 University funding for education (GRU)
34,805
University funding for research (FOFU)
88,569
External funding
85,838
Contract research Other Total
GRU 15% FOFU 38% External funding 37% Contract research 3% Other 8%
7,319 17,839 234,370
External Financing 2007 2007
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1,975 105,656
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Total
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3,602
ABB AB
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SIDA
12 500
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4,634
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5,552
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en
SSF
25 000
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5,423 10,382
VR
VINNOVA
37 500
ut
Rymdstyrelsen
12,104
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Statens energimyndighet
1,050
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11,602
Elforsk AB
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EU’s institutions
50 000
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49,332
EU si
VR
5
Doctoral Education Our ambition is to offer a Ph.D. educational program meeting the highest standards with students publishing in top international journals and conferences. The contents cover a range of research areas reflecting the areas of specialization of the research groups at the School. The course curriculum has three main components: basic courses offered on a periodic basis, more specialized courses, and intensive summer schools. At present, about 160 active Ph.D. students are enrolled and 19 Ph.D. and 19 Licentiate degrees were awarded during 2006. A significant expansion is foreseen in 2008. The plan is to recruit around 60 new Ph.D. students. Graduates Schools
The School hosts two graduate schools. The Graduate School of Telecommunications (GST) includes, apart from KTH, departments from Mid Sweden University, University of Gävle and Blekinge Institute of Technology. GST was founded in 2002 and 51 Ph.D. students are presently enrolled in the program. So far 30 Licentiate degrees and 18 Ph.D. degrees have been awarded. The second graduate school is the newly formed ACCESS Graduate School which is associated with the ACCESS Linnaeus Centre - Autonomic Complex Communication Networks, Signals and Systems. The Centre was founded in 2006 through a 10 years grant from the Swedish Research Council. Renewal and International Researchers
Renewal is an important aspect of our Ph.D. program. For our curriculum this means that visiting post-docs are encouraged to develop and offer courses close to their research areas, internationally renowned researchers are invited to give intensive courses and means are provided for thorough development of our basic courses. Our graduate schools play an important role in all this. Our students are also encouraged to spend time as visiting guests at other universities or facilities.
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Prof. Håkan Hjalmarsson, Director for graduate education
Undergraduate Education During 2007Education KTH decided that its future eduUndergraduate cational structure shall be based on the Bologna The of Electrical Engineering During model. 2007 KTH has School decided that its future educational structurehas shall be based onalready a bachelor-master structure. The School of ElectricalproEngineering has in 2006 adopted all its educational already in 2006 adopted all its educational programs to this structure. grams to this bachelor-master structure.
The total number of students at EE, including students at the Electrical engineering program, master’s programmes, exchange, double degree students The totalexceeds number students atthan EE,1/3 including and PhD students 1000ofstudents. More of the students are international students. betweenEngineering these categories program, is shown in the chart students on The the ratio Electrical below.
master’s programs, exchange and double degree Pie Chart med andelen students, as well as Ph.D. students exceeds 1000 131 exchange students, out of which, 27 double diploma students. More than one third of them are interna677 Electrical Engineering 93 Master’s students tional students. The ratio between these categories 160 PhD students is shown in the chart below. Electrical Engineering The Electrical Engineering programme has five specializations: Elektroteknik, Systemteknik, Kommunikationssystem, elektronik and elektronik.
Prof. Stefan Östlund, Director
for undergraduate Prof. Stefaneducation Östlund, Director for undergraduate education
Winning team for best poster in
the Electro project with their Exchange Students Double Degrees practical experiment onand how to
measure the efficiency in a The number of Double waterfall. Students in their firstDegree students has Biomedicinsk year on Electrical Engineering increased during the last years and is expected to programme. continue to grow also in 2008. In 2007 discussions Exchange students and Double diploma The number of Double Degree students has increased during the last years and to Double increase Degree cooperation has been onisaexpected possible also in 2008. In 2007 discussions on a possible Double Degree diploma has been initiated with ETH initiated with ETH Zurich. Zurich.
The chart below shows the number of Exchange students and Double Diploma students and their chart below shows the number of exchange country of origin. In 2007 most international students came from France. GörThe en paj med Frankrike, Italien, Spanien, Tyskland, Singapore, resten av länderna läger du under “other countries”: students and Double Degree students and their
country of origin. In 2007 most international stu-
Turkiet
Venezu…
Singap…
Storbrit…
Ryssland
Kina
Polen
Frankrike
Australi…
0
Brasilien
50
magisterprogram WinningExchange team for best poster in the Electro project Faktaruta with theirsom pracdents came from France. degree agreement: tical experiment on how to measure the efficiency inDouble a hydroelectric Politecnico Torino powerstudents2007 station. Students in their first year on the Electrical EngineerINPG Grenoble UPM Madrid ing program.
Total
UPC Barcelona Paris Ecole Politecnique TU Darmstadt Supélec (muntligt) ENST Paris
131 st Exchange students,
Germany 22 st
including 27 double degree
Singapore 8 st
677 st Electrical Engineering
France 35 st
93 Master’s students
Spain 18 st
160 Ph.D. students
Other countries 32 st Italy 16 st
Student Office. From the right: Anneli Åkesson, student councilor; Cecilia Forssman, coordinator master’s programs; Manja Schubert, International coordinator; Lise-Lotte Wahlberg, Educational administration
Student Office. From the right: Anneli Åkesson, student councilor; Cecilia Forssman, coordinator master’s programmes; Manja Schubert, International coordinator; Lise-Lotte Wahlberg, Educational administration
Double Degree Cooperations ♦♦ Politecnico Torino
♦♦ Paris Ecole Politecnique
♦♦ INPG Grenoble
♦♦ TU Darmstadt
♦♦ UPM Madrid
♦♦ Supélec
♦♦ UPC Barcelona
♦♦ ENST Paris
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Undergraduate Education Master’s Programs at
School of Electrical Engineering
In 2007 the School started two new master’s programs, in System, Control Robotics and in Network Services and Systems. A decision was also taken to start a new master’s program in Electro-physics, and students will be admitted for entry in autumn semester 2008. During 2007, 24 students graduated from the two master’s programs in Wireless systems and Electrical Power Engineering. The number of students admitted to our programs in 2007 is shown in the chart to the right. The program in Wireless systems maintains its position as the most attractive master’s program at KTH, with a ratio of seven between applicants and admitted students. Students come from 22 different countries, where the largest groups are from China, Greece, Iran Pakistan and other countries in Asia.
Electric Power Engineering 19 Network Services and Systems 24 Nuclear Fusion Science and Engineering Physics Erasmus Mundus 8 Systems, Control and Robotics 12 Wireless Systems 30
♦♦ Electric Power Engineering ♦♦ Electrophysics ♦♦ Network Services and Systems ♦♦ Nuclear Fusion Science and Engineering Physics Erasmus Mundus ♦♦ Systems, Control and Robotics ♦♦ Wireless Systems
Back row from the left: Per Hägg, Joonas Pesonen, Martin Andersson Front row from the left: Fotios Katsilieris, Li Xing, Maurizio Perino
Students’ Project in a Truly International Atmosphere
Different perspectives ticket to success
Six students with different academic backgrounds To make it work and avoid that the group gets and from five different countries have negotiated stuck in conflicting issues, that might escalate to on problem solving and created a realistic and paralyzing conflict, you have to work actively with advanced computer game using the Brio Labyfeedback. You cannot assume that the other person rinth Game in the is thinking like you. “I learned that I shouldn’t ask questions too soon. You have Automatic Control “You have to ask for to be patient, do your research and prepare your results for project course. immediate feedback the rest of the group.” Li Xing, a student on the master’s The team had to – some think ‘I’m not program in System, Control and Robotics” make use of everygonna say anything, body’s skills and experiences to build their compu- it’s not gonna make a difference’…that’s why you ter game: skills in software programming, control have to give immediate feedback, to check how theory, web development, project management, as people have perceived your information”, says Per well as presentation techniques. Hägg, a student on the Electrical Engineering program, specialized in control and signal processing.
8
ACCESS Linnaeus Centre Autonomic Complex Communication Networks, Signals and Systems
ACCESS Linnaeus Centre at KTH brings together researchers from Electrical Engineering, Computer Science, and Mathematics to carry out long term interdisciplinary research and joint Ph.D. education on complex communication networks. Together with industrial partners, ACCESS researchers at KTH aim at developing fundamental understanding and engineering principles for designing self-managed and scalable communication networks in which applications may share real-time information and cooperate in an efficient, affordable, and reliable manner.
About the Centre
ACCESS Linnaeus Centre was founded on a 10 year Linnaeus grant, awarded by the Swedish Research Council in 2006. ACCESS conducts Ph.D. education in a graduate school that is developing a curriculum adapted to the research program. A mobility program supports visiting researchers and hosts a number of post doctoral scholars. The ACCESS Distinguished Lecture Series regularly presents internationally renowned researchers. The Centre engages 35 senior researchers and 80 Ph.D. students. The annual turnover is 5 million Euro making it one of northern Europe’s largest research centers on future communication systems. Centre Directors
Prof. Björn Ottersten, Director Prof. Karl Henrik Johannsson, Co-director Prof. Mikael Skoglund, Program Director ACCESS Graduate School
ACCESS Distinguished Lecture Series 2007
Research Activities
ACCESS research activities are carried out in four thematic research areas: • Networked Services • Distributed Management • Communications Infrastructure • Signals and Systems Theory In addition, over 50 research projects are ongoing with support from the European framework programs, VINNOVA, Ericsson AB, VR, and SSF.
♦♦ Martin Vetterli, EPFL ♦♦ Tom Marzetta, Bell Labs ♦♦ Joseph Hellerstein, Microsoft Cooperation ♦♦ Bernd Girod, Stanford University ♦♦ Andrew Odlyzko:, University of Minnesota ♦♦ John Baras, University of Maryland ♦♦ Michel Gevers Université Catholique de Louvain ♦♦ Shankar Sastry, UC Berkeley
9
Alfvén Centre for Fusion and Space Plasma Physics Mission
The Alfvén Laboratory was founded in 1990 to provide a platform for research and education in fusion- and space-related plasma physics. When KTH was reorganised in 2006, the Alfvén Centre for Fusion and Space Plasma Physics was formed. The mission of the Centre is to examine the development plans and programmatic strategies of the space and fusion plasma physics programs and to establish priorities in these programs with the aim of maintaining an internationally leading research programme. The Director of the Alfvén Laboratory is: Professor James R. Drake. The Centre has external membership: Lennart Nordh Swedish Space Board Gunnar Leman VR (retired) Per Helander Max Planck Institute for Plasma Physics, Germany Eigil Friis Christensen Danish Space Research Institute Research Activities
The aim of fusion research is the development of a fusion power reactor. The fusion research activity is a part of the EU fusion program carried out under an agreement between EURATOM and the Swedish Research Council (Vetenskapsrådet - VR). The activity has a long-term time scale and provides the platform for participation in the International Thermonuclear Experimental Reactor (ITER) project. The space research focuses on participation in satellite missions through development and exploitation of payload diagnostics for study of electromagnetic phenomena. The space activities include
10
hardware participation in a wide range of projects within the Swedish, bilateral, ESA, NASA, and JAXA space programs. They are characterised by international collaboration and long-term commitments and supported by the Swedish National Space Board (Rymdstyrelsen - RS).
EKC2 - Centre of Excellence in Electric Power Engineering Year 2007 marks the second year of the Swedish centre of Excellence in Electric Power Engineering - EKC². The centre comprises four research programs including a total of 24 research projects. Industry and government funding for the centre amounts to 15,5 MSEK annually. In addition, active participation by researchers in industry adds an additional 7 MSEK per annum, totalling 22,5 MSEK external funding per year. At KTH the centre finances 20 Ph.D. students and 14 senior researchers, amounting to 7 full-time equivalents. During 2007 many of the activities in the centre have focused on the newly started projects both at KTH and at the involved industry partners.
Centre Management
Lars Nordström, Director Patrik Hilber, program manager – MM Juliette Soulard, program manager – HPD Valerijs Knazkins, program manager – CPS Mathias Ekstedt, program manager – ITP
Scientific and Industrial Output
The scientific output from the centre in 2007 in terms of scientific publications consists of, in total: 10 journal articles, 16 articles at peer-reviewed conferences and 8 contributions to workshops. The trend to increase publication in international journals continues. Moreover, 1 doctoral and 1 licentiate theses have been presented. Additionally, researchers in the centre have actively participated in tutoring 33 Masters Thesis projects performed in conjunction with the research projects in the centre. About the Centre
The vision for EKC² is to establish the center as an international leading group in the area of Electric Power Engineering, and create a natural meeting point for industry and academia in northern Europe. The four strategic goals for the centre are; Integration of new energy sources Affordable Reliability, Energy Efficiency and Market Development. The research is organized in four research areas, Maintenance Management (MM), Controllable Power Systems (CPS), IT applications for Power System Operation and Control (ITP) and High Performance Electrical Machines and Drives (HPD).
Of particular note during the year are the following activities and events: ♦♦ EKC2 co-hosted an International Workshop on diagnostics at KTH September 11-12. The workshop attracted some 60+ researchers worldwide. ♦♦ A new method to maximize energy trading and simultaneous consideration of security constraints has been developed. The new method allows to explicitly address the maximum loadability issue and prevent voltage instability ♦♦ AMR security framework developed within the ITP program and presented at CIRED is under consideration for status as recommendation within WELMEC – European Cooperation in Legal Metrology. ♦♦ The 15.5 MW induction motor with special windings built at ABB Automation Technologies, has been successfully tested. ♦♦ Two new PM motor prototypes for traction have been built and tested through intensive co-operation wioth Bombardier transportation.
11
Automatic Control Our core competence is in modeling, identification, estimation, control and optimization. The basic research in this area is mainly sponsored by the Swedish Research Council (VR). One focus is identification and we are coordinating ERNSI. Network Control
A strategic area is networked control systems. This includes optimization and control in communication systems as well as control over communication networks. Here we are involved in the two EU-sponsored Integrated Projects ``Reconfigurable Ubiquitous Networked Embedded Systems -- RUNES’’ (completed in July 2007) and ”Service-Oriented Cross-layer infRAstructure for Distributed smart Embedded devices -- SOCRADES”. The control group is also partners in three European Networks of Excellence in FP6: HYCON, ARTIST2 and Euro-FGI. New Research Area
A recent area of research is systems biology, covering modeling and analysis of intra- and intercellular biochemical networks. We have several industrial Ph.D. projects and other research projects with several companies, and institutes including Scania, Bombardier Transportation, ABB, GM Powertrain, Ericsson and FOI. ♦♦ Karl Henrik Johansson was appointed professor in Networked Control Systems. He spent the academic year 2006/2007 as a visiting professor at Caltech. ♦♦ Henrik Sandberg received an Ingvar Carlsson Award 2007 (3 million SEK) to return to Sweden and join the control group after a post-doc at Caltech. He also received an SSF mobility grant. ♦♦ Carlo Fischione and Henrik Sandberg were awarded four year Research Associate positions by the Swedish Research Council. ♦♦ Jonas Mårtensson successfully defended his Ph thesis in October 2007, and Anna Pernestål, Oscar Flärdh, Pable Soldati, Magnus Lindhé and Anders Gunnar received the licentiate degree. ♦♦ Four new Ph.D. students, Erik Henriksson, Peter Almström, Pan Gun Park and Magnus Neuman have joined the group. ♦♦ Three post docs, Dimos Dimarogonas, Jonas Mårtensson and Alexandre Seuret, have joined the group. Our former post doc Emmanuel Witrant has taken up a position as associate professor at GIPSA-lab, ENSIEG, France. ♦♦ Prof. Magnus Egerstedt, Georgia Tech, Prof. John Baras University of Maryland, Prof. Xavier Bombois TU Delft, Prof. Brett Ninness and Cristian Rojas University of Newcastle, Australia visited the group as guest researchers. ♦♦ The Linnaeus center ACCESS, funded by the Swedish Research Council 2006-2016, where the control group is the largest partner, ramped up its research activities. Three new project grants for 2008-2010 were also approved by the council. Several other new projects were also launched.
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Personnel Professors Bo Wahlberg (Head) Håkan Hjalmarsson Elling W Jacobsen Karl Henrik Johansson Professor Emeritus Torsten Bohlin Lab Administrator Karin Karlsson Eklund System Administrators Niclas Horney Andreas Stenhall Nina Unkuri, tj ledig Associate Professors Mikael Johansson Post-Docs Dimos Dimarogkonas Carlo Fischione Maben Rabi Henrik Sandberg Alexandre Seuret Emmanuel Witrant Ph.D. Students Peter Almström, Märta Barenthin, Oscar Flärdh, Anders Gunnar, Erik Henriksson, Krister Jacobsson, Björn Johansson, Magnus Lindhé, Jonas Mårtensson, Niels Möller, Magnus Neuman, Torbjörn Nordling, Pan Gun Park, Anna Pernestål, José Scarpati, Pablo Soldati, Camilla Trané Research Engineers Javier Gratal Martinez Marco Fiorenzi Daniele Girella
Research Projects Networked Embedded Systems
Networked embedded systems play an increasingly important role in industry and society, and affect most aspects of our lives. By enabling embedded systems to communicate, new applications and services are being developed in areas such as healthcare, industrial automation, security and transportation. Our research group focuses on a number of fundamental research problems on how to efficiently use system and network resources while providing reliability and quality. We are part of several leading international networks and collaborations in the area. In the European Integrated Project SOCRADES we are creating new methodologies, technologies and tools for the modeling, design, implementation and operation of networked systems made up of smart embedded devices in the industrial automation and control. Together with ABB, Boliden and others, we are developing and transferring research results on wireless networking and control that compensate for uncertainties of the underlying actuator and sensor networks.
quantifying robustness and identifying fragilities in biochemical networks underlying specific functions. The method also provides important information on the role of specific interactions in the network, and hence provides a useful basis for model reduction and network modularisation. Applications we have considered during the year include circadian clocks in mice and plants, white blood cell metabolism and programmed cell death. A collaboration with Karolinska Institutet on hierarchical modeling of human metabolism has also been initiated during the year.
The Alphavirus in work: The research in systems biology will provide tools that can be used to model intracellular biochemical networks and guide the syntheses of new systems level mechanisms aimed at improving specific functions and properties. The Alphavirus can be used to add the new mechanisms, in the form of new regulatory genes, to the cell.
Modeling and Estimation
The research group is investigating new wireless technology for control applications for the mining industry within the European Integrated Project SOCRADES. Industrial collaborators include ABB and Boliden.
Systems Biology
The research within systems biology focus on developing methods and tools for modeling, analysis and synthesis of inter- and intracellular biochemical networks. Important areas include system identification of gene regulatory networks, robustness analysis of biological functions and network modularisation according to function. Within network identification the recent focus has been on experiment design with the aim of uncovering the network structure. An iterative method ensuring a sufficient excitation of all relevant network interactions has been proposed. Robustness is a key property of biological functions, and we have recently proposed a control theoretic method for
A theme of our research in this area has been to take the use of the model into account in the estimation step, and particular control and fault detection applications. Much effort has been spent on understanding how different factors influence an identified model’s accuracy. This work is summarized in Jonas Mårtensson’s Ph.D. thesis. Also, experiment design has been a focal point of our research, with contributions to adaptive designs and input design for non-linear systems. Many of our more applied and industrial projects are based on this competence. One example is the research at the Centre for Autonomous systems on path planning, localization and grasping, where model based estimation methods is of fundamental importance. Another example is our recent industrial projects with Scania AB on energy management of an hybrid bus and our work in engine control with GM Powertrain, where again the modeling for optimization and control is a real challenge.
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Communication Theory The chair in Communication Theory at the Royal Institute of Technology was founded in 2003, as a direct successor to the previous chair in Teletransmission Theory. The Communication Theory Lab conducts research and education in the general area of digital communications. Our undergraduate education is presented in collaboration with the Signal Processing Lab. Fourteen undergraduate courses are given every year, most of them during the final two years, and approximately 30 master theses are completed annually. At the graduate (Ph.D.) level, we offer courses in theoretical aspects of digital communications. The Lab’s research focuses on information and communication theory, with emphasis on wireless systems. Achievements
In 2007 we produced 19 new journal papers, and 24 conference papers. The Lab also received several new projects, notably the EU Fp7 STREP “SENDORA” and the VINNOVA/NORDITE project “CROPS2.” Some additional highlights during the year are listed below.
Personnel Professors Mikael Skoglund (Head) Göran Einarsson (emeritus) Lars Zetterberg (emeritus) Associate Professors Erik Larsson, Assoc (until Aug. 07) Financial Administrator Annika Augustsson Post-Doc Ragnar Thobaben Ming Xiao
u Erik Larsson has left the Lab to become a Professor at
Linköping University.
u Tung Kim visited USC (Prof. G. Caire) for 6 months, and
Niklas Wernersson visited NTNU (Prof. T. Ramstad) for 2
months.
u Ming Xiao joined as a new post-doc. Ricardo Blasco Serrano,
Zhongwei Si, and Dennis Sundman joined the Lab as new
Ph.D. students.
u Chiao-Lung Wu is a visiting Ph.D. student for one year
(Dec. 07 to Dec. 08).
u Tomas Andersson left the Lab to join Ericsson.
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Ph D students Mattias Andersson Tomas Andersson (until Oct. 07) Lei Bao Johannes Karlsson Thanh Tùng Kim Majid Nasiri Khormuji Ricardo Blasco Serrano Zhongwei Si Dennis Sundman Niklas Wernersson Chiao-Lung Wu (visiting) Sha Yao
Research Projects Wireless Transmission
One central activity in wireless transmission is the utilization of partial channel-state information at the transmitter (partial CSIT), obtained via a resolution-constrained feedback link. We have fully characterized the diversity-multiplexing tradeoff in multiple-antenna (MIMO) transmission over a slowly fading channel with partial CSIT and furthermore studied optimal power control based on partial CSI feedback to optimize the expected rate in slow fading. Relaying and cooperative transmission are concepts for providing increased reliability, coverage and higher transmission rates in wireless networks. Our work in this area mainly concerns the development and analysis of resource allocation algorithms and the design of new transmission schemes. Some of our recent contributions provide analytical results on the outage probability and outage exponent for various scenarios. Our work also inlcudes the design of new relaying protocols based on hybrid digital-analog and purely analog techniques. Finally, we are also active in the field of generalized non-coherent transmission (no CSIT and no or partial CSIR). Two previously submitted journal papers were published, and ongoing activities concern extending previous work to support longer codewords.
Coding for Wireless Communications
Our research on coding for cooperative communications includes the design of rateless codes optimized for wireless networks, multi-user (hybrid) automatic repeat request schemes employing joint network and channel coding, and distributed coding schemes for the relay channel. Here, we focus on traditional designs for long block lengths and also on low-complexity approaches working with short block lengths. A target application in this context is wireless sensor networking employed for spectrum sensing in a cognitive radio scenario. We also study various aspects of network coding, in particular for cooperative communications. With network coding in the relay nodes, we have shown that higher diversity and coding gains can be
obtained. As a related topic, we are also studying rateless codes for packet-level erasure control. To meet the delay constraint, we investigate rateless codes with finite source-length, as needed to meet the requirement of real-time application. These codes still provide long channel codewords, to result in powerful channel codes. Hence, the proposed codes are well suited to wireless applications. (3)
Y1
D1 (3)
Y3
1
π
(3)
Y4
D4 2
Y Y
(3) 7
Y
(3) 8
T6
1
π
D3
(3) 6
π
π π
2
π 3
T7 T8 Joint Source-Channel Coding
Our work on joint source-channel coding has resulted in new designs for robust distributed quantizes for different environments. Additionally we have been active in the field of designing analog joint source-channel codes, both for single as well as multiple sources. In our work on system optimization for iterative source-channel decoding, new code designs were developed which lead to an improved error robustness while at the same time the decoding complexity is significantly reduced. We have also studied achievable distortion exponents in source-channel coding over slow fading channels. This work characterizes the rate at which the end-to-end distortion can be made to approach zero as the channel SNR goes to infinity. In our work on coding for networked control, we have studied the problem of optimal encoder-decoder-controller design when controlling unstable linear systems. Here we have expanded on previous work by proposing various joint designs for control over a noisy channel, subject to different assumptions on process and measurement noise. Finally, we completed a study of implementing long multiple-description codes, using multi-stage quantization. This scheme was applied to image coding for lossy packet networks.
15
Communications Network The Laboratory conducts research and education in networking. Our interest is to design and analyze systems for multimedia communication, distributed network management, and mobile communication. Our investigations blend theory, simulation and experimentation. We have an extensive laboratory facility with state-of-the-art equipment. LCN is responsible for teaching the following courses. Courses
EP1100 Data communication and Computer Networks EP2120 Internetworking EP2200 Queueing Theory and Teletraffic Systems EP2210 Performance Analysis of Communication Networks EP2300 Management of networks and networked systems EP240X Thesis in communication networks All courses give 7.5 ECTS credits, the thesis work gives 30 ECTS credits. Activities
In 2007 we made contributions to EU integrated project Ambient Networks, and EMANICS and EuroNGI networks of excellence. New projects have been accepted: within the EU Framework Program 7, we are part of Euro-NF (Network of Excellence), as well as the coordinated actions SENDORA, 4WARD, and Onelab2. The Vinnova Nordite project CROPS was renewed for three years and the DISC Vinnova industry- university research project was accepted. We worked with SICS CNS Vinnova center of excellence. Seminars
Seminars were given by Martin Vetterli (EPFL), Joseph L. Hellerstein (Microsoft Corporation), János Sztrik, (Univ. Debrecen), Adam Dunkels (SICS), Alex Clemm (Cisco). We also had four visiting researchers. Rolf Stadler was co-Chair of a DagstuhlSeminar on Autonomic Management of Networks and Services, and TPC co-Chair of 18th IFIP/IEEE DSOM. Gunnar Karlsson was TPC co-chair of WiOpt ’07, Area TPC Chair of IEEE Infocom ‘08 and lead guest editor of a IEEE J-SAC issue on delaytolerant communication.
♦♦ Viktória Fodor was promoted to “universitetslektor” (associate prof.). ♦♦ György Dán was awarded a position as “forskarassistent” (assist. prof.) ♦♦ We became part of three new coordinated actions in the EU FP7 ♦♦ Dr Dan Jurca joined LCN from EPFL as ACCESS post-doctoral researcher ♦♦ Alberto Gonzalez worked at AT&T Laboratories for 5 months. ♦♦ Jing Fu visits the Dept. of Comp. Science at Princeton University for 4 months.
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Personnel Professor Gunnar Karlsson (Head) Rolf Stadler Associate Professor Viktória Fodor György Dán Post-doctoral researcher Dan Jurca Administrator Jeanette Jansén Ph.D. Students Ilias Chatzidrossos, Jing Fu Alberto Gonzalez, Ólafur Ragnar Helgason, Georgios Koudouridis (external) Ignácio Más Ivars (external), Ian Marsh (external), Vladimir Vukadinović, Fetahi Wuhib Pre-doctoral student Alonso Zúñiga Visiting researchers János Sztrik, Univ. Debrecen, Hungary Ulrich Fiedler, Univ. Biel, Switzerland Pilar Manzanares Lopez, Technical University of Cartagena, Spain Juan Carlos Sánchez Aarnoutse, Technical University of Cartagena, Spain Master thesis students Magnus Bodin Liu Xiaozhi Erik Häggbrink Sean Xiang Ma Kristján Valur Jonsson
Research Projects
Peer-to-peer Media Streaming Systems
Peer-to-peer is a promising paradigm for large scale content distribution, such as IPTV and video on demand. In this project we derived mathematical models that describe the data distribution process in peer-to-peer overlays. Based on these models we defined overlay structures, membership and transmission control protocols that can provide large scale streaming with good perceived quality. We published our work in one magazine and four conference papers. Distributed Configuration Management
The aim of this work is to automate configuration, while allowing business objectives and operational policies to restrict the configuration process. We advocate a peer-to-peer approach to facilitate scalability and rapid reaction times in response to external events or failures. An application area of the project is self-configuration of UMTS Networks. This work has been performed in cooperation with the Center for Networked Systems (CNS) at SICS and with Ericsson Research. Wireless Networking
PodNet is a broadcasting system that relies on delay-tolerant forwarding of data chunks through the mobility of wireless nodes; the project is carried out in collaboration with ETH Zurich. We published one journal paper and two conference papers during the year. We have studied resource
sharing for integration of multicast and unicast data on time-slotted radio channels. The performance gains are substantial; a practical scheduling scheme has been proposed. The work has been published in one journal paper and one conference paper during the year. Router and Network Architecture
We have studied network processors in routers and done more work on IP address lookup. One journal paper and one conference paper has been published this year. New work started on traffic engineering and routing in IP networks with centralized control. Real-time interactive and streaming services would benefit from quality of service that could be provided by means of a probe-based admission control. Two journal papers were published during the year on this topic. Adaptive Decentralized Monitoring
We have engineered protocols that execute in a distributed management layer, performing the tasks of distributed polling, continuous estimation, and threshold detection for network-wide aggregates. These protocols are self-configuring, robust, and tunable at runtime. We have investigated treebased and gossip-based protocols for this purpose. This work has been performed in cooperation Mads Dam, KTH CSC, and with Cisco Systems, USA.
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Electric Power Systems The scientific and technical activities of Electric Power Systems cover development and application of methods for analysis, simulation, and control of electric and integrated energy systems. Important aspects include decision criteria, reliability, security and market design. Studied systems include generation, transmission, distribution, and the use of electric energy in addition to operation and planning of electric power systems. An important area is the coupling between the physical power system and the behavior of actors on the electricity market. Controllable Power Systems
Within the Centre of Excellence in Electric Power Engineering, the division is active within the program Controllable Power Systems. This research program started up with a new phase in 2006 and is chiefly concerned with the theory and applications of technical and economical control of power systems in order to achieve robust and efficient operation with optimal reliability in the framework of the deregulated electricity markets. Courses
EG2020 Power Systems, basic course EG2030 Power Systems, advanced course EG2040 Wind Power Systems EG2050 System Planning EG2060 Electricity Market Analysis EG2070 FACTS and HVDC in Electric Power Systems EG2080 Monte Carlo-methods in Engineering
♦♦ One postgraduate examination has taken place: ♦♦ Elin Broström received her Licentiate (2007-06-14) ♦♦ 3 new Ph.D. students were recruited. ♦♦ 8 Master theses were completed during the year. ♦♦ Lennart Söder was appointed investigator for the Grid Connection Inquiry by the Swedish government in February 2007
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Personnel Professor Lennart Söder (head) Assistant Professor Mehrdad Ghandhari Lab administrators Brigitt Högberg Margaretha Surjadi Researchers Thomas Ackermann Mikael Amelin Valery Knyazkin Julija Matevosyan Ph.d. Students Karin Alvehag Lars Abrahamsson Geoffrey Bakkabulindi Elin Broström Katherine Elkington Robert Eriksson Hector Latorre Rujiroj Leelaruji Elin Lindgren Magnus Olsson Magnus Perninge Daniel Salomonsson Al-mas Sendegeya Magnus Öhrström
Research Projects In the division there are projects within three different areas:
Power System Dynamics and Control Electricity Markets and Production Planning Power System Network Planning
the dynamic of wind power farms, and the impact of the integration of large-scaled wind power generation on the dynamics of power systems are considered. Furthermore, this research area focuses on derivation of linear and nonlinear control strategies for controllable devices (such as FACTS, HVDC and PSS) to improve transient stability and damping. Application of PMU-technology to these control strategies is also considered. Electricity Markets and Production Planning
Given a set of rules, the producers of the electricity market have to plan their operation in order to use the power plants as efficiently as possible. Research projects within this area include topics such as expansion of the transmission system, congestion management, coordinated production planning of wind and hydro power, production planning of sales to spot market and real-time balancing market, regulation of distribution grids as well as electricity disclosure and other means to promote environmentally benign electricity generation. Power System Network Planning
Improved power system control can damp international electromechanical oscillations and decrease power prices.
Power System Dynamics and Control
This research area focuses on stability and damping in power systems, the impact of FACTS and HVDC systems on the dynamics of power systems, and how these systems can be used to improve utilization of the existing transmission systems and the security and stability of power systems. Also,
The research performed at the Electric Power Systems Lab considers different types of grids, but the basic behavior for all grids is the same. Actual types of grids include transmission grids, distribution grids, local micro grids, and railway electricity feeding grids. Projects treat improvements of the protection system, dimensioning with respect to uncertain future needs, reliability impact from severe weather conditions, risk analysis from both consumer and owner perspectives and operation planning under uncertainty.
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Electrical Machines and Power Electronics The major research areas at the department are : Electrical Machines and Drives
This area covers both conventional and unconventional electrical machines. Conventional machines include induction machines, synchronous machines and DC machines. The major research topics here are formulated to achieve a better understanding of the sources of losses, noise and vibration with the ultimate goal of reducing them. Advanced simulation tools and new materials are examples of how such goals can be achieved. Unconventional machines include permanent magnet machines, transverse flux machines and cover radial, axial and linear topologies. These machines are suitable in applications where high torque density and/ or high efficiency are important parameters for system performance which can therefore outweigh the extra cost for these machines. Example of such applications are electric hybrid vehicles, wind power generators, integral motors etc. Today, permanent magnet motors are interesting even for industrial drives. Power Electronics and Control
The activities are concentrated to new converter topologies, circuits for new semiconductor components, and control aspects of utility applications, such as FACTS and HVDC. A field of special interest is real-time simulation of power converters in electric power systems. A powerful real-time simulator which is used both in research and education is situated in the laboratory. Electric Traction
The main focus at the department includes both improvements in performance of the existing electrical equipment in rail-borne vehicles and suggestions of replacing hydraulic or pneumatic actuators by their electrical counterparts. The existing equipment includes the step-down transformer, propulsion drive, AC/DC converters and auxiliary power equipment.
♦♦ 2 students received their Ph.D. degree ♦♦ 2 students received their Licentiate degree ♦♦ 5 journal and 8 conference papers were presented ♦♦ 12 students completed their master thesis
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Personnel Professor Chandur Sadarangani (Head) Hans-Peter Nee Stefan Östlund Adjunct Professor Sture Eriksson Lennart Ängquist Electrical Machine Laboratory Jan Timmerman (administrator) Jan-Olov Brännvall (technician) Administration Eva Pettersson (Financial administrator) Peter Lönn (System Administrator) Senior Research Engineer Mats Leksell Researcher Fredrik Carlsson Sylvain Chatelet Staffan Norrga Juliette Soulard Peter Thelin Oskar Wallmark Ph.D. Students Ratna Chitroju, Alija Cosic Christer Danielsson, Paulo Fischer Henrik Grop, Nicklas Johansson Tommy Kjellqvist, Florence Meier Stephan Meier, Tomas Modeér Samer Shisha, Alexander Stening Dmitry Svechkarenko, Hailian Xie
Research Projects Voltage Source Converters with Energy Storage
wastewater treatment. This direct drive should replace the induction motor coupled to a gearbox Capability: The goal of this project is to investigate The major research areas at the department are : the impact of energy storage (ES) on power quality in the commercialized mixer. A PM motor with and system performance and to investigate possible non-overlapping concentrated windings has been ELECTRICAL MACHINES AND DRIVES designed. These special windings are very attractopologies as the interface between energy storage This area covers both conventional and unconventional electrical machines. Convention tive compared to the conventional overlapping and the dc link of a VSC. The investigations are machines, synchronous machines and DC machines. The major research topics here are windings. With the designed motor, the proposed performed both with computer simulations and understanding of the sources of losses, noise and vibration with the ultimate goal of re direct-driven mixer has a higher efficiency than with a real-time simulator in the laboratory (see tools and new materials are examples of how such goals can be achieved. Unconvention the commercialized geared mixer but it has also figure below). A novel flux modulation and deadmagnet machines, transverse flux machines and cover radial, axial and linear topologies. a higher initial cost. The second objective is to beat current control scheme has been proposed applications where high torque density and/or high efficiency are important parameters perform measurements on a prototype motor with for control of voltage source converters (VSC). therefore outweigh the extra cost for these machines. Example of such applications are non-overlapping concentrated windings (figure 2) Utilization of the proposed control strategygenerators, tends integral motors etc. Today, permanent magnet motors are interesting even fo and analyze them. This prototype motor designed to reduce the saturation effect of the transformers and built by Danaher Motion for a low-speed in the system during fault recovery. StudiesPOWER show ELECTRONICS AND CONTROL direct drive, can also operate over a large speed that by means of active power compensation, VSCs The activities are concentrated to new converter topologies, circuits for new semicondu range. Among other, a novel method to measure with energy storage can improve power quality at of utility aspects applications, such as FACTS and HVDC. A field of special interest is r the inductance without the knowledge of the rotor the point of common coupling regarding converters in electric power systems. A powerful real-time simulator which is used both position has been proposed. both the voltage magnitude and the phase angle. in the laboratory. Studies also show that VSCs with energy storage The project is part of the “High Performance can enhance the performance of certain systems ELECTRIC TRACTION Electrical Machines and Drives” program of the during fault recovery. A dual thyristor converter The main focus at the department includes both improvements in performance of the e Center of Excellence in Electrical Power Engitopology is proposed and investigated as theborne inter-vehicles and suggestions of replacing hydraulic or pneumatic actuators by their el neering. face between ES and the dc link of a VSC. equipment With includes the step-down transformer, propulsion drive, AC/DC converters an the proposed interface, the rating and cost of the VSC can be reduced significantly. Highlights • • • •
2 students received their PhD degree 2 students received their Licentiate degree 5 journal and 8 conference papers were presented 12 students completed their master thesis
Permanent-magnet synchronous machines with non-overlapping concentrated windings for
Figure 1: a) Geared drive b) Direct drive
low-speed direct-driven applications: Induction motors are commonly coupled to a gearbox when Figure 1: a) Geared drive b) Direct drive an application requires low speed and high torque. A gearbox is expensive, needs maintenance and decreases the efficiency of the drive. Therefore, it is very advantageous to remove the gearbox, as illustrated in figure 1. The resulting direct drive can be achieved by using a permanent-magnet (PM) synchronous machine running directly at low speed.
The primary objective of the project is to define a suitable drive with a PM motor to a 5 kw, 50 rpm mixer from ITT Water & Wastewater used for
Figure 2: Florence Meier and
Figure 2: Florence Meier and the stator of the prototype motor
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Electromagnetic Engineering The scientific and technical activities of the laboratory include electromagnetic theory and physical and technical fundamentals in electrical engineering. The research aims at developing teory, methods and models for the design and operation of electrical devices and systems for power and telecommunication applications. Most of the work is carried out in interaction with industry or is inspired by their problems. Major sponsors of the research are: National Energy Administration, Elforsk, ABB, SAAB and other industries, EU, VR, NFFP. Undergraduate and Graduate Education
The undergraduate and graduate teaching includes the basic courses in electric circuits and electromagnetic field theory which are given not only for the electrical engineering program but also for the physics, IT and microelectronics programs. Advanced courses are given in wave propagation, antenna technique, electrotechnical modeling and design, high-voltage engineering and power system reliability Research
The governing approach in the research is to study systems and material related electrotechnical phenomena and processes by use of the basic macroscopic electromagnetic laws and material properties. The division is a key contributor to the Joint Research Centre for Photonics between KTH and Zhejiang university. Research applications ranges from novel materials and antenna design to power device modeling and estimation of power system asset values. International Cooperation
International exchange and conference activities are extensive. Examples are: Sailing He was part time professor also at Zheijang university and research director of the joint research center of photonics with KTH. A two days international workshop on insulation diagnostics was held. A tutorial course on Asset Management – Maintenance and Replacement Strategies was given at the IEEE PES General Meeting, June 2007 in Tampa, Florida. A Ph.D. course on maintenance management was given in cooperation with Helsinki University of Technology.
♦♦ 60 full time students (HÅP) ♦♦ 14 master theses were presented ♦♦ 3 Licentiate degrees were given ♦♦ 45 publications in journals and 16 in conference proceedings ♦♦ 3 new Ph.D. students were recruited ♦♦ Sailing He was elected Fellow of Optical Society of America ♦♦ Two major grants were received, from ELEKTRA on nano materials for electrical insulation and from NFFP on array antennas
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Personnel Professor Roland Eriksson (Head) Göran Engdahl Sailing He Lab administrator Gulli Frohmader Associate and assistant professors Lina Bertling Hans Edin Lars Jonsson Gunnar Larsson Martin Norgren Research associates Peter Fuks Patrik Persson Yi Jin Ph.D. students Lars Austrin, Francois Besnard Valentinas Dubicas, Anders Ellgart Cecilia Forssén, Patrik Hillber Xin Hu, Nadja Jäverberg Andrea Lang, Xuan Li Tommie Lindquist, Alireza Motevasselian Julia Nilsson, Mattias Oscarsson Jörgen Ramprecht, David Ribbenfjärd Johan Setreus, Jun Song Hanif Tavakoli, Nathaniel Taylor Mohsen Torabzadeh-Tari Carl Johan Wallnerström Kristian Winter
Research Projects Electromagnetic Theory
The inverse scattering problem for heterogeneous media by means of optimization has been studied together with University of Nagasaki. An improved diffusion model has been introduced being more suitable than the conventional forward model used in image reconstruction in diffuse optical tomography. Together with ETH, Zurich work has been done on the nonlinear Scrödinger equations, Hartree equations and semi-relativistic Hartree equations. Wave propagation in ferromagnetic media has been studied and applications for radar absorbers analysed.
Antenna Theory and Design
The focus is on the development of new analytic and numerical methods of importance for the design of advanced antenna configurations. A compact ultra wide band slot antenna with superior multiple band notched characteristics has been studied and the characteristics verified. An experimental 16x16 phased array antenna with single-polarized taperedslot elements positioned in a triangular grid has been built and analysed. A project on array antennas in metallic structures for air plane applications has been started. where the study of antenna surrounding and antenna properties are a key element. Insulation Diagnostics
Novel Electromagnetic Metamaterials and Photonics
An important part of the research concerns propagation and scattering of waves in new types of complex materials including applications in the design of new optoelectronic devices. A new class of negative refraction index transmission line has been proposed. A polarization intensive dual wavelength demultiplexer based upon sandwiched multimode interference waveguides has been designed. For microwave photonics a tunable and reconfigurable microwave photonic filter has been demonstrated employing tunable Mach-Zehnder interferometer and a wavelength controllable Rahman fiber laser.
Physical modeling of partial discharges at variable frequency of applied voltage is studied as a tool to judge the insulation condition when it contains voids, de-laminations, cracks or over-stressed surfaces. Machine insulation is diagnosed by dielectric spectroscopy and phase resolved partial discharge analysis. High-frequency methods for localization of defect insulation is under study in a project for on-line cable diagnostics. A new project has been started on evaluation of electrical insulating properties of nano-composites for high voltage applications.
Electrotechnical Modelling
Research has progressed in the fields of design tools and experimental methods for magnetostrictively based systems. Electromagnetic modelling of power transformers including the ferromagnetic core are studied with the purpose to develop models for dynamic simulation and calculation. This work also includes FRA methods for detection of changes in electrical properties and geometrical shapes. New electrical components and magnetoelestic energy systems for aircrafts are studied with the intention to achieve lower costs, reduced weights and maintenance and improved reliability and performance.
Reliability Centred Asset Management
The overall objective of the research group is to develop methods for optimal handling of assets in the electric power systems with focus on: Maintenance planning and optimization, Reliability modeling and assessment for complex systems, Lifetime and reliability modeling of electrical components. The applications are extended to distribution and transmission systems, power components, hydro power plants, wind power, HVDC and nuclear power. 23
Fusion Plasma Physics European Fusion Research Program
The research at the Fusion Plasma Physics Laboratory is a part of the European fusion program. The goal of the program is to construct and operate a power-generating system which is being developed as an energy source for future generations. There are two main areas: (1) providing R&D support for the international large experimental fusion reactor ITER during the 10-year construction period and (2) preparation for exploitation of ITER when the operational period starts in 2018. Research areas at the Laboratory
The projects at the Laboratory involve research carried out on the in-house EXTRAP T2R device as well as activity at JET, the large European fusion experiment located in England and in collaborations with other major European fusion laboratories. The main research areas at the Laboratory are: (1) Magneto-hydrodynamics, plasma turbulence and confinement, (2) Plasma wall interaction and development of wall materials and diagnostics. (3) Radio frequency wave interaction with the plasma for heating and current drive and plasma transport modelling. European Master Programme in Fusion
The Laboratory participates in the Erasmus Mundus European Master Programme in Nuclear Fusion Science and Engineering Physics (FUSION-EP). The programme started in 2006. Other participants are Ghent University (Gent), Universidad Carlos III (Madrid), Universidad Complutense de Madrid, Université Henri Poincaré (Nancy), and Universität Stuttgart. Undergraduate Courses
ED1100 Engineering Science ED1110 Vector Analysis ED2200 Energy and Fusion Research ED2210 Electromagnetic waves in Dispersive Media ED2220 Experimental Fusion Plasma Physics ED2230 Chaos and Self-organization
♦♦ Tommy Bergkvist was awarded Ph.D. degree for thesis “Non-linear dynamics of Alfvén eigenmodes excited by fast ions in tokamaks” ♦♦ Marek Rubel was appointed member of the Technical Advisory Panel of Fusion for Energy, F4E (the European Joint Undertaking for ITER). ♦♦ Researchers at the Laboratory published 37 journal articles and 59 papers in international conference proceedings 2007
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Personnel Professors James Drake Torbjörn Hellsten Jan Scheffel Michael Tendler Bo Lehnert (emeritus) Associate Professors Henrik Bergsåker Per Brunsell (head) Marek Rubel Einar Tennfors (emeritus) Researchers Jerzy Brzozowski, Marco Cecconello, Thomas Elevant, Thomas Johnson, Martin Laxåback Post-doc Lorenzo Frassinetti Lab administrators Birgitta Forsberg, Anita Johansson, Ewa Lindgren, Ingeborg Mau, Elisabeth Söderhäll Research Engineers Gunder Hägerström, Gunnar Kindberg Technicians Håkan Ferm, Lars Westerberg, Jesper Freiberg, Juhani Haapasaari Ph D students Tommy Bergqvist, Abdul Hannan, Kerstin Holmström, Josef Höök, Waqas Khan, Ahmed Mirza, Qaisar Mukhtar, Erik Olofsson, Per Sundelin
Research Projects Control of Magneto-hydrodynamic Instabilities.
Control of magneto-hydrodynamic (MHD) instabilities will likely be a requirement for ITER to achieve high beta and tolerable wall erosion. The use of dedicated magnetic field coils is envisaged. The experimental research programme on MHD instability control at the Laboratory is mainly carried out on the EXTRAP T2R device using an active system consisting of 128 magnetic coils (installed in stages 2004-2006). The system enables front-line research on active control of the resistive wall mode type of MHD instability. Very positive initial results have been obtained, demonstrating the feasibility of the active stabilization method.
and re-deposition; (2) assessment of fuel retention in the tokamak and development of fuel removal techniques; (3) broad characterization of PFC from present-day tokamak data; (4) testing of materials (beryllium, carbon-based composites and high-Z metals).
Radiofrequency Wave Heating.
Plasma Wall Interaction & First Wall Materials.
The research is concentrated on issues relevant for a reactor-class device (e.g. ITER) with the central goal to provide the best data for predictions of material behavior in such a machine. The major issues to be tackled in the field of plasmawall interactions are: (1) lifetime of plasma-facing components (PFC), (2) accumulation of hydrogen isotopes in PFC; (3) carbon and metal (beryllium, tungsten) dust formation. This activity comprises: (1) determination of material erosion, migration
The research area of radiofrequency (RF) wave heating of fusion plasmas includes modelling and development of RF heating as a tool to control the plasma. The main emphasis is the development of numerical codes to model RF heating, validated against JET experiments. The Laboratory has carried out experiments on JET to control the plasma by inducing plasma rotation, driving currents and heating. Two unique codes for self-consistent modelling of heating and current drive have been developed: PION and SELFO. The Laboratory has leading roles in the European Topical Group of Heating and Current Drive and the Task Force on Integrated Modelling. This work involves coordinating the development of codes that are to be the standard in Europe for modelling ITER.
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Industrial Information and Control Systems The research at the Department of Industrial Information and Control Systems is targeted at the development of complete and cost-effective IT-based operation support systems for complex industrial processes. With respect to industries, the electric power industry accounts for more than half of the department’s engagements, the telecommunication industry accounts for a fifth. The remaining parts are divided among the pulp and paper, manufacturing, railway and defense industries. With the vision of making successful IT implementations commonplace, the department’s research includes the system management process from conceptual planning to operations. Research Areas
There are four main areas of research. The first area concerns the system management processes that lead to systems with desirable properties. We study the planning, operation, and maintenance processes as well as procurement, development, and modification projects. The second area concerns the system properties. The focus is on understanding what characterizes good systems in terms of their performance, availability and reliability, security, safety, interoperability, modifiability, etc. The third area considers the impact of the systems, i.e. the relation between the systems and their industrial environment in terms of requirements, utility, and costs. The fourth and final area concerns the research tools employed for the previous three areas. Enterprise architectural models for describing the systems and assessment formalisms for evaluating them are developed here. Publication of several new books during 2007. See the Bibliography.
♦♦ Two new assistant professors, Joakim Lilliesköld and Lars Nordström. ♦♦ The hosting of an Enterprise Architecture Symposium which took place for the first time in September. The enormous interest by people both in the academic and industrial worlds shows how Industrial Information and Control Systems has become an EA center in Sweden. ♦♦ A new record of 33 people completing their Master Theses during the year. ♦♦ For the school of Electrical Engineering, the highest number of course credits generated by participating students. ♦♦ The publication of several new books.
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Personnel Professor Torsten Cegrell (Head) Administrator Judith Westerlund Associate Professor Pontus Johnson Assistant Professors Joakim Lilliesköld Lars Nordström Research Associate Mathias Ekstedt Lövehagen Senior Researchers Magnus Gammelgård Lars Sörqvist Erik Johansson Ph.D. Students Gunnar Björkman Moustafa Chenine Arnis Daugulis Hugo Eliasson Ulrik Franke Pia Gustafsson Per Haraldsson Narcisa Jonsson Robert Lagerström Mats B-O Larsson Per Närman Leonel Plazaola Enrique Silva Marcus Silwer Mårten Simonsson Teodor Sommestad Björn Swärdenheim Johan Ullberg
Research Projects Management Processes
Good systems require good engineering. In this research area, the focus is on the systems engineering processes and methods required for the development of information and control systems. We devise methods and models for IT project management, information systems development and procurement, strategic IT planning, and IT service delivery. The main industrial focus in this area is on the electric power industry, but other domains are also addressed. The project IT Governance of Technical Support Systems is part of this research area. System Properties
This research area concerns the qualities, or properties, of information and control systems. In order to build good systems, a clear understanding is needed of what the desirable characteristics of a system are and how to produce them. On a high level, we know that qualities such as performance, information security, modifiability, interoperability, safety, reliability and availability are of importance, but how should systems be designed to ensure such properties? Within this research area, we focus on understanding these quality attributes. In order to do so, assessment methods and modelling languages supporting analysis and development of the various properties are devised.
The following projects are part of this research area: • Component Reliability Data in Information Systems • Functional Fit for Maintenance Management • Modifiability of Technical Support Systems • Requirements on Substation Communication • System Security in Technical Support Systems Integration • Interoperability of Technical Support Systems • Performance and Availability in Wide Area Monitoring and Control Systems Business Impact
In order to ensure the overall quality of the systems, it is important to consider the systems in their context. The interaction between the systems and the environment can be described in terms of business requirements and the provided utility. In this research area, these issues are considered. Methods for business performance and IT utility assessment, IT cost estimations as well as architecture principle specifications are developed in this research. Furthermore, assessment methods and modeling languages for business and IT alignment are constructed. Projects in this area include: Benefits of Mobile Workforce Management Efficiency Measures in Electricity Distribution Automatic Meter Reading for Distribution System Operation and Maintenance Research Tools
The research areas covered by ICS all require tools and theoretical frameworks for modelling and assessment of the information and control systems in their environment. In this research area, the project A Tool for Enterprise Architecture Analysis is conducted.
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Microsystem Technology Small but Useful
The major research field of the Microsystem Technology group (MST) is Microelectromechanical Systems (MEMS), where the fabrication concepts and materials from microelectronics are adapted to the making of small, low-cost, high-performance electromechanical, optoelectromechanical and microfluidic devices. The automotive and medical technology industries are the most mature application areas for MEMS but today there is also an intense activity in the fields of biotechnology and radio frequency engineering. The structures are fabricated in the KTH ELAB laboratory. This laboratory comprises 1300 m2 of cleanroom area for fabrication of microelectronics and special purpose micro- and nanostructures. Applications
At the MST lab, we use the common technology toolbox in a broad spectrum of application areas. Bio-micro-nanofluidics, where fluidic systems are used, often combined with optical detection, to study and analyse biological material such as whole cells, pathogens and nucleic acids. Optical systems, where optical waveguide based sensors, mirrors, and detector arrays are combined with fluidics or electronics. Telecom and RF technology, where MEMS electrical switches and phase-shifters are integrated with RF circuits. 3D-MEMS integration on ICs, where we are developing generic 3D technology platforms for wafer-level integration of MEMS on top of integrated circuits and for wafer-level packaging. Courses
EK1190 Measurement technology EK2260 Measurement systems technology, project course EK2350 Microsystem technology
♦♦ 15 journal and 22 conference papers were published or accepted. ♦♦ Henrik Gradin joined the group as Ph.D. student. ♦♦ Björn Samel and Niclas Roxhed successfully defended their Ph.D. theses. ♦♦ Joachim Oberhammer was appointed Associate Professor in RF MEMS. ♦♦ The European FP7 collaborative research project FNIR was granted. ♦♦ During 2007 the MST group participated in five European research projects (Q2M*, SABIO, PHODYE, EURIMUS-PIMS, FNIR), one Nordic (NORDITE-SARFA*) and one Swedish collaborative project (IVSS-PIMS). (*coordinated by the MST lab.)
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Personnel Professor Göran Stemme (head) Lab Administrator Erika Appel Associate Professors Joachim Oberhammer Wouter van der Wijngaart Assistant Professor Hans Sohlström Research Associates Thomas Frisk Frank Niklaus Niclas Roxhed Björn Samel Research Engineer Kjell Norén Ph.D. Students Mikael Antelius Stefan Braun Carl Fredrik Carlborg Adit Decharat Andreas Fischer Fredrik Forsberg Henrik Gradin Kristinn B. Gylfason Ronnie Jansson Martin Lapisa Gaspard Pardon Farizah Saharil Niklas Sandström Nutapong Somjit Mikael Sterner Guest Researcher Vanni Peretti
Research Projects Rapid Pathogen Analyzer
The aim is to detect pathogens in the breath of an individual or in room air. This may allow quick detection of health threatening conditions. This work is sponsored by SSF (the Swedish Foundation for Strategic Research), Vinnova and VR (the Swedish Research Council) as a cross disciplinary effort with the Karolinska Institute and Linköping University.
Manufacturing with High Quality Active Materials
Q2M is a European research project in FP6, coordinated by the MST group. The idea is to allow efficient wafer-scale integration of high performance sensor and actuator materials, including PZT, SMA and monocrystalline silicon, on prefabricated micromachined substrates. Avoiding Traffic Injuries with IR Vision
More than 12000 pedestrians and cyclists are killed in the EU every year. Many of these accidents could be avoided with technical system that warn and assist the driver. PIMS and FNIR (FP7) are European research projects to detect traffic hazards with next generation low cost infrared night vision systems. Automotive Radar
Part of a MEMS structure for the rapid pathogen analyzer
SARFA is a project in the NORDITE Scandinavian ICT programme, focused on RF MEMS for 77 GHz automotive radar. Coordinated by MST, the project involves NTNU Trondheim, TKK Espoo/ Helsinki and many industrial partners. The work is funded by Vinnova, Tekes, and RCN.
Optical Waveguide Sensors
SABIO and PHODYE are European research projects in FP6, where chips with micro- and nanoscaled optical waveguides are used for sensing purposes. In SABIO slot waveguides are combined with on-chip fluidics for label-free diagnostics and in PHODYE the waveguides are combined with gas sensing materials. Intelligent Fluidic Surfaces
Drag in fluid flows is a limiting factor in many applications: energy conversion, propulsion, lubrication, etc. The vision is to reduce losses by controlling viscous drag and turbulence using MEMS active surfaces. The project is sponsored by VR.
MEMS tuneable metamaterial surfaces for remote sensing applications
Fuel Cell Membranes with Nanopores
Switch Arrays for Telecom Network Reconfiguration
This project exploits phenomena in liquids confined within nanopores. A nanoporus membrane allows control of ion transport with an electric potential. This would be useful for fuel cell applications. The funding comes from VR. MEMS Microwave Correlation Spectroscopy
This is an industrially oriented project to develop large arrays of switches on a single chip for reconfiguration of telecom networks. In this project we are collaborating with Network Automation and Silex Microsystems. Funding is also contributed by Vinnova.
This is a novel method to analyze interactions of polar molecules in aqueous solution using RF waveguides embedded in the biological sample. The funding comes from VR.
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Signal Processing The chair in Signal Processing was founded in 1991. An industrial donation from Ericsson and Telia has served as the financial base of this chair until recently. Education
In collaboration with the Communication Theory Lab, the Signal Processing Lab is responsible for education in the signal processing and communication areas. Fourteen undergraduate courses are given every year, most of them at masters level. We are responsible for a very popular two-year masters program in Wireless Systems. Approximately 30 master theses are completed annually in this area. Research
Our research activities span from fundamental research in signal processing and information theory to applied research in wireless systems, digital communications, navigation, measurement technology and real-time implementation.
Moose early warning system. With an advanced sensor system we increase road safety. This warning system prevents accidents with animals, and humans, by using an infrared night vision system placed on the front panel of the car. The department of Signal processing has experimented with in-house developed real-time moose detection software explained in the article, published in Vägverkstidningen nr 3, april 2007, sid 25.
♦♦ Joakim Jaldén – Received a best student paper award at ICASSP 2007 for the paper “Full Diversity Detection in MIMO Systems with a Fixed-Complexity Sphere Decoder”, which was co-authored by Luis G. Barbero, Björn Ottersten and John S. Thompson. ♦♦ Sathyaveer Prasad and Prasadh Ramachandran - listed as a best paper at AMTA 2007 for the paper “Evaluation of the Telia scattered field measurement method for estimation of in-network performance of mobile terminal antennas”, which was co-authored by Claes Beckman and Andres Alayon Glazunov. ♦♦ Björn Ottersten was nominated EURASIP Fellow. Only four previous fellows have been elected in EURASIP. ♦♦ Mats Bengtsson was promoted to associate professor. ♦♦ Eduard Jorswieck was appointed as research associate.
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Personnel Professor Peter Händel (Head) Björn Ottersten Associate Professor Mats Bengtsson Magnus Jansson Research Associate Eduard Jorswieck Financial Administrator Annika Augustsson Post-Doc Shankar Bhavani Joakim Jaldén Xi Zhang
Researcher Björn Lindmark Per Zetterberg Ph.D. Student Svante Bergman, Emil Björnson Niclas Björsell, Pandu Devarakota Joel Grotz, David Hammarwall Magnus Isaksson, Niklas Jaldén Simon Järmyr, Per Landin Samer Medawar, Marc Mowlér Charles Nader, John-Olof Nilsson Sathyaveer Prasad Prasad Ramachandran, José Scarpati Isaac Skog, Patrick Svedman Karl Werner, Peter von Wrycza David Wisell, Dave Zachariah
Research Projects Multi-antenna Wireless Communication
The next generation wireless systems feature multiple antennas at both the base station and user terminals. This technique enable high data throughput in terms of simultaneous transmission to spatially separated users, but comes with drastically higher requirements on channel information at the transmitter and increased complexity. To improve the feedback load, several robust transmission schemes have been proposed that exploits long-term statistics and efficiently quantized feedback of gain information. The computational load can be improved by decision feedback equalization, which is a non-linear detection technique that combines low complexity and superior performance compared with existing designs. In the development and evaluation of interference limited systems, it is of paramount interest to have realistic channel models. The need for extending classical models with the joint characteristics of the propagation to a receiver from several transmitters, or vice versa, have increased to meet the demand of the future multi-user systems. Measurements have been conducted both indoors and outdoors in an attempt to characterize such joint channel characteristics; in particular, the correlation between different large-scale parameters such as shadow fading and angular spread.
Pattern Classification
Pattern classification techniques derived from statistical principles have been proven powerful in addressing practical problems. The challenge is often to cope with unseen patterns, i.e., patterns which are very different from those examined during the training phase. A method has been proposed for estimating the reliability of a classifier to cope with such situations. Antenna Design
Reconfigurable antennas have been designed and built in order to enhance the wireless link between a base station and a mobile handset. To arrive at a working design, effort has been put into finding trade-offs between different design parameters that in the end decide the performance of the antenna. The proposed antenna has been measured and analyzed in different environments to establish its practical value in the overall system.
Array Signal Processing
This technique is concerned with extracting/transmitting information from/by a group of sensors. The figure illustrates an array of speakers that can be used to steer the sound in different directions, e.g., to create surround sound effects. It is in many cases necessary to use quiet periods, when only noise is received, to estimate the spatiallydependent noise covariance. When stationarity considerations limit the amount of data, joint signal and noise estimation can however improve the performance.
Design of Measurement Techniques
Modern and future radio-communication systems put high requirements on hardware blocks such as the radio frequency power amplifiers, the analog/ digital converters and terminal antennas, which require novel measurement techniques for both design and production. The research within this area is carried out in cooperation with the University of Gävle. Navigation Systems
Navigation and positioning beyond the use of a stand-alone GPS receiver, for vehicle and personal usage, is an active research area. In the navigation case, efforts are spend to fuse asynchronous data streams from a plurality of sensors, including inertial navigation sensors, cameras, and map information.
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Sound and Image Processing The research and education conducted by the Sound and Image Processing (SIP) Lab focuses on the processing of audio and video signals. The work includes fundamental theory as well as applications. Research at SIP is generally performed in collaboration in the context of pan-European projects and/or with industry. Courses
EN2100 Sound Perception EN2200 Pattern Recognition EN2300 Speech Signal Processing EN2400 Image Processing EN2500 Information Theory and Source Coding We also offer Ph.D. level courses in these topics. Personnel ♦♦ Four book chapters, four journal papers, and 14 conference papers were published during 2007. ♦♦ David Zhao received his Ph.D. degree for his thesis “Model Based Speech Enhancement and Coding” ♦♦ Four new Ph.D. students were recruited; Jesper Jerkert, Gustav Henter, Petko Petkov, and Zhanyu Ma. ♦♦ Guest Professor Richard Heusdens from Delft University of Technology, The Netherlands, spent four months at the Lab. ♦♦ Two new Post-Docs joined the group; Alexey Ozerov and Jianghua Zhong. ♦♦ Two guest Ph.D. students visited our Lab; Tiago Falk from Queen’s University, Canada, and Konrad Hofbauer from Graz University, Austria. ♦♦ Six students completed their Master’s thesis.
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Professors Bastiaan Kleijn (head) Arne Leijon Post doc Jianghua Zhong Lab administrators Dora Söderberg Ph D students Anders Ekman Gustav Henter Janusz Klejsa Chris Koniaris Ermin Kozica Minyue Li Zhanyu Ma Elisabet Molin Petko Petkov Jan Plasberg Svante Stadler Guoqiang Zhang
Research Projects While the group is active in a wide range of topics, the overarching theme of all our research is that we use information theory and statistical methods to find solutions to problems in audio and video processing. In a field that is full of ad hoc, engineering type of solutions, SIP aims to bring mathematical order to the chaotic world of digital multimedia.
of signal transformations, from the speaker’s articulation to the neural patterns in the listener’s brain. This will help us improve users’ speech recognition capability. Pictured is a portion of our 3D model of the inner ear, where the implanted electrodes stimulate the auditory nerve.
Research
Robust Audio andisVideo While the group activeCoding in a wide range of topics, the overarching theme of all our research is that
With online video chat growing more methods to find solutions to problems in audio and video we use information theory and ever statistical popular, being to reliably processing. In able a field that issend fullinformation of ad hoc, engineering type of solutions, SIP aims to bring mathematical order to the chaotic world of as digital in real time over an unreliable channel such the multimedia. internet is becoming very important. When data Robust are Audio Video Coding packets lost,and the transmission is interrupted, With online video chat growing We everare more popular, being able to reliably send information in real leading to a poor user experience. worktime over an unreliable channel such as the internet ing on methods to use multiple signal descriptions, is becoming very important. When data packets are lost, buffer the transmission is interrupted, leading to a poor user experience. We are working on adaptive control and packet loss concealmethods to use multiple signal descriptions, adaptive buffer control and packet loss concealment to ment to make robust transmission possible even in make robust transmission possible even in poor channel conditions. poor channel conditions.
Speech Recognition Speech Recognition
Applications of Automatic SpeechSpeech Recognition Applications of Automatic Recognition (ASR) can al (ASR) can already be found in for example, mobile phones, cars, security buildings, etc. However, perform phones, cars, etc. However, performance is not satapplications. We are working on exploiting the limitations of isfactory for many applications. We are working compact feature set forofuse as input on exploiting the limitations human hearingtoin to a recognition system features set is that it doesdo not register the aspects of sou develop a versatile, compact feature set for use in onsystem. a newThese approach to speech recognition that combin Speech Enhancement aworking recognition new features do not Speech Enhancement When speech is of low quality, either because of register the aspects of sound that we do not hear. machine learning and information theory, When speech is of low quality, either because of poor transmission or of being in a noisy to create a novel sp poor transmission or of a noisy We aretoalso working abased new approach toifspeech meaning of speech on high-levelusing feedback, that environment, it can bebeing usefulin to applyenvironsignal processing improve theonquality, especially the ment, useful to hearing. apply signal processing to recognition that combines knowledge from statislistenerit can hasbeimpaired A current project simulates the use of a cochlear implant, an parent and a child. improve the quality, especially the listener and information implantable electronic deviceif that restoreshashearingtical to physics, deaf ormachine nearly learning deaf individuals. In this impaired hearing. A current project simulates thetransformations theory, to create a novel recognitionchain, system simulation, we model the entire chain of signal of the entirespeech communication use a cochlear implant, an electronic device patterns that that learns the meaning speech fromofthe speaker’s articulation to the neural in the listener’s brain.ofThis willusing help feedback, us learn restores hearing tousers’ deaf or nearlyrecognition deaf individuthe interaction of a parent a child.of the how to improve speech capability.like Pictured is a portion of our and 3D model inner the implanted stimulate the auditory nerve. is electrically stimulated by als. Inear, this where simulation, we modelelectrodes the entire chain implanted electrodes. [w. bastia2]
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Space and Plasma Physics Research
Our research deals with plasmas in space as well as in the laboratory. The vast majority of our universe is plasma. The only (but important) exception is cold solid bodies like planets, comets, and asteroids. Thus, plasma physics has universal applications. The research profits from a fruitful combination of laboratory experiments and space experiments as well as theory and numerical simulation. We play an active role in a number of international space missions, building instruments, planning instrument operations, and analysing data. Education
We participate actively in the educational programme. At the MSc level a number of courses are given and MSc thesis projects are offered, often closely related to on-going research activities. At the Ph.D. level we offer thesis projects in space and laboratory plasma physics.
♦♦ Instrument development for Magnetospheric Multi-Scale has started. NASA officially decided in 2007 to go ahead with the MMS project. SNSB funding for this long-term commitment has been secured, and the development work has started for providing 18 electric field probes as part of the SMART instrument suite on MMS. ♦♦ Due to a formal agreement with the Max Planck Institute in Garching, we now have access to data from the microgravity experiments on the International Space Station. A first set of data from ISS has been successfully analyzed and published. ♦♦ Tommy Eriksson defended his Ph.D. Thesis “Multi-point measurements of ULF waves in the terrestrial magnetosphere” in June 2007. Tommy Johansson defended his Ph.D. Thesis “Investigations of auroral electric fields and currents” in November 2007. Thirteen MSc Theses in space physics & engineering were completed 2007. ♦♦ During 2007, a total of 36 refereed papers were published or accepted. 52 presentations, thirteen of which were invited lectures, were given at conferences, workshops, and seminars at foreign research institutes by members of the staff.
Personnel Professors Lars Blomberg (Head) Nils Brenning Göran Marklund Carl-Gunne Fälthammar (Emeritus) Associate Professors Ingvar Axnäs Judy Cumnock Michael Raadu Einar Tennfors Assistant professor Nickolay Ivchenko Researchers Tomas Karlsson Svetlana Ratynskaia Post-Docs Silvia Annibaldi Marie Backrud Ivgren Administrators Birgitta Forsberg Anita Johansson Johanna Warnander Engineers/Technicians Lars Bylander, Ola Carlström Sverker Christenson, Anders Hurula Göran Olsson, Kjäll Olsson Stig Rydman, Jan Wistedt Ph.D. Students Patrik Appelgren, Hanna Dahlgren Tommy Eriksson, Tommy Johansson Sónia Liléo, Cecilia Möller Torbjörn Sundberg
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Research Projects Auroral Physics
Aurora is the only signature of the plasma processes in the ionosphere that is visible to the naked eye. We study auroral processes from satellites, and the auroral fine structure from the ground, using the newly developed ASK instrument. The studies are supplemented by global auroral images from the Polar spacecraft. Magnetospheric Physics
The research focuses on the dynamics of the magnetosphere and the dependence of the magnetosphere on the solar wind and its variability. Our activities deal with high-altitude signatures of auroral acceleration regions, plasma penetration and anomalous transport, plasma convection in the tail, the transpolar potential and its connection to the magnetopause, and ULF waves and pulsations. Currently the main source of new data from is the ESA Cluster mission with four identical satellites orbiting the Earth in formation.
Complex Plasmas
Complex plasmas consist of ions, electrons and small solid particles (dust grains) that are charged by their interaction with the electrons and ions. They are of special interest, since they can form liquid and crystalline states, plasma crystals, and the dynamics of the charged dust grains are directly observable. In Earth based experiments gravity plays a dominant role. Under microgravity, on the Space Station, the grains move freely in the bulk of the plasma and a wealth of new phenomena has been observed.
Applied Plasma Physics
Solar System Plasma Physics
Applied plasma physics is an extremely wide field. Plasma medicine, plasma biology, and plasma environmental physics are other emerging subjects of rapidly growing interest and impact. Measurement techniques developed include photographic methods, spectroscopy, microwave probing, and probe methods for electric and magnetic fields.
The research concerns the plasma environments of solar system bodies other than Earth as well as the Sun and the Solar wind. Research interests include: solar wind interaction with magnetised and non-magnetised solid bodies, planetary magnetospheres, moon-magnetosphere interaction, and solar wind structure. Our current solar system missions are: Rosetta, en route comet 67/P Churyumov-Gerasimenko and BepiColombo where we build an instrument to measure the electric field in the Mercury magnetosphere.
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Doctoral Theses Signal Processing
Automatic Control
Jonas Mårtensson Geometric analysis of stochastic model errors in system identification Electrical Machines and Power Electronics
Paulo Fischer de Toledo Modeling and control of a line-commutated HVDC transmission system interacting with a VSC STATCOM, Sture Eriksson Electrical Machine Development - a study of four different machine types from a Swedish perspective
Fusion Plasma Physics
Tommy Bergkvist Non-linear dynamics of Alfvén eigenmodes excited by fast ions in tokamaks Industrial Information and Control Systems
Magnus Gammelgård Business Value Assessment of IT Investments – An Evaluation Method Applied to the Electrical Power Industry Microsystem Technology
Björn Samel Novel Microfluidic Devices Based on a Thermally Responsive PDMS composite Niclas Roxhed A Fully Integrated Microneedle-based Transdermal Drug Delivery System
Niclas Björsell Modeling Analog to Digital Converters at Radio Frequency David Hammarwall Resource Allocation in Multi-Antenna Communication Systems with Limited Feedback Magnus Isaksson Radio Frequency Power Amplifiers. Behavioral Modeling, Parameter-Reduction, and Digital Predistortion. Patrick Svedman Cross-layer Aspects in OFDMA Systems - Feedback, Scheduling and Beamforming Karl Werner Parameter Estimation for Multi-Sensor Signal Processing: Reduced Rank Regression, Array Processing, and MIMO Communications David Wisell Measurement Techniques for Characterization of Power Amplifiers Sound and Image Processing
David Zhao Model Based Speech Enhancement and Coding
Space and Plasma Physics Tommy Eriksson Multi-point Measurements of Ultra Low Frequency Waves in the Terrestrial Magnetosphere
Signal Processing
Tommy Johansson Investigations of Auroral Electric Fields and Currents
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Licentiate Theses Communication Networks
Fetahi Wuhib Real-time monitoring of global variables in large-scale dynamic Electromagnetic Engineering
David Ribbenfjärd A lumped element model including core losses and winding impedances Mattias Oscarsson Modelling and design approaches of magnetostrictive actuators Lars Austrin On magnetic amplifiers in aircraft applications Electrical Machines and Power Electronics
Dmitry Svechkarenko On Analytical Modeling and Design of a Novel Transverse Flux Generator for Offshore Wind Turbines Tomas Modeer Modeling and Testing of Line Start Permanent Magnet Motors Electric Power Systems
Elin Broström Ice Storm Modelling in Transmission System Reliability Calculations Signal Processing
Niklas Jaldén Analysis of Radio Channel Measurements using Multiple Base Stations Isaac Skog GNSS-aided INS for vehicle positioning and navigation
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Bibliography Automatic Control Journal Papers
Alvise Bonivento, Carlo Fischione, Luca Necchi, Fernando Pianegiani, Alberto Sangiovanni Vincentelli, ”SERAN: A Semi Random Protocol Solution for Clustered Wireless Sensor Networks”, (feb) 2007, Submitted Jonas Mårtensson, Håkan Hjalmarsson, ”Variance error quantification for identified poles and zeros”, Automatica, ( jul) 2007, Provisionally accepted Märta Barenthin, Xavier Bombois, Håkan Hjalmarsson, Gerard Scorletti, ”Identification for Control of Multivariable Systems: Controller Validation and Experiment Design via LMIs”, Automatica, (nov) 2007, Accepted for publication Yi Liu, Elling W. Jacobsen, ”A Feedback Control Approach to Moving Mesh Discretization of PDEs -- Orthogonal Collocation on Moving Finite Elements”, Comp & Chem Eng, (may) 2007, Submitted Björn Nilsson, Petra Håkansson, Mikael Johansson, Sven Nelander, Thoas Fioretos, ”Threshold-free high-power methods for the ontological analysis of genome-wide gene-expression studies.”, Genome Biology, vol. 8, (may) 2007 Björn Nilsson, Pål Håkansson, Mikael Johansson, Sven Nelander, Thoas Fioretos, ”Threshold-free high-power methods for the ontological analysis of genome-wide expression studies”, Genome Biology, (may) 2007, Accepted for publication Jonas Mårtensson, Håkan Hjalmarsson, ”Robustness issues in experiment design for system identification”, IEEE Transactions on Automatic Control, (oct) 2007, Provisionally accepted Jonas Mårtensson, Håkan Hjalmarsson, ”A geometric approach to variance analysis in system identification: Linear and nonlinear systems”, IEEE Transactions on Automatic Control, (oct) 2007, Submitted Håkan Hjalmarsson, Jonas Mårtensson, ”A geometric approach to variance analysis in system identification: Foundations and structural analysis”, IEEE Transactions on Automatic Control, (oct) 2007, Submitted Emmanuel Witrant, Carlos Canudas de Wit, Didier Georges, Mazen Alamir, ”Remote Output Stabilization via Communication Networks with a Distributed Control Law”, IEEE Transactions on Automatic Control, (aug) 2007 Dimos V. Dimarogonas, Kostas J. Kyriakopoulos, ”On the Rendezvous Problem for Multiple Nonholonomic Agents”, IEEE Transactions on Automatic Control, vol. 52, (no. 5,) pp. 916-922, (may) 2007 Anders Blomqvist, Bo Wahlberg, ”On The Relation between Weighted Frequency Domain Maximum Likelihood Power Spectral Estimation and The Prefiltered Covariance Extension Approach”, IEEE Transactions on Signal Processing, vol. 55, (no. 1,) pp. 384-388, ( jan) 2007
Torbjörn E. M. Nordling, Noriko Hiroi, Akira Funahashi, Hiroaki Kitano, ”Deduction of intracellular sub-systems from a topological description of the network”, Molecular BioSystems, vol. 3 pp. 523-529, (aug) 2007 Emmanuel Witrant, Emmanuel Joffrin, Sylvain Brémond, Girardo Giruzzi, Didier Mazon, Oliviero Barana, Philippe Moreau, ”A control-oriented model of the current profile in Tokamak plasma”, Plasma Physics and Controlled Fusion, (may) 2007, To appear Henrik Mosskull, Johann Galic, Bo Wahlberg, ”Stabilization of Induction Motor Drives With Poorly Damped Input Filters”, Transactions on Industrial Electronics, vol. 54 pp. 2724-2734, (aug) 2007 Pablo Soldati, Björn Johansson, Mikael Johansson, ”Distributed cross-layer coordination of congestion control and resource allocation in S-TDMA wireless networks”, Wireless Networks, (aug) 2007, To Appear Alberto Speranzon, Carlo Fischione, Karl Henrik Johansson, ’A Distributed Minimum Variance Estimator for Wireless Sensor Networks’, IEEE Journal on Selected Areas in Communications, Special Issue on Control and Communication, October 2008, To appear BOOKS
Paulo Rogério Pereira, António Grilo, Francisco Rocha, Mário Serafim Nunes, Augusto Casaca, Claude Chaudet, Peter Almström, Mikael Johansson, Endto-end reliability in wireless sensor networks: survey and research challenges, EuroFGI workshop on IP QoS and Traffic Control, EuroFGI 2007 Workshop on IP QoS and Traffic Control, 2007 Emmanuel Witrant, Didier Georges, Carlos Canudas de Wit, Olivier Sename, Stabilisation des systèmes commandés par réseau : une approche prédictive, Systèmes commandés en réseau, Lavoisier, 2007 CONFERENCE PROCEDINGS
Maben Rabi, Luca Stabellini, Peter Almström, Mikael Johansson, ”Analysis of networked estimation under contention-based medium access”, 2007 Lachlan L. Andrew, Krister Jacobsson, Steven H. Low, M. Suchara, Ryan Witt, Anders Gunnar, Mikael Johansson, ”Robust Routing Under BGP Reroutes”, IEEE Global Telecommunications Conference, GLOBECOM, pp. 2719-2723, 2007 Jonas Mårtensson, Håkan Hjalmarsson, ”A Geometric Approach to Variance Analysis in System Identification: Linear Time-Invariant Systems”, 46th IEEE Conference on Decision and Control (CDC), 2007
Elling W. Jacobsen, Gunnar Cedersund, ”Structual Robustness of Biochemical Network Models with Application to the Oscillatory Metabolism of Activated Neutrophils”, IET Systems Biology, (may) 2007, To appear
Håkan Hjalmarsson, Jonas Mårtensson, ”A Geometric Approach to Variance Analysis in System Identification: Theory and Nonlinear Systems”, 46th IEEE Conference on Decision and Control (CDC), 2007
Henrik Sandberg, Alexander Lanzon, Brian D.O. Anderson, ”Model approximation using magnitude and phase criteria: implications for model reduction and system identification”, International Journal of Robust and Nonlinear Control, vol. 17 pp. 435-461, (mar) 2007
Håkan Hjalmarsson, Jonas Mårtensson, Brett Ninness, ”Optimal Input Design for Identification of Non-linear Systems: Learning From the Linear Case”, American Control Conference (ACC, 2007
Mikael Huss Di Wang Camilla Trané M. Wikström, J Hellgren Kotaleski, ”An experimentally constrained computational model of NMDA oscillations in lamprey CPG neurons”, Journal of Computational Neuroscience, (may) 2007
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Yi Liu, Elling W. Jacobsen, ”Grey-box Modelling of Distributed Parameter Processes -- with Application to Identification of a Chromatography Process”, Journal of Process Control, (may) 2007, Submitted
Niels Möller, Chadi Barakat, Konstantin Avrachenkov, Eitan Altman, ”Interprotocol fairness between TCP New Reno and TCP Westwood+”, EuroNGI, 2007 Lázló Gerencsér, Jonas Mårtensson, Håkan Hjalmarsson, ”Adaptive input design for ARX systems”, European Control Conference (ECC), Kos, Greece, 2007
Bibliography Benigno Zurita Ares, Pan Gun Park, Carlo Fischione, Alberto Speranzon, Karl Henrik Johansson, ”On Power Control for Wireless Sensor Networks: System Model, Middleware Components and Experimental Evaluation”, European Control Conference, (ECC) Kos, Greece, 2007 M Elmusrati, L Eriksson, K Gribanova, M Pohjola, R Jäntti, H Koivo, Mikael Johansson, J Zander, ”Wireless automation: opportunities and challenges”, Finnish Automation Days, 2007 Oscar Flärdh, Carlo Fischione, Karl H. Johansson, Mikael Johansson, ”Analysis of a Simple Feedback Scheme for Error Correction over a Lossy Network”, IEEE ICNSC, 2007 Cristian Rojas, Märta Barenthin, James Welsh, Håkan Hjalmarsson, ”The Cost of Complexity in Identification of FIR Systems”, IFAC, 2007 Xavier Bombois, Märta Barenthin, Paul Van den Hof, ”Finite-time experiment design with multisines”, IFAC World Congress 08, 2008, To appear Benigno Zurita Ares, Carlo Fischione, Karl Henrik Johansson, ”Energy Consumption of Minimum Energy Coding in CDMA Wireless Sensor Networks”, In Proc. of 4th European Conference on Sensor Networks (EWSN 2007), 2007 Didier Georges, Gildas Besançon, Zhora Benayache, Emmanuel Witrant, ”A Nonlinear State Feedback Design for Nonlinear Systems with Input Delay”, Proc. of the European Control Conference, 2007 Emmanuel Witrant, Pan Gun Park, Mikael Johansson, Carlo Fischione, Karl Henrik Johansson, ”Control over wireless multi-hop networks”, Proc. of the IEEE Conf. on Control Applications, 2007 Ao Tang, Krister Jacobsson, Lachlan Andrew, Steven H Low, ”An Accurate Link Model and Its Aplication to Stability Analysis of FAST TCP”, Proc. of the IEEE INFOCOM 2007 Dimos V. Dimarogonas, Kostas J. Kyriakopoulos, ”Connectivity Preserving State Agreement for Multiple Unicycles”, Proceedings 2007 American Control Conference, pp. 1179-1184, 2007 Lasse M. Eriksson, Mikael Johansson, ”Simple PID tuning rules for varying time-delay systems”, Proceedings IEEE Conference on Decision and Control, pp. 1801-1807, 2007 Alberto Bemporad, Stefano Di Cairano, Erik Henriksson, Karl Henrik Johansson, ”Hybrid Model Predictive Control Based on Wireless Sensor Feedback”, Proceedings IEEE Conference on Decision and Control, 2007 Gerard Scorletti, Xavier Bombois, Märta Barenthin, Vincent Fromion, ”Improved efficient analysis for systems with uncertain parameters”, Proceedings IEEE Conference on Decision and Control, 2007 Björn Johansson, Maben Rabi, Mikael Johansson, ”A Simple Peer-to-Peer Algorithm for Distributed Optimization in Sensor Networks”, Proceedings IEEE Conference on Decision and Control, 2007
Dimos V. Dimarogonas, Kostas J. Kyriakopoulos, ”An inverse agreement control strategy with application to swarm dispersion”, Proceedings IEEE Conference on Decision and Control, 2007 Dimos V. Dimarogonas, Kostas J. Kyriakopoulos, ”Connectivity Preserving Distributed Swarm Aggregation for Multiple Kinematic Agents”, Proceedings IEEE Conference on Decision and Control, 2007 Alberto Speranzon, Carlo Fischione, Karl Henrik Johansson, ”A Distributed Estimation Algorithm for Tracking over Wireless Sensor Networks”, Proceedings IEEE International Conference on Communications, 2007, To Appear Carlo Fischione, Matteo Butussi, ”Power and Rate Control Outage Based in CDMA Wireless Networks under MAI and Heterogeneous Traffic Sources”, Proceedings IEEE International Conference on Communications, 2007 Pablo Soldati, Mikael Johansson, ”Network-wide resource optimization of wireless OFDMA mesh networks with multiple radios”, Proceedings IEEE International Conference on Communications, Glasgow UK, 2007 Claudia Rinaldi, Carlo Fischione, Karl Henrik Johansson, Fortunato Santucci, ”Hybrid Model of Least Squares Handover Algorithms in Wireless Networks”, Proceedings IEEE Vehicular Technology Conference, Spring, 2007 Niels Möller, Åke Arvidsson, Justus Petersson, Carlo Fischione, Robert Skog, Patrik Karlsson, Karl H. Johansson, ”Supporting end-to-end applications over HSDPA by cross-layer signalling”, Proceedings IEEE Wireless Communications and Networking Conference, 2007 Anna Pernestål, Mattias Nyberg, ”Diagnosing known and Unknown Faults from Incomplete Data”, Proceedings of Euopean Control Conference, 2007 Torbjörn E. M. Nordling, Elling W. Jacobsen, ”Experiment Design for Proper Excitation of Gene Regulatory Networks”, Proceedings of Foundations of Systems Biology in Engineering (FOSBE), 2nd Conference, 2007 S Chen, A Dunkels, F Österlind, T Voigt, Mikael Johansson, ”Time synchronization for predictable and secure data collection in wireless sensor networks”, Proceedings of MedHocNet, 2007 Henrik Sandberg, Jean-Charles Delvenne, John C. Doyle, ”The Statistical Mechanics of Fluctuation-Dissipation and Measurement Back Action”, Proceedings of the American Control Conference, 2007 Henrik Sandberg, Richard M. Murray, ”Frequency-Weighted Model Reduction with Applications to Structured Models”, Proceedings of the American Control Conference, 2007 Lasse M. Eriksson, Mikael Johansson, ”PID Controller Tuning Rules for Varying Time-Delay Systems”, Proceedings of the American Control Conference, 2007 Jean-Charles Delvenne, Henrik Sandberg, John C. Doyle, ”Thermodynamics of Linear Systems”, Proceedings of the European Control Conference, 2007
Alberto Speranzon, Carlo Fischione, Björn Johansson, Karl Henrik Johansson, ”Adaptive Distributed Estimation over Wireless Sensor Networks with Packet Losses”, Proceedings IEEE Conference on Decision and Control, 2007
José Scarpati, Adam Wikström, Ola Jönsson, Ragnar Glav, Peter Händel, Håkan Hjalmarsson, ”Prediction of engine noise using parametrized compustion pressure curves”, SAE 2007 Noise and Vibration Conference, 2007
Henrik Sandberg, Jean-Charles Delvenne, John C. Doyle, ”Linear-QuadraticGaussian Heat Engines”, Proceedings IEEE Conference on Decision and Control, 2007
Magnus Lindhé, Karl Henrik Johansson, ’Communication-Aware Trajectory Tracking’, ICRA 2008, Submitted
Dimos V. Dimarogonas, Kostas J. Kyriakopoulos, ”Further results on formation infeasibility and velocity alignment”, Proceedings IEEE Conference on Decision and Control, 2007
Torbjörn E. M. Nordling, Noriko Hiroi, Akira Funahashi, ’Dynamic modes in biological systems: Why should a biologist care?’, The 8th International Conference on Systems Biology (ICSB-2007), Long Beach (U.S.A.), 2007
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Bibliography Torbjörn E. M. Nordling, Noriko Hiroi, Akira Funahashi, Hiroaki Kitano, ’Detection of functional modules in graphs depend on a linearization of the biochemical network’, The 15th Annual International Conference on Intelligent Systems for Molecular Biology (ISMB) & 6th European Conference on Computational Biology (ECCB), Vienna (Austria), 2007 Camilla Trané, Elling W. Jacobsen, ’On Robustness as the Rational Behind Multiple Feedback Loops in the Circadian Clock’, Proceedings of Foundations of Systems Biology in Engineering (FOSBE), 2007 Magnus Lindhé, Karl Henrik Johansson, Antonio Bicchi, ’An experimental study of exploiting multipath fading for robot communications’, Submitted to RSS 2007 Carlo Fischione, Matteo Butussi, ’Power and Rate Control Outage Based in CDMA Wireless Networks, 2007
Communication Theory Journal Papers
J. Giese and M. Skoglund, “Multiple-antenna constellations for unknown frequency-selective channels,” IEEE Transactions on Information Theory, vol. 53, no. 4, pp. 1584-1594, April 2007 T. T. Kim and M. Skoglund, “On the expected rate of slowly fading channels with quantized side information,” IEEE Transactions on Communications, vol. 55, no. 4, pp. 820-829, April 2007 J. Giese and M. Skoglund, “Space-time constellation design for partial CSI at the receiver,” IEEE Transactions on Information Theory, vol. 53, no. 8, pp. 2715-2731, August 2007 T. T. Kim and M. Skoglund, “Diversity-multiplexing tradeoff in MIMO channels with partial CSIT,” IEEE Transactions on Information Theory, vol. 53, no. 8, pp. 2743-2759, August 2007
T. T. Kim, M. Skoglund and G. Caire, “Quantifying the loss of compress-forward relaying without Wyner-Ziv coding,” IEEE Transactions on Information Theory. Submitted October 2007 Michael Souryal, Erik G Larsson, Bojan Peric and Branimir Vojcic, “Softdecision metrics for coded orthogonal signaling in symmetric alpha-stable noise,” IEEE Transactions on Signal Processing. To appear Yngve Selen and Erik G Larsson, “Empirical Bayes Linear Regression with Unknown Model Order,” Digital Signal Processing. To appear Erik G Larsson, and Yngve Selen, “Linear regression with a sparse parameter vector,” IEEE Transactions on Signal Processing. To appear Erik G Larsson, “Model-averaged interference rejection combining,” IEEE Transactions on Si gnal Processing, vol. 55, no.2, pp. 271-274, February 2007 Ragnar Thobaben and Joerg Kliewer, “An Efficient Variable-Length Code Construction for Iterative Source-Channel Decoding,” IEEE Transactions on Communications. To appear CONFERENCE PAPERS
M. Skoglund and E. G. Larsson, “Optimal modulation for known interference,” in Proc. IEEE ICASSP 2007, April 2007 J. Karlsson, N. Wernersson, and M. Skoglund, “Distributed scalar quantizers for noisy channels,” in Proc. IEEE ICASSP 2007, April 2007 T. T. Kim, M. Bengtsson, and M. Skoglund, “Quantized feedback design for MIMO broadcast channels,” in Proc. IEEE ICASSP 2007, April 2007 N. Wernersson, J. Karlsson and M. Skoglund, “Distributed scalar quantizers for Gaussian channels,” in Proc. IEEE ISIT, June 2007
M. Skoglund and E. G. Larsson, “Optimal modulation for known interference,” IEEE Transactions on Communications. To appear
L. Bao, M. Skoglund and K.-H. Johansson, “On optimal system design for feedback control over noisy channels,” in Proc. IEEE ISIT, June 2007
T. T. Kim, M. Bengtsson, E. G. Larsson and M. Skoglund, “Combining longterm and low rate short-term channel state information over correlated MIMO channels,” IEEE Transactions on Wireless Communications. To appear
T. T. Kim, M. Skoglund and G. Caire, “Distortion exponents over fading MIMO channels with quantized feedback,” in Proc. IEEE ISIT, June 2007
E. G. Larsson and M. Skoglund, “Cognitive radio in a frequency planned environment: Some basic limits,” IEEE Transactions on Wireless Communications. To appear H. Lundin, P. Händel and M. Skoglund, “Bound on the performance of analog-to-digital converter look-up table post-correction,” Journal of the International Measurement Confederation (Elsevier). To appear N. Wernersson, J. Karlsson and M. Skoglund, “Distributed quantizers over noisy channels,” IEEE Transactions on Communications. To appear T. T. Kim, M. Skoglund and G. Caire, “On cooperative source transmission with partial rate and power control,” IEEE Journal of Selected Areas in Communications. To appear T. T. Kim, G. Caire and M. Skoglund, “Decode-and-forward relay channels with quantized channel state feedback: An outage exponent analysis,” IEEE Transactions on Information Theory. Submitted May 2007. Revised January 2008 L. Bao, M. Skoglund and K. H. Johansson, “Joint encoder-controller design for feedback control over noisy channels,” IEEE Transactions on Automatic Control. Submitted August 2007. In revision
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S. Yao and M. Skoglund, “Hybrid digital-analog relaying for cooperative transmission over slow fading channels,” IEEE Transactions on Information Theory. Submitted November 2007. In revision
L. Bao, M. Skoglund and K.-H. Johansson, “A scheme for joint quantization, error protection and feedback control over noisy channels,” in Proc. IEEE ACC (invited paper), 2007 T. T. Kim, G. Caire and M. Skoglund, “On the outage exponent of fading relay channels with partial channel state information,” in Proc. IEEE ITW, September 2007 E. G. Larsson and M. Skoglund, “Cognitive radio in a frequency planned environment: Can it work?,” in Proc. IEEE Globecom, November 2007 N. Wernersson, M. Skoglund and T. Ramstad, “Analog source-channel codes based on orthogonal polynomials,” in Proc. 41st Asilomar Conference on Signals, Systems and Computers, November 2007 S. Yao and M. Skoglund, “Dimension expansion relaying for slow fading channels based on hybrid digital-analog source-channel coding,” in Proc. 41st Asilomar Conference on Signals, Systems and Computers, November 2007 T. Andersson and M. Skoglund, “Multiple description image coding based on multi-stage vector quantization,” in Proc. 41st Asilomar Conference on Signals, Systems and Computers, November 2007
Bibliography Majid Nasiri Khormuji and Erik Larsson, “A Spectrally Efficient Transmission Scheme for Half-Duplex Decode-and-Forward Relaying,” in Proc. IEEE Global Telecommunications Conference, 2007
Constantin Adam, Rolf Stadler, “Service Middleware for Self-Managing Large-Scale Systems”, IEEE Transactions on Network and Service Management (TNSM), vol. 4, (no. 3,), (dec) 2007
Majid Nasiri Khormuji and Erik G. Larsson, “Analytical Results on Block Length Optimization for Decode-and-Forward Relaying with CSI Feedback,” in Proc. IEEE Workshop on Signal Processing Advances for Wireless Communications, 2007
Jing Fu, Olof Hagsand, Gunnar Karlsson, “Improving and Analyzing LC-Trie Performance for IP-Address Lookup”, Journal of Networks, vol. 2 pp. 18-27, ( jun) 2007
Majid Nasiri Khormuji and Erik G. Larsson, “Receiver Design for Wireless Relay Channels with Regenerative Relays,” in Proc. IEEE International Conference on Communications, 2007
Alberto Gonzalez Prieto, Rolf Stadler (2007), ‘A-GAP: An Adaptive Protocol for Continuous Network Monitoring with Accuracy Objectives’, IEEE Transactions on Network and Service Management (IEEE TNSM), Vol. 4, No. 1, June 2007
Majid Nasiri Khormuji and Erik G. Larsson, “Improving Collaborative Transmit Diversity by Using Constellation Rearrangement,” in Proc. IEEE Wireless Communications and Networking Conference, 2007
Fetahi Wuhib, Mads Dam, Rolf Stadler, “Decentralized Detection of Global Threshold Crossings Using Aggregat1ion Trees”, Computer Networks (Elsevier), vol 52, no. 9, pp 1745-1761, 2008
Erik G Larsson and Joakim Jalden, “Soft MIMO Detection at Fixed Complexity,” in Proc. IEEE Global Telecommunications Conference, 2007
A. Pras, J. Schönwälder, M. Burgess, O. Festor, G. Martínez Pérez, R. Stadler, B. Stiller: “Key Research Challenges in Network Management,” IEEE Communications Magazine, vol.45, no. 10, October 2007
Eduard Jorswieck and Erik G Larsson, “Multiuser Gaussianity and Constellation Randomization for the MIMO Multiple Access Channel: A unified view,” in Proc. IEEE SPAWC, 2007
CONFERENCE PROCEDINGS
Marc Mowler, Erik Larsson, Björn Lindmark and Björn Ottersten, “Methods and bounds for antenna array coupling matrix estimation,” in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007
Constantin Adam, Rolf Stadler, Chunqiang Tang, Malgorzata Steinder, Michael Spreitzer (2007), ‘A Service Middleware that Scales in System Size and Applications’, 10th IFIP/IEEE International Symposium on Integrated Management (IM 2007), Munich, Germany, May 21-25, 2007
Yngve Selen and Erik Larsson, “Empirical Bayes linear regression with unknown model order,” in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007
M. Burgess, M. Disney, R. Stadler: “Using Patterns in Cfengine for Robustly Scaling Network Administration,” 21st Large Installation System Administration Conference (LISA ‘07), Dallas, TX, November 11–16, 2007
Pål Anders Floor, Tor A. Ramstad and Niklas Wernersson, “Power Constrained Channel Optimized Vector Quantizers used for Bandwidth Expansion,” in Proc. IEEE International Symposium on Wireless Communication Systems, 2007
A. Gonzalez Prieto and R. Stadler: “Monitoring Flow Aggregates with Controllable Accuracy,” 10th IFIP/IEEE International Conference on Management of Multimedia and Mobile Networks and Services (MMNS 2007), San José, California, USA, Oct 31 - Nov 2, 2007
Ragnar Thobaben and Erik G. Larsson, “Sensor-Network-Aided Cognitive Radio: On the Optimal Receiver for Estimate-and-Forward Protocols applied to the Relay Channel,” in Proc. Asilomar Conference on Signals, Systems & Computers, 2007, Invited paper
A. Gonzalez Prieto, R. Stadler, P. Kersch, R. Szabo, G. Nunzi, M. Brunner and S. Schuetz, “Distributed Network Management for Ambient Networks” , 16th IST Mobile and Wireless Communication Summit, Budapest, Hungary, July 1-5, 2007
Ragnar Thobaben, “EXIT functions for randomly punctured systematic codes,” in Proc. IEEE Information Theory Workshop, 2007
J. Baliosian, R. Stadler: “Decentralized Configuration of Neighboring Cells for Radio Access Networks,” 1st IEEE Workshop on Autonomic Wireless Access 2007 (IWAS07), in conjunction with IEEE WoWMoM 2007, Helsinki, Finland, June 18, 2007
Ragnar Thobaben, “A New Transmitter Concept for Iteratively-Decoded Source-Channel Coding Schemes,” in Proc. IEEE Workshop on Signal Processing Advances in Wireless Communications, 2007
Communication Networks Journal papers
Ignacio Más, Gunnar Karlsson, “Probe-Based Admission Control for a Differentiated-Services Internet”, Computer Networks (Elsevier), ( jun) 2007 Viktoria Fodor, György Dan, “Resilience in Live Peer-to-peer Streaming”, IEEE Communications Magazine, vol. 45, (no. 6,), ( jun) 2007 Gunnar Karlsson, Ignacio Más, “Quality of Service and the End-to-End Argument”, IEEE Network, vol. 21 pp. 16 - 21, (nov) 2007 Gunnar Karlsson, Vincent Lenders, Martin May, “Delay-tolerant broadcasting”, IEEE Transactions on Broadcasting, vol. 53, (no. 2,) pp. 369 - 381, (mar) 2007
F. Wuhib, M. Dam, R. Stadler, A. Clemm: “Robust Monitoring of Network-wide Aggregates through Gossiping,” 10th IFIP/IEEE International Symposium on Integrated Management (IM 2007), Munich, Germany, May 21-25, 2007 György Dán, Viktória Fodor, “An analytical study of Low Delay Multi-treebased Overlay Multicast”, in Proc. of ACM Peer-to-peer Streaming and IPTV Workshop, pp. 352-357, 2007 Alberto Gonzalez Prieto, Rolf Stadler, “Real-time Network Monitoring Supporting Percentile Error Objectives”, 14th HP Software University Association Workshop, July 2007, Munich, Germany, 2007 Martin May, Vincent Lenders, Gunnar Karlsson, Clemens Wacha, “Wireless Opportunistic Podcasting: Implementation and Design Tradeoffs”, ACM MobiCom workshop on Challenged Networks (CHANTS 2007), 2007
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Bibliography Vincent Lenders, Gunnar Karlsson, Martin May, “Wireless Ad Hoc Podcasting”, Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON), 2007
Magnus Olsson, Lennart Söder, Modeling real-time balancing power market prices using combined SARIMA and Markov processes, IEEE Transactions on Power Systems, (oct) 2007
Kristján V. Jónsson, Ólafur Ragnar Helgason, Gunnar Karlsson, “A Gateway for Wireless Broadcasting”, CoNEXT student workshop, 2007
Daniel Salomonsson, Ambra Sannino, Load Modelling for Steady-Sate and Transient Analysis of Low-Voltage DC Systems, IET Electric Power Applications, vol. 1 pp. 690-696, (sep) 2007
Jing Fu, Olof Hagsand, Gunnar Karlsson, “Queueing Behavior and Packet Delays in Network Processor Systems”, IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS), 2007 György Dán, Viktória Fodor, Ilias Chatzidrossos, “On the Performance of Multiple-tree-based Peer-to-peer Live Streaming”, Proc. of IEEE Infocom, 2007 György Dán, Viktória Fodor, Ilias Chatzidrossos, “Streaming Performance in Multiple-tree-based Overlays”, Proc. of IFIP Networking 2007 Alberto Gonzalez Prieto, Rolf Stadler (2007), ‘Implementation and Evaluation of A-GAP:’, Submitted to the ACM SIGCOMM workshop on Internet Network Management (INM 07), Kyoto, Japan, August 31, 2007 Alberto Gonzalez Prieto, Rolf Stadler, “Monitoring Flow Aggregates with Controllable Accuracy”, Proceedings 10th IFIP/IEEE International Conference on Management of Multimedia and Mobile Networks and Services (MMNS 2007), 2007 Vladimir Vukadinovic, Gunnar Karlsson, “Optimal Resource Sharing for Integration of Unicast and Multicast Data on TDM Radio Channels”, Proceedings Int. Symp. Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), 2007 Gunnar Karlsson Viktoria Fodor Alonso Zuniga, “ Connectivity patterns in wireless sensor networks”, Proceedings Swedish Workshop on Wireless Adhoc Networks, 2007 Fetahi Wuhib, Mads Dam, Rolf Stadler, Alexander Clemm, “Robust Monitoring of Network-wide Aggregates through Gossiping”, The Tenth IFIP/IEEE International Symposium on Integrated Network Management (IM 2007), 2007 MASTER ’S THESES
Ang Ma, Relation between signaling and payload depending on the network architecture in mobile networks. Erik Häggbrink, Implementation and Evaluation of a Self-Managing Cluster. Middleware that Scales in System Size and Number of Applications. Magnus Bodin, Clavister Security på VMware Workstation. Sean Ma, Design and implementation of a distributed system for active network measurements. Xiaozhi Liu, Policy Refinement in Pricing Scenarios.
Electric Power Systems JOURNAL PAPERS
Hector Latorre , Mehrdad Ghandhari , Lennart Söder, Active and Reactive Power Control of a VSC-HVdc, Electric Power Systems Research, April 2008 Lennart Söder, Lutz Hofmann, Antje Orths, Hannele Holttinin, Yih-huei Wan, Aidan Tuohy, Experience From Wind Integration in Some High Penetration Areas, IEEE Transactions on energy conversion, vol. 22, (no. 1,), (mar) 2007 Daniel Salomonsson, Ambra Sannino, Low-Voltage DC Distribution Systems with Sensitive Electronic Loads, IEEE transactions on power delivery, vol. 22 pp. 1620-1627, ( jul) 2007
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Alexander Boyko, Julija Matevosyan, Russian Wind of Change, IET Power Engineer, vol. 21 pp. 44-47, (apr) 2007 Julija Matevosyan, Lennart Söder, Short-term hydropower planning coordinated with wind power in areas with congestion problems, Wiley Wind Energy, vol. 10 pp. 195-208, (may) 2007 Elin Lindgren, Lennart Söder, Minimizing Regulation Costs in Multi-area Systems with Uncertain Wind Power Forecasts, Wind Energy - Wiley Interscience, (no. 11,) pp. 97-108, (nov) 2007 BOOKS
Mehrdad Ghandhari, The impact of FACTS and HVDC Systems on Transient Stability and Power Oscillation Damping, Electric Power Systems, KTH, 2007, Compendium Lennart Söder, Mikael Amelin, Efficient Operation and Planning of Power Systems, Electric Power Systems, KTH, 2007, Course compendium Lennart Söder, Mikael Amelin, ’Effektiv drift och planering av kraftsystem’, Electric Power Systems, KTH, 2007, Course compendium Lennart Söder, Analysis of Electricity Markets, Electric Power Systems, KTH, 2007, Course compendium CONFERENCE PROCEEDINGS
Robert Eriksson, Valerijs Knazkins, ”On the Coordinated Control of Multiple HVDC Links: Modal Analysis Approach”, GMSARN International Conference 2007 Karin Alvehag, Lennart Söder, An Activity-based Interruption Cost Model for Households to be Used in Cost-Benefit Analysis, Presented at the PowerTech 2007 conference in Lausanne July 2007 Elin Broström, Lennart Söder, Ice Storm Impact on Power System Reliability, 12 th International Workshop on Atmospheric Icing on Structures (IWAIS 2007), Yokohama, Japan, 2007 Lars Abrahamsson, Lennart Söder, Fast Calculation of the Dimensioning Factors of the Railway Power Supply System, Computational Methods and Experimental Measurements, pp. 85-96, 2007 Daniel Salomonsson, Ambra Sannino, Comparative Design and Analysis of dc-Link-Voltage Controllers for Grid-Connected Voltage-Source Converter, Conf. Rec. IAS Annual Meeting, 2007 Daniel Salomonsson, Lennart Söder, Ambra Sannino, An Adaptive Control System for a DC Microgrid for Data centers, Conf. Rec. IAS Annual Meeting, 2007 Magnus Perninge, Mikael Amelin, Valerijs Knazkins, Monte Carlo Analysis of the Trade-Off between Trading and Security in a Two-Area System, GMSARN International Conference 2007 Al-Mas Sendegeya, Mikael Amelin, Altruistic versus Profit Maximising System Operators of Rural Power Systems, IEE Proceedings-I, 2007 Hector Latorre, Mehrdad Ghandhari, Lennart Söder, Multichoice Control Strategy for VSC-HVdc, iREP Symposium 2007
Bibliography Katherine Elkington, Valerijs Knazkins, Mehrdad Ghandhari, Modal Analysis of Power Systems with Doubly Fed Induction Generators, iREP Symposium: Bulk Power Systems and Dynamics 2007, 19–24 August 2007, Charleston, South Carolina, USA, 2007 Lars Abrahamsson, Lennart Söder, FAST CALCULATION OF SOME IMPORTANT DIMENSIONING FACTORS OF THE RAILWAY POWER SUPPLY SYSTEM, MET’2007 (Eighth International Conference Modern Electric Traction in Integrated XXI Century Europe), 2007 Hector Latorre, Mehrdad Ghandhari, Lennart Söder, Application of Control Lyapunov Functions to Voltage Source Converters-based High Voltage Direct Current for Improving Transient Stability, Power Tech 2007 Katherine Elkington, Valerijs Knazkins, Mehrdad Ghandhari, On the rotor angle stability of power systems with Doubly Fed Induction Generators, Power Tech 2007, 1–5 July 2007, Lausanne, Switzerland, 2007 Elin Broström, Jesper Ahlberg, Lennart Söder, Modelling of Ice Storms and their impact on a part of the Swedish Transmission Network, PowerTech2007, Lausanne, Switzerland, 2007 Robert Eriksson, Valerijs Knazkins, Lennart Söder, On the assessment of the impact of a conventional HVDC on a test power system, iREP Symposium: Bulk Power Systems and Dynamics 2007, 19–24 August 2007, Charleston, South Carolina, USA, 2007 Julija Matevosyan, Wind Power in Areas with Limited Transmission Capacity, Proceedings IEEE PES General Meeting, 2007 Karin Alvehag, Lennart Söder, A Stochastic Approach for Modeling Residential Interruption Costs, PSCC2008, Glasgow, Scottland, 2007, Submitted Elin Broström, Karin Alvehag, Lennart Söder, Calculation of Residential Interruption Costs caused by Adverse Weather using Monte Carlo Methods, PSCC2008, Glasgow, Scottland, 2007, Submitted POSTGRADUATE THESES
Elin Broström, Ice Storm Modelling in Transmission System Reliability Calculations, Licentiate Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm MASTER THESES
Sylvia Persic, Frekvensreglering i det nordiska kraftsystemet, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Aurélie Dufour, Capacity allocation using the flow-based method, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Erik Hellstrand, Wide Area System Protection (WASP), Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Electrical Machines and Power Electronics JOURNAL PAPERS
Ping Zheng, R. Liu, Peter Thelin, Erik Nordlund, Chandur Sadarangani, ”Research on the Cooling System of a 4QT Prototype Machine Used for HEV”, IEEE transactions on energy conversion, ( jan) 2007 Oskar Wallmark, Lennart Harnefors, Ola Carlson, ”Control algorithms for a fault-tolerant PMSM drive”, IEEE Transactions on Industrial Electronics, vol. 54, (no. 4,) pp. 1973-1980, (aug) 2007 Ping Zheng, R. Liu, Peter Thelin, Erik Nordlund, Chandur Sadarangani, ”Research on the Parameters and Performances of a 4QT Prototype Machine Used for HEV”, IEEE Transactions on Magnetics, vol. 43 pp. 443-446, ( jan) 2007 Staffan Norrga, ”Experimental Study of a Soft-Switched Isolated Bidirectional AC–DC Converter Without Auxiliary Circuit”, IEEE transactions on power electronics, vol. 21 pp. 1580-1587, ( jan) 2007 Mats Jonasson, Oskar Wallmark, ”Stability of an electric vehicle with permanent-magnet in-wheel motors during electrical faults”, World Electric Vehicle Association (WEVA) Journal, vol. 1 pp. 100-107, ( jun) 2007 BOOKS
Fredrik Carlsson, Mats Leksell, Hans-Peter Nee, Erik Nordlund, Jonas Persson, Björn Ållebrand, Exempelsamling i Eleffektsystem EJ1200, 2007 CONFERENCE PROCEDINGS
Hailian Xie, Lennart Ängquist, Hans Peter Nee, ”Impact of Energy Storage on System Performance under Fault Conditions”, CIGRE International Symposium on Transient Phenomena in Large Electric Power Systems, 2007 Stephan Meier, Staffan Norrga, Hans-Peter Nee, ”Modulation Strategies for a Mutually Commutated Converter System in Wind Farms”, Proceedings EPE 2007
Mikael Sjöstedt, Ny princip för spänningsreglering i Fortum Distributions mellanspänningsnät i Stockholm, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
W. Arshad & al., Juliette Soulard, Bengt Eriksson, Bo Malmros, ”Incorporating lamination processing and component manufacturing in electrical machine design tools”, Proceedings IEEE Industrial Applications Annual Meeting, New Orleans, 2007
Jeremy Iehl, Some suggested solutions to problems encountered on the extra-high voltage network of Brittany, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Nicklas Johansson, Lennnart Ängquist, Hans-Peter Nee, ”Adaptive Control of Controlled Series Compensators for Power System Stability Improvement”, Proceedings of IEEE Powertech 2007, Lausanne, Switzerland, 2007
Mercedes Sanchez Illanas, Evaluation of a New Definition for a Multiple Infeed Short Circuit Ratio, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Tommy Kjellqvist, Staffan Norrga, ”Active Snubber Circuit for Source Commutated Converters”, Proceedings of the EPE 2007 conference, 2007
Jon Boyra, State of the art and future development in electrical pitch systems for wind turbines, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Susanne Franzén, An Investigation of the Cost of Primary Regulation, Master’s Thesis, EES, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Samer Shisha, Chandur Sadarangani, ”Analysis of Losses in Inverter Fed Large Scale Synchronous Machines using 2D FEM Software”, Proceedings Power Electronics and Drive Systems, 2007, Submitted Dmitry Svechkarenko, Alija Cosic, Juliette Soulard, Chandur Sadarangani, ”Transverse Flux Machines for Sustainable Development - Road Transportation and Power Generation”, Proceedings Power Electronics and Drive Systems, 2007
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Bibliography Joakim Lilliesköld, Stefan Östlund, ”Assessing project courses with several teachers involved,” , Proceedings of the 3rd annual CDIO conference/, Boston, 2007 LICENTIATE THESIS
Tomas Modeer, Modeling and Testing of Line Start Permanent Magnet Motors, 2007 Dmitry Svechkarenko, On Analytical Modeling and Design of a Novel Transverse Flux Generator for Offshore Wind Turbines, (2007) MASTER ’S THESES
Huang Wenkan, Implementation of an adaptive controller for series compensators in PSS/E Claire Lloyd, An investigation into a High Speed MW Range Generator for Biofuel Power Plant and its Integration into the Swedish Grid Yan Yang, Active snubber for an IGBT in a naturally commutated converter Yang Yu, Asymmetric pulse width modulation with harmonic elimination Martin Skoglund, High-power voltage source converter valves using seriesconnected IGBT modules Melissa Mila Naghibian, A maximum Torque per Ampere Vector Control for Synchronous Reluctance Machine Considering Saturation and Cross- Coupling Effects Reza Rajabi Moghaddam, Synchronous Reluctance Machine (SynRM) Design Wallerand Faivre d Arcier, Laurent Sérillon, Thermal Modelling of Permanent Magnet Motor for Traction Gerry Brandelius, Diagnosis of Current Collection in Traction Systems Firew Zerihun Dejene, Power electronic interfaces in micro grids Yu Yang, Evaluation of new HEPWM patterns in HVDC applications Saeed Mohammadzadeh Babr, Design of PM motors with concentrated windings for concrete cutters TECHNICAL REPORT
Juliette Soulard, ’Investigation of eddy current loss in the winding of a traction motor with rectangular conductors’, 2007 Oskar Wallmark, ’Speed and position estimation of PM synchronous motors’, internal report within the ”PM motors with field-weakening capabilities for electric traction” project, 2007 Oskar Wallmark, ’Modeling of a double barrier PM rotor for transient simulations’, Internal report within the ”PM motors with field-weakening capabilities for electric traction” project, 2007 OTHER
Chandur Sadarangani, ’Hybrid Transverse Flux Machine with a High Torque Density’, Patent Nr. SE-P0401120, 2006 Chandur Sadarangani, ’Transverse flux linear machine with a tubular translator construction’, Patent Nr. SE-P0401110, 2006 Juliette Soulard, Florence Meier, ’Design of Permanent Magnet Synchronous Machines’, EJ2220 course material, 2007
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Oskar Wallmark, Mats Jonasson, ’Vehicles with autonomous corner modules - control and fault handling aspects’, Proceedings of the MIT Industry consortium on advanced automotive electrical/electronic components and systems review meeting, Invited presentation, 2007 Paulo Fischer de Toledo, Modeling and control of a line-commutated HVDC transmission system interacting with a VSC STATCOM, 2007 Sture Eriksson, Electrical Machine Development - a study of four different machine types from a Swedish perspective, 2007 M. Palaniyappan, ’Mechanical design of mega-watt offshore wind generators using the finite element method’, M.Sc. thesis in collaboration with Dept. of Mechanics, KTH, 2007
Electromagnetic Engineering Journal papers
Valentinas Dubickas, Hans Edin, ”High frequency model of Rogowski coil with small number of turns,” IEEE Transactions on Instrumentation and Measurements, vol.56, no.6, pp.2284-2288, Dec. 2007, (dec) 2007 Cecilia Forssén, Hans Edin, ”Measured Applied Frequency Dependence of Partial Discharges in Disc-Shaped Cavities,” IEEE Transactions on Dielectrics and Electrical Insulation, (dec) 2007, Submitted Martin Norgren, Takashi Takenaka, ”Full Newton method for inverse transmission line problems, utilising explicit second order derivatives,” Inverse Problems in Science and Engineering, vol. 15 pp. 827-853, (dec) 2007 Ou.HY (Ou.Haiyan), Fu.HY (Fu.Hongyan), Chen.D (Chen.Daru), Sailing He (He.Sailing), ”A tunable and reconfigurable microwave photonic filter based on a Raman fiber laser,” OPTICS COMMUNICATIONS, vol. 278 pp. 48-51, (oct) 2007 Han.ZH (Han.Zhanghua), Sailing He (He.Sailing), ”Multimode interference effect in plasmonic subwavelength waveguides and an ultra-compact power splitter,” OPTICS COMMUNICATION, vol. 278 pp. 199-203, (oct) 2007 Chen.D (Chen.D.), Fu.H (Fu.H.), Sailing He, ”Novel microwave photonic filter based on a mode-locked fiber laser,” LASER PHYSICS LETTERS, vol. 4 pp. 597-600, (aug) 2007 Chen.D (Chen.D.), Fu.H (Fu.H.), Sailing He, ”Novel microwave photonic filter based on a mode-locked fiber laser,” LASER PHYSICS LETTERS, vol. 4 pp. 597-600, (aug) 2007 Shen.JQ (Shen.Jian Qi), Sailing He (He.Sailing), ”Local field contribution to the optical properties of multilevel coherent atomic media,” ANNALEN DER PHYSIK, vol. 16 pp. 364-378, ( jun) 2007 Chen.XW (Chen.Xue-Wen), Choy.WCH (Choy.Wallace C. H.), Sailing He(He. Sailing), Chui.PC (Chui.P. C.), ”Highly efficient fluorescence of a fluorescing nanoparticle with a silver shell,” OPTICS EXPRESS, vol. 15 pp. 7083-7094, (may) 2007 Jin.Y (Jin.Yi), Sailing He (He.Sailing), ” Canalization for subwavelength focusing by a slab of dielectric photonic crystal,” PHYSICAL REVIEW B, vol. 75, (no. 195126,), (may) 2007 Guan.ZG (Guan.Zu-Guang), Zhou.B (Zhou.Bin), Liu.GR (Liu.Guorong), Sailing He (He.Sailing), ”Quasi-distributed absorption sensing system based on a coherent multiplexing technique,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 792-794, (may) 2007
Bibliography Shi.YC (Shi.Yaocheng), Dai.DX (Dai.Daoxin), Sailing He (He.Sailing), ”Proposal for an ultracompact polarization-beam splitter based on a photonic-crystal-assisted multimode interference coupler,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 825-827, ( jun) 2007 Yen.JH (Yen.Jin-Hua), Fu.HY (Fu.Hong-Yan), Sailing He (He.Sailing), ”Reconfigurable multiwavelength erbium-doped fiber laser using two multimode fiber Bragg gratings,” MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 49 pp. 1509-1511, ( jul) 2007 Luo.B (Luo.Bin), Sailing He (He.Sailing), ”An improved Monte Carlo diffusion hybrid model for light reflectance by turbid media,” OPTICS EXPRESS, vol. 15 pp. 5905-5918, (may) 2007 Han Zhanghua, Erik Forsberg, Sailing He, ”Surface plasmon Bragg gratings formed in metal-insulator-metal waveguides,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 91-93, ( jan) 2007 Dai.DX (Dai.Daoxin), Shi.YC (Shi.Yaocheng), Sailing He (He.Sailing), ”Comparative study of the integration density for passive linear planar light-wave circuits based on three different kinds of nanophotonic waveguide,” APPLIED OPTICS., vol. 46 pp. 1126-1131, (mar) 2007 Shao.LY (Shao.Li-Yang), Zhang.AP (Zhang.A. Ping), Liu.WS (Liu.Wei-Sheng), Fu.HY (Fu.Hong-Yan), Sailing He (He.Sailing), ” Optical refractive-index sensor based on dual fiber-Bragg gratings interposed with a multimode-fiber taper,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 30-32, ( jan) 2007 Dai.DX (Dai.Daoxin), Liu.L (Liu.Liu), Sailing He (He.Sailing), ” Three-dimensional hybrid modeling based on a beam propagation method and a diffraction formula for an AWG demultiplexer,” OPTICS COMMUNICATIONS, vol. 270 pp. 195-202, (feb) 2007 [19] Jin.Y (Jin.Yi), Sailing He (He.Sailing), ” Negative refraction of complex lattices of dielectric cylinders,” PHYSICS LETTERS A., vol. 360 pp. 461-466, ( jan) 2007 [20] Li.XA (Li.Xuan), Sailing He (He.Sailing), Jin.Y (Jin.Yi), ”Subwavelength focusing with a multilayered Fabry-Perot structure at optical frequencies,” PHYSICAL REVIEW B., vol. 75, (no. 045103,), ( jan) 2007 Carl Johan Wallnerström, Lina Bertling, ”Investigation of the Robustness of the Swedish Network Performance Assessment Model,” IEEE Transactions on Power Systems, (dec) 2007 Ruslan Papazyan, Per Pettersson, D Pommerenke, ”Wave propagation on power cables with special regard to metallic screen design,” IEEE Transactions on Dielectrics and Electrical Insulation, vol. 14 pp. 409-416, (apr) 2007 Gavita Mugala, Per Pettersson, Roland Eriksson, ”High frequency characteristics of water-tree degraded XLPE insulation in power cables,” IEEE Transactions on Dielectrics and Electrical Insulation, vol. 14, (no. 5,) pp. 1271-1277, (oct) 2007 Patrik Hilber, Vladimiro Miranda, Manuel Matos, Lina Bertling, ”Multiobjective Optimization Applied to Maintenance Policy for Electrical Networks,” IEEE Transactions on Power Systems, vol. 22, (no. 4,), (nov) 2007 Julia Nilsson, Lina Bertling, ”Maintenance management of wind power systems using Condition Monitoring Systems — Life Cycle Cost analysis for two case studies,” IEEE transactions on energy conversion, vol. 22, (no. 1,) pp. 223-229, (mar) 2007
Johan Ribrant, Lina Bertling, ”Survey of failures in Swedish wind power systems,” IEEE transactions on energy conversion, vol. 22, (no. 1,) pp. 167-173, (mar) 2007 Jörgen Ramprecht, Daniel Sjöberg, ”Biased Magnetic Materials in Ram Applications,” Progress in Electromagnetic Reaserch, (no. 75,) pp. 85-117, ( jun) 2007 David Ribbenfjärd, Göran Engdahl, ”Hysteresis Modeling Including Asymmetric Domain Rotation,” IEEE Transactions on Magnetics, vol. 43 pp. 1385-1388, (apr) 2007 Ding J; Lin Z; Ying Z; Sailing He, ”A compact ultra-wideband slot antenna with multiple notch frequency bands,” MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 49 pp. 3056-3060, (dec) 2007 Chen XW; Choy WCH; Liang CJ; Wai PKA; Sailing He, ”Modifications of the exciton lifetime and internal quantum efficiency for organic light-emitting devices with a weak/strong microcavity,” APPLIED PHYSICS LETTERS, vol. 91 pp. 221112, (nov) 2007 YC. Shi; S. Arland; Sailing He, ” A polarization-insensitive 1310/1550-nm demultiplexer based on sandwiched multimode interference waveguides,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 1789-1791, (nov) 2007 ZG Guan; Sailing He, ” Coherence multiplexing system based on asymmetric mach-zehnder interferometers for Faraday sensors,” IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 19 pp. 1907-1909, (nov) 2007 Jiang M; Guan ZG; Sailing He, ” Multiplexing scheme for self-interfering long-period fiber gratings using a low-coherence reflectometry,” IEEE SENSORS JOURNAL, vol. 7 pp. 1663-1667, (nov) 2007 Dai DX; He SL, ”Highly-sensitive sensor with large measurement range realized with two cascaded-microring resonators,” OPTICS COMMUNICATIONS, vol. 279 pp. 89-93, (nov) 2007 Sheng Z; Dai DX; Sailing He, ”Improve channel uniformity of an Si-nanowire AWG demultiplexer by using dual-tapered auxiliary waveguides,” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 25 pp. 3001-3007, (oct) 2007 Zhang Y; Jiang YR; Xue W; Sailing He, ” A broad-angle polarization beam splitter based on a simple dielectric periodic structure,” OPTICS EXPRESS, vol. 15 pp. 14363-14368, (oct) 2007 Han ZH; Sailing He, ”Two-dimensional model for three-dimensional indexguided multimode plasmonic waveguides and the design of ultrasmall multimode interference splitters,” APPLIED OPTICS, vol. 46 pp. 6223-6227, (sep) 2007 Liao YF; Li WJ; Sailing He, ”Properties of CdSe quantum dots coated with silica fabricated in a facile way,” NANOTECHNOLOGY, vol. 18 pp. 375701, (sep) 2007 Hu X; Sailing He, ”A new class of negative refractive index transmission line,” JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A, vol. 8 pp. 1179-1182, (aug) 2007 Chen XW; Choy WCH; Sailing He, ”Efficient optical modeling of spontaneous emission in a cylindrically layered nanostructure,” OPTICS EXPRESS, vol. 15 pp. 10356-10361, (aug) 2007 Shen JQ; Almlof J; Sailing He, ”Negative permeability in a Lambda-type three-level atomic vapor,” APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, vol. 87, (no. 291-295,), (may) 2007
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Bibliography Juerg Froehlich, Lars Jonsson, Enno Lenzmann, ”Boson Stars as Solitary Waves,” Comm. Math. Phys, vol. 274, (no. 1,) pp. 1--30, (feb) 2007 Juerg Fröhlich, Lars Jonsson, Enno Lenzmann, ”Effective Dynamics for Boson Stars,” Nonlinearity, vol. 20 pp. 1031--1075, (feb) 2007 Gavita Mugala, Roland Eriksson, Per Pettersson, ”Dependence of XLPE Insulated Power Cable Wave Propagation Characteristics on design Parameters,” IEEE Transactions on Dielectrics and Electrical Insulation, vol. 14 pp. 393-399, (apr) 2007 Maria Ekelund, Hans Edin, Ulf Gedde, ”Long-term performance of poly(vinyl chloride) cables. Part 1. Mechanical and electrical performance,” Polymer degradation and stability, vol. 92 pp. 617-629, (apr) 2007 Books
Hartmut Janocha Editor Göran Engdahl Co-writer, Adaptronics and Smart Structures, ”Magnetostrictive Actuators,” Springer-Verlag, 2007
Cecilia Forssén, Hans Edin, ”Measured Partial Discharge Inception Voltage for a Cavity at Different Applied Frequencies,” Proc. Nordic Insulation Symposium (Nord-IS 07), pp. 59-62, 2007 Johan Setréus, Carl Johan Wallnerström, Lina Bertling, ”A Comparative Study of Regulation Policies for Interruption of Supply of Electrical Distribution Systems in Sweden and UK,” CIRED2007, Vienna, Austria, 2007, www. cired.net Carl Johan Wallnerström, Lina Bertling, ”A Sensitivity Study of the Swedish Network Performance Assessment Model Investigating Effects of Changes in Input Data,” CIRED2007, Vienna, Austria, 2007, www.cired.net
Lina Bertling, Tutorial book on Asset Management - Maintenance and Replacement Strategies at the IEEE PES GM 2007
Mattias Oscarsson, ”Energy Consistency in De-hysterisation of Magnetostrictive Material Strain and Magnetisation Data,” Conference Proceedings of III ECCOMAS thematic conference on smart structures and materials, Gdansk, Poland, July 9-11, 2007
Conference proceedings
Licentiate theses
Lars Jonsson, ”On the effective dynamics of the pseudo-relativistic Hartree equation,” Deutsche Physikalische Gesellschaft Tagungsserver, Heidelberg 2007
Lars Austrin, On Magnetic Amplifiers in Aircraft Applications, Licentiate Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Lars Jonsson, ”On the numerical verification of a kernel assumption for the semi-relativistic Hartree equation,” Symmetry in Nonlinear Mathematical Physics, 2007
Mattias Oscarsson, Modelling and design approaches of magnetostrictive actuators, Licentiate Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Martin Norgren, ”On using periodically magnetized thin magnetic layers for radar cross section reduction,” EMB 07 Computational Electromagnetics Methods and Applications, pp. 3-10, 2007
David Ribbenfjärd, A lumped element transformer model including core losses and winding impedances, Licentiate Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Nathaniel Taylor, Hans Edin, ”Partial discharge measurement at varied low frequency,and some results from thermally aged stator insulation,” Conference Proceedings of the 20th Nordic Insulation Symposium, NordIS07, pp. 185-188, 2007 Jörgen Ramprecht, Daniel Sjöberg, ”On the feasibility of using ferromagnetic materials for thin EM absorbers,” International conference on electromagnetics in advanced applications, 2007 Anders Ellgardt, Andreas Wikström, ”Calculations and measurements of a wide-band wide-scan tapered-slot array,” EMB 07 Computational Electromagnetics Methods and Applications, pp. 249-256, 2007 Sailing HE, ”(invited talk) Some recent studies on subwavelength-structured metamaterials,” 8th Mediterranean International Topical Meeting on Novel Optical Materials and Applications, 2007 Sailing HE, ” (invited talk) Studies of some Superlensing structures at optical frequencies,” 1st European Topical Meeting on Nanophotonics and Metamaterials, 2007 Tommie Lindquist, Lina Bertling, ”A method for calculating disconnector contact availability as a function of thermography inspection intervals and load current,” Cigré Symposium on System Development and Asset Management under Restructuring, Japan, 2007 David Ribbenfjärd, Göran Engdahl, ”Novel method for modelling of dynamic hysteresis,” Proceedings of Compumag 2007, Patrik Hilber, Lina Bertling, ”Component Reliability Importance Indices for Electrical Networks,” Proceedings 8th International Power Engineering Conference, IPEC 2007
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Cecilia Forssén, Hans Edin, ”Modeling Partial Discharges in a Cavity at Different Applied Frequencies,” Proc. Conf. on Electrical Insulation and Dielectric Phenomena (CEIDP 2007), pp. 132-135, 2007
Master theses
Johan Uusijärvi, The design and construction of a magnetic immunity test system, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Udit Patidar, A hybrid iterative ICA-clustering algorithm for artifact rejection in EEG recordings, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Nadja Jäverberg, On simulation of surface discharges at variable voltage frequency, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Sergei Egorov, Calculation models for estimating DC currents impact on power transformers, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Fiasorgbor Nutifafa Kodzo, Maintenance Prioritization of Distribution System Based on Reliability Indices, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Karamjit Deddial, Data acquisition and control system for characterization and simulation of magnetostrictive materials, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm François Besnard, On stochastic dynamic programming and its application to maintenance, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Osama Swaitti, Assessing the Impacts of Increasing Penetration of HVDC Lines on Power System Reliability, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Bibliography Masoud Rostami, Survey and optimization of process data acquistition for instrument transformers manufacturing, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Sabina Karlsson, A review of lifetime assessment of transformers, and the use of Dissolved Gas Analysis, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Lu Yu, Fault Tree Analysis and Reliability Assessment of Auxiliary Power Supply system for an HVDC Plant, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Other
Martin Norgren, ’Field Theory for Guided Waves’, Kurskompendium, 2007 Göran Engdahl, Hans Edin, Martin Norgren, Staffan Rosander, Per Brunsell, Lars Blomberg, ’Electrotechnical Modelling’, Kursmaterial, 2007 Julia Nilsson, ’Reliability and Cost Centered Maintenance Methods - Nuclear Power and Reliability Centered Maintenance (RCM)’, 2007 Lina Bertling, ’Reliability assessment of electrical power systems - course material’, 2007
Tong Fan, Capacity demand and climate in Ekerö - Development of tool to predict capacity demand under uncertainty of climate effects, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Lina Bertling, Michael Patriksson, ’Mathematical optimization models for maintenance management - course material’, 2007
Rujiroj Leelaruji, Availability Assessment of HVDC Converter Transformers using Markov Modeling, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Journal papers
Joel Skogman, A Fourier transform approach for three dimensional wave propagation in a two dimensional environment, Master’s Thesis, ETK, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Technical reports
Lars Jonsson, ’Numerisk studie av taperingsmodell för skrovintegrerad gruppantenn’, 2007 Andrea Lang, ’Conference Reports - Wind Power and Maintenance’, 2007 Andrea Lang, ’Vindforsk Technical Report 1/07’, 2007 Andrea Lang, ’Sensitivity Analysis of Life Cycle Cost Calculation’, 2007 Johan Setréus, Carl Johan Wallnerström (2007), ’Maintenance and Investment Optimization in Distribution Systems’, Project in course ”Mathematical optimization models for maintenance management” Lina Bertling, Carl Johan Wallnerström, ’Excercises on reliability assessment of electric power systems’, 2007 Johan Setréus, ’Literature Review in Reliability Assessments Incorporating HVDC Links’, 2007 Anders Ellgardt, ’A scan blindness model for single-polarized tapered-slot arrays in triangular grids’, 2007 Lina Bertling, Matti Lehtonen, ’Maintenance management in power systems - course material’, 2007 Anna Franzén, Lina Bertling, ’State of the art - life time modeling and mangement of transformers’, 2007 Anna Franzén, Sabina Karlsson, ’Failure Modes and Effects Analysis of Transformers’, 2007 Patrik Persson, Anders Ellgardt, Björn Thors, Jörgen Ramprecht, Stig Ekestorm, Hans Steyska, ’Sammanfattning av KTH’, 2007 Anders Ellgardt, Patrik Persson, ’Fragmenterade patchantenner – avslutande arbete 2006’, 2007 Mattias Oscarsson Göran Engdahl, ’Mathematical plant of chosen actuator concept, part 2. ETK internal report.’, 2007
Fusion Plasma Physics T. Hirai, H. Maier, M. Rubel, Ph. Mertens, R. Neu, O. Neubauer, E. Gauthier, J. Likonen, C. Lungu, G. Maddaluno, G.F. Matthews, R. Mitteau, G. Piazza, V. Philipps, B. Riccardi, C. Ruset, I. Uytdenhowen, “R&D on full tungsten divertor and beryllium wall for JET ITER-like Wall Project”, Fusion Engineering and Design, vol. 82 pp. 1839-1845, 2007 Cristian Grisolia, G. Counsell, G. Dinescu, A. Semerok, N. Bekris, P. Coad, C. Hopf, Marek Rubel, A. Widdowson, E. Tsitrone, “Treatment of ITER plasmafacing components: Current status and remaining open issues before ITER implementation”, Fusion Engineering and Design, 2007 Takeshi Hirai, H. Maier, Marek Rubel, Ph. Mertens, R. Neu, O. Neubauer, E. Gauthier, J. Likonen, C. Lungu, G. Maddaluno, G.F. Matthews, R. Mitteau, G. Piazza, V. Philipps, B. Riccardi, C. Ruset, I. Uytdenhowen, “R&D on full tungsten divertor and beryllium wall for JET ITER-like Wall Project”, Fusion Engineering and Design, 2007 A. Litnovsky, P. Wienhold, V. Philipps, G. Sergienko, O. Schmitz, U. Samm, A Kreter, Ph. Mertens, A.H. Conne, D. Rudakov, S. Allen, R. Boivin, A. McLean, P. Stangeby, W. West, C. Wong, M. Lipa, B. Schunke, R.A. Pitts, G. De Temmerman, A. Costley, V. Voitsenya, K. Vukolov, P. Oelhafen, Marek Rubel, A. Romanyuk, “Transport of carbon, deposition and fuel accumulation in metallic castellated limiters exposed in the SOL of TEXTOR”, Journal of Nuclear Materials, vol. 367-370, 2007 A. Litnovsky, V. Philipps, A. Kirschner, P. Wienhold, G. Sergienko, A. Kreter, U. Samm, O. Schmitz, P. Karduck, M. Blöme, B. Emmoth, Marek Rubel, “Transport of carbon, deposition and fuel accumulation in metallic castellated limiters exposed in the SOL of TEXTOR”, Journal of Nuclear Materials, vol. 367-370 pp. 1481-1486, 2007 Henric Bergsåker, B. Emmoth, P. Petersson, G. Possnert, J.P. Coad, J. Likonen, T. Renvall, “Nuclear reaction analysis with ion microbeam of cross sections of surface layers deposited in a tokamak divertor”, Journal of Nuclear Materials, vol. 362 pp. 215-221, 2007 Anna Widdowson, J.P. Coad, N. Bekris, G. Counsell, M.J. Forrest, K.J. Gibson, D. Hole, J. Likonen, W. Parsons, T. Renvall, Marek Rubel, “Efficacy of photon cleaning of JET divertor tiles”, Journal of Nuclear Materials, 2007 Paul Coad, P. Andrew, D.E. Hole, J. Likonen, M. Mayer, Marek Rubel, J.D. Strachan, E.Vainonen-Ahlgren, A. Widdowson, “Erosion and deposition in the JET MK-IISRP divertor”, Journal of Nuclear Materials, 2007
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Bibliography Jari Likonen , J.P. Coad, E. Vainonen-Ahlgren, T. Renvall, D.E. Hole, Marek Rubel, “Structural studies of co-deposited layers on JET MkII-SRP inner divertor tiles”, Journal of Nuclear Materials, 2007
Jon-Erik Dahlin, Jan Scheffel, “Numerical studies of confinement scalings for the dynamo-free reversed-field pinch”, Nuclear Fusion, vol. 47, (no. 1,) pp. 9-16, 2007
Marek Rubel, Gregory De Temmermann, G. Sergienko, Per Sundelin, Birger Emmoth, V. Philipps, “Fuel removal from plasma-facing components by oxidation-assisted technique. An overview of surface morphology after oxidation”, Journal of Nuclear Materials, 2007
Takeshi Hirai, J. Linke, Per Sundelin, Marek Rubel, W. Kuehnlein, E. Wessel, J.P. Coad, C.P. Lungu, G.F. Matthews, L. Pedrick, G. Piazza, “Characterisation and heat flux testing of beryllium coatings on Inconel for JET ITER-Like Wall Project”, Physica Scripta, vol. T128 pp. 166-170, 2007
Andrei Litnovsky, P. Wienhold, V. Philipps, G. Sergienko, O. Schmitz, U. Samm, A Kreter, Ph. Mertens, A.H. Conne, D. Rudakov, S. Allen, R. Boivin, A. McLean, P. Stangeby, W. West, C. Wong, M. Lipa, B. Schunke, R.A. Pitts, G. De Temmerman, A. Costley, V. Voitsenya, K. Vukolov, P. Oelhafen, M. Rubel, A. Romanyuk, “Diagnostic mirrors for ITER: a material choice and the impact of erosion and deposition on their performance”, Journal of Nuclear Materials, 2007
Elzbieta Fortuna , Marek Rubel, M. Psoda, M. Andrzejczuk, K.J. Kurzydlowski, M. Miskiewicz, V. Philipps, A..Pospieszczyk, G. Sergienko, M. Spychalski, W. Zielinski, “Plasma-induced damage of tungsten coatings on graphite limiters”, Physica Scripta, vol. T128, 2007
Gennadi Sergienko, B. Bazylev, A. Huber, A. Kreter, A. Litnovsky, Marek Rubel, V. Philipps, A. Pospieszczyk, Ph. Mertens, U. Samm, B. Schweer, O. Schmitz, M. Tokar, “Erosion of tungsten limiter under high heat flux in TEXTOR”, Journal of Nuclear Materials, 2007 A. Litnovsky, V. Philipps, A. Kirschner, P. Wienhold, G. Sergienko, A. Kreter, U. Samm, O. Schmitz, P. Karduck, M. Blöme, Birger Emmoth, Marek Rubel, “Transport of carbon, deposition and fuel accumulation in metallic castellated limiters exposed in the SOL of TEXTOR”, Journal of Nuclear Materials, 2007 G. Piazza, G.F. Matthews, J. Pamela, H. Altmann, J.P. Coad, T. Hirai, A. Lioure, H. Maier, Ph. Mertens, V. Philipps, V. Riccardo, Marek Rubel, E. Villedieu, “R&D on tungsten plasma-facing components for the JET ITER-Like Wall Project”, Journal of Nuclear Materials, 2007 Marek Rubel, Paul Coad, Richard Pitts, “Overview of co-deposition and fuel inventory in castellated divertor structures at JET”, Journal of Nuclear Materials, 2007 Elzbieta Fortuna Marek Rubel, V. Philipps, K.J. Kurzydłowski, M. Miśkiewicz, Ph. Mertens, M. Pisarek, G. Van Oost, W. Zieliński, “Properties of co-deposits on graphite high heat flux components”, Journal of Nuclear Materials, 2007 Thierry Loarer, Christian Brosset, Jerome Bucalossi, Paul Coad, Guenter Esser, John Hogan, Jari Likonen, Matey Mayer, Phil Morgan, Volker Philipps, Volker Rhode, Joachim Roth, Mand Rubel, Emmanuelle Tsitrone, Anna Widdowson, “Gas balance and fuel retention in fusion devices”, Nature, vol. 47 pp. 1112-1120, 2007 T. Loarer, C. Brosset, J. Bucalossi, P. Coad, G. Esser, J. Hogan, J. Likonen, M. Mayer, Ph. Morgan, V. Philipps, V. Rhode, J. Roth, Marek Rubel, E. Tsitrone, A. Widdowson, “Gas balance and fuel retention in fusion devices”, Nuclear Fusion, vol. 47 pp. 1112-1120, 2007 T. Loarer, C. Brosset, J. Bucalossi, P. Coad, G. Esser, J. Hogan, J. Likonen, M. Mayer, Ph. Morgan, V. Philipps, V. Rhode, J. Roth, M. Rubel, E. Tsitrone, A. Widdowson, “Gas balance and fuel retention in fusion devices”, Nuclear Fusion, 2007 Hans Maier, T. Hirai, Marek Rubel, R. Neu, Ph. Mertens, H. Greuner, Ch. Hopf, G.F. Matthews, O. Neubauer, G. Piazza, E. Gauthier, J. Likonen, R. Mitteau, G. Maddaluno, B. Riccardi, V. Philipps, C. Ruset, C. Lungu, I. Uytdenhouven, ”Tungsten and beryllium armour development for the ITER-Like Wall Project”, Nuclear Fusion, 2007 Jon-Erik Dahlin, Jan Scheffel, “Ultra High Beta in Numerical Simulations of a Tearing-mode Reduced Reversed-field Pinch”, Nuclear Fusion, vol. 47 pp. 1184-1188, 2007
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Guy Matthews, P. Edwards, T. Hirai, M. Kear, A. Lioure, P. Lomas, A. Loving, C. Lungu, H. Maier, Ph. Mertens, D. Neilson, R. Neu, J. Pamela, V. Philipps, G. Piazza, V. Riccardo, Marek Rubel, C. Ruset, E. Villedieu, M. Way, “ITER-Like Wall Project Overview”, Physica Scripta, 2007 T. Hirai, J. Linke, Per Sundelin, Marek Rubel, W. Kuehnlein, E. Wessel, J.P. Coad, C.P. Lungu, G.F. Matthews, L. Pedrick, G. Piazza, “Characterisation and heat flux testing of beryllium coatings on Inconel for JET ITER-Like Wall Project”, Physica Scripta, vol. T128, 2007 C. P. Lungu, I. Mustata, V. Zaroschi, A. M. Lungu, A. Anghel, P. Chiru, M. Rubel, J. P. Coad, G. F. Matthews, “Beryllium coatings on metals: development of process and characterisation of layers”, Physica Scripta, vol. T128, 2007 G. Sergienko, B. Bazylev, T. Hirai, A. Hubr eand A. Kreter, Ph. Mertens, A. Nedospasov, V. Philipps, A. Pospieszczyk, Marek Rubel, U. Samm, B. Schweer, P. Sundelin, M. Tokar, E. Wessel, ”Tungsten behaviour under power loads of fusion plasmas”, Physica Scripta, vol. T128 pp. 81-86, 2007 Lorenzo Frassinetti, Per R. Brunsell, James R. Drake, Sheena Menmuir, Marco Cecconello, “Spontaneous Quasi-Single Helicity regimes in EXTRAP T2R reversed field pinch”, Physics of Plasmas, vol. 14 pp. 112510, 2007 Per R. Brunsell, K. Erik J. Olofsson, Lorenzo Frassinetti, James R. Drake, “Resistive wall mode feedback control in EXTRAP T2R with improved steady-state error and transient response”, Physics of Plasmas, vol. 14 pp. 102505, 2007 P. Sandquist, S. E. Sharapov, M. Lisak, T. Johnson, “Bidirectional tornado modes on the Joint European Torus”, Physics of Plasmas, vol. 14 pp. 122506, 2007 I. T. Chapman, S. D. Pinches, J. P. Graves, R. J. Akers, L. C. Appel, R. V. Budny, S. Coda, N. J. Conway, M. de Bock, L.-G. Eriksson, R. J. Hastie, T. C. Hender, G. T. A. Huysmans, T. Johnson, H. R. Koslowski, A. Krämer-Flecken, M. Lennholm, Y. Liang, S. Saarelma, S. E. Sharapov, I. Voitsekhovitch, the MAST, TEXTOR Teams, JET EFDA Contributors, “The physics of sawtooth stabilization”, Plasma Physics and Controlled Fusion, vol. 49 pp. B385-B394, 2007 F. S. Zaitsev, A. Gondhalekar, T. Johnson, S. E. Sharapov, D. S. Testa, I. I. Kurbet, JET EFDA contributors, “Suprathermal deuterium ions produced by nuclear elastic scattering of ICRH driven He3 ions in JET plasmas”, Plasma Physics and Controlled Fusion, vol. 49 pp. 1747-1766, 2007 J. Lönnroth, V. Parail, V. Hynönen, T. Johnson, T. Kiviniemi, N. Oyama, M. Beurskens, D. Howell, G. Saibene, P. de Vries, T. Hatae, Y. Kamada, S. Konovalov, A. Loarte, K. Shinohara, K. Tobita, H. Urano, “Effects of ripple-induced ion thermal transport on H-mode plasma performance”, Plasma Physics and Controlled Fusion, vol. 49 pp. 273-295, 2007 Jon-Erik Dahlin, Jan Scheffel, J K Anderson, “Numerical studies of active current profile control in the reversed-field pinch”, Plasma Physics and Controlled Fusion, vol. 49 pp. 1-13, 2007
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M. Laxåback, JET EFDA Contributors, “Predictive Analysis of High Power ICRF Heating JET”, Proceedings of the 17:th Topical Conference on Radio Frequency Power in Plasmas, 2007 L-G Eriksson et al, J H Brzozowski, “Sawtooth control by Ion Cyclotron Current Drive for NTM avoidance”, 10th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems, 2007 A. Salmi, T. Johnson, V. Parail, J. Heikkinen, V. Hynönen, T. Kiviniemi, T. Kurki-Suonio, JET EFDA Contributors, “ASCOT modelling of ripple effects on toroidal torque”, 11th Intl. Workshop on Plasma Edge Theory in Fusion Devices, 2007 Per R. Brunsell, Dmitriy Yadikin, Marco Cecconello, James R. Drake, Lorenzo Frassinetti, Mattias Kuldkepp, Sheena Menmuir, Erik Olofsson, Elisabeth Rachlew, “Studies of RWM control in EXTRAP T2R”, 12:th IEA/RFP Workshop, Kyoto 26-28 March 2007, Kyoto Institute of Technology, 2007 M. Psoda, Marek Rubel, G. Sergienko, A. Pospieszczyk, Per Sundelin, P. Gąsior, “Material mixing on plasma-facing components: New compound formation”, 13th Int. Conf. on Fusion Reactor Materials (ICFRM-13), Nice, France, Decembe, 2007 V. Bailescu, G. Burcea, C.P. Lungu, I. Mustata, A.M. Lungu, M. Rubel, J.P. Coad, G.F. Matthews, L. Pedrick , R. Handley, “Beryllium coatings on Inconel tiles”, 13th Int. Conf. on Fusion Reactor Materials (ICFRM-13), Nice, France, Decembe, 2007 C.P. Lungu, I. Mustata, V. Zaroschi, A. Anghel, A.M. Lungu, P. Chiru, O. Pompilian andC. Surdu-Bob, C. Iocob, Marek Rubel, J.P. Coad, G.F. Matthews, L. Pedrick , R. Handley, “Marker tile coatings by TVA method”, 13th Int. Conf. on Fusion Reactor Materials (ICFRM-13), Nice, France, December, 2007 G.F. Matthews, P. Edwards, A. Loving, V. Philipps, V. Riccardo, Marek Rubel, E. Villedieu, “The bITER-Like Wall Project”, 13th Int. Conf. on Fusion Reactor Materials (ICFRM-13), Nice, France, December, 2007 Marek Rubel, Paul Coad, “Overview of Long-term Fuel Inventory and Codeposition in Castellated Beryllium Limiters at JET”, 13th Int. Conf. on Fusion Reactor Materials (ICFRM-13), Nice, France, December, 2007 P. Pelicon, Marek Rubel, A. Kreter, J. Simčič, I. Čadež, S. Markelj, S. Brezinsek, V. Phillips, “Lateral mapping of hydrogen isotopes in the tokamak wall materials with micrometer resolution using high energy focused ion beams”, 17th Int. Vacuum Congress (IVC-17), Stockholm, Sweden, July, 2007 G.F. Matthews, P. Edwards, A. Loving, V. Philipps, V. Riccardo, Marek Rubel, E. Villedieu, the ITER-Like Wall Project Team, “An ITER-Like Wall for JET”, 17th Int. Vacuum Congress (IVC-17), Stockholm, Sweden, July, 2007 P. Pelicon, J. Simčič, Marek Rubel, A. Kreter, S. Brezinsek, I. Čadež, S. Markelj, A. Litnovsky, V. Philipps, “Application of focused ion beams for lateral mapping of hydrogen isotopes in plasma-facing materials from the TEXTOR tokamak”, 18th Int. Conf. on Ion Beam Analysis, Hyderabad, India, September, 2007
Marek Rubel, “Plasma-facing components in controlled fusion devices: Problems and solutions”, 18th Physical Metallurgy and Materials Science Conference, Advanced Materials and Technologies, Jachranka, Poland, June, 2007 A. Kreter, S. Brezinsek, Marek Rubel, Birger Emmoth, M. Freisinger, P. Pelicon, V. Philipps, O. Schmitz, Per Sundelin, G. Sergienko, “Fuel retention in carbon materials exposed in TEXTOR”, 34th EPS Conf. on Plasma Physics and Controlled Fusion - Warsaw Poland July, 2007 Marek Rubel, “Microbeam analysis of deuterium distribution in plasmafacing components”, 3rd Meeting between Research Centre Jülich and the Josef Stefan Institute on Plasma-Wall Interactions, Ljubljana, Slovenia, February, 2007 R.A. Pitts, 20 co-authors including Marek Rubel, “Progress in ITER relevant exhaust physics at JET”, 49th APS Annual Meeting of the Plasma Physics Division, Orlando, Florida, USA, November, 2007 D Moreau et al, J H Brzozowski, “Real-Time Profile Control for Advanced Tokamak Operation on JET”, 5-th IAEA TM on Steady State Operation of Magnetic Fusion Devices, 2007 Marek Rubel, “Reactor aspects of fusion: Fusion reactor materials”, 8th Carolus Magnus Summer School on Plasma Physics, Bad Honnef, Germany, September, 2007 T. Hirai andJ. Linke, P. Sundelin, M. Rubel, J.P. Coad, C.P. Lungu, G.F. Matthews, “Thermal load resistance of erosion-monitoring beryllium marker tile for the JET ITER-Like Wall Project”, 8th Int. Symp. on Fusion Nuclear Technology, Heidelberg, Germany, October, 2007 Marek Rubel, Paul, “Deuterium retention in castellated beryllium limiters from JET”, 9th International Tokamak Physics Activity on SOL and Divertor Physics (ITPA-9, SOL-D), Garching, Germany, May, 2007 Jan Scheffel, “Semi-analytical solution of initial-value problems”, Bulletin of the American Physical Society, pp. 367, 2007 P. Gasior, A. Czarnecka, P. Parys, M. Rosinski, J. Wolowski, J. Compan, T. Hirai, J. Linke, E. Wessel, V. Philipps, Birger Emmoth, Marek Rubel, Per Sundelin, B. Kolman, “Microstructure of co-deposited layer plasma-facing carbon surfaces after high power laser treatment”, EUROMAT-2007, Contribution B42-1359, Nuremberg, Germany, September, 2007 T. Hirai, J. Linke, P. Sundelin, Marek Rubel, W. Kühnlein, E. Wessel, V. Gutzeit, J.P. Coad, C.P. Lungu, G.F. Matthews, L. Pedrick, G. Piazza, “Beryllium coatings for the ITER-Like Wall Project at JET: Overview on heat flux testing and material properties”, EUROMAT-2007, Contribution B42-647 Nuremberg, Germany, September, 2007 P. Gasior, A. Czarnecka, J. Compan, B. Emmoth, T. Hirai, F. Irrek, J. Linke, B. Kolman, P. Parys, V. Philipps, M. Rosinski, Marek Rubel, Per Sundelin, E. Wessel, J. Wolowski, “Laser-induced removal of co-deposits from graphite plasma-facing components – characterization of treated surfaces and dust particles”, Europhysics Conference Abstracts - ECA, 2007 Marek Rubel, G. Sergienko, A. Kreter, A. Pospieszczyk, M. Psoda, E. Wessel, W. Philipps, “Fuel retention and material mixing in castellated tungsten limiter”, Europhysics Conference Abstracts - ECA, 2007 J.D. Strachan, J.P. Coad, G. Corrigan, J. Spence, G.F. Matthews, J. Likonen, Marek Rubel, R. Pitts, A. Kirschner, A. Kallenbach, “Carbon Migration during JET 13C injection experiments”, Europhysics Conference Abstracts- ECA, 2007
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Industrial Information and Control Systems Journal Papers
Magnus Gammelgård, Mårten Simonsson, Åsa Lindström, “An IT management assessment framework - evaluating enterprise architecture scenarios”, Information Systems and e-Business Management, vol. 5, (no. 4,), (sep) 2007 Pontus Johnson, Robert Lagerström, Per Närman, Mårten Simonsson, “Enterprise Architecture Analysis with Extended Influence Diagrams”, Information Systems Frontiers, vol. 9, (no. 2,), (may) 2007 Pontus Johnson, Erik Johansson, “Assessment of Business Process Information Security”, International Journal of Business Process Integration and Management, vol. 3, (dec) 2007 Robert Lagerström, “Analyzing System Maintainability using Enterprise Architecture Models”, Journal of Enterprise Architecture, (nov) 2007 Magnus Gammelgård, Mårten Simonsson, Åsa Lindström, “Presenting a theory based model for IT management responsibilities”, Journal of Enterprise Architecture, ( jun) 2007 Pontus Johnson, Robert Lagerström, Per Närman, Mårten Simonsson, “Extended Influence Diagrams for System Quality Analysis”, Journal of Software, (sep) 2007 Joakim Lilliesköld, Lars Taxén, “Operationalizing Coordination of Megaprojects - a Workpractice Perspective”, Project Perspectives, vol. XXIX pp. 40-45, (oct) 2007 Books
Pontus Johnson, Mathias Ekstedt, Enterprise Architecture: Models and Analyses for Information Systems Decision MakingStudentlitteratur, 2007, Book Mikael Eriksson, Joakim Lilliesköld, Projektstyring i praksisLiber, 2007 Lars Sörqvist, Measuring and Analyzing the Cost of Poor QualityChinese Edition, 2007 Lars Sörqvist, Handbook for Black BeltsChinese Edition, 2007 Lars Sörqvist, F Höglund, Six SigmaStudentlitteratur, 2007 Mathias Ekstedt, Pontus Johnson, Per Närman, Robert Lagerström, Pia Gustafsson, Selecting Enterprise Architecture Models, “Selecting Enterprise Architecture Models,” Enteprise Architecture, Studentlitteratur, 2007 Mathias Ekstedt, Pontus Johnson, Magnus Gammelgård, Teodor Sommestad, Pia Gustafsson, Setting the Business Goals, “Setting the Business Goals,” Enterprise Architcture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Mårten Simonsson, Joakim Lilliesköld, Organizing for Enterprise Architcture, “Organizing for Enterprise Architcture,” Enterprise Architcture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Robert Lagerström, Enterprise Information System Management, “Enterprise Information System Management,” Enterprise Architecture, Studentlitteratur, 2007
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Bibliography Pontus Johnson, Mathias Ekstedt, Robert Lagerström, The Enterprise and Its Information Systems, Enterprise Architecture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Rober Lagerström, Teodor Sommestad, Introduction, “Introduction,” Enterprise Architecture, Studentlitteratur, 2007 Mathias Ekstedt, Pontus Johnson, Per Närman, Robert Lagerström, Moustafa Chenine, Setting the Information Systems Goals, “Setting the Information Systems Goals,” Enterprise Architecture, Studentlitteratur, 2007 Mathias Ekstedt, Pontus Johnson, Mårten Simonsson, Christian Schröpfer, Setting the IT Organization Goals, “Setting the IT Organization Goals,” Enterprise Architecture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Erik Johansson, Collecting Evidence, “Collecting Evidence,” Enterprise Architecture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Johan Ullberg, Assessing Goal Fulfillment, “Assessing Goal Fulfillment,” Enterprise Architecture, Studentlitteratur, 2007 Pontus Johnson, Mathias Ekstedt, Robert Lagerström, Mårten Simonsson, Enterprise Architecture at ACME Energy, “Enterprise Architecture at ACME Energy,” Enterprise Architecture, Studentlitteratur, 2007 Joakim Lilliesköld, Lars Taxen, The system anatomy, “The system anatomy,” Tools for Complex Projects, Gower, 2007 Conference procedings
Lars Nordström Jevgenij Tsoi, “Evaluating Device Management Capabilitieis in Large Scale AMR Installations using Evidential Reasoning”, CIRED - 19th International Conference on Electric Distribution, 2007 Lars Nordström Svante Rohlin, “Use of Evidential Reasoning in Assessment of Information Security Levels in AMR System Installations”, CIRED - 19th International Conference on Electricity Distribution, 2007
Robert Lagerström, Pontus Johnson, Per Närman, “Extended Influence Diagram Generation”, Interoperability for Enterprise Software and Applications Conference, 2007 Teodor Sommestad, Joakim Lilliesköld, “Development of an Effort Estimation Model – A Case Study on Delivery Projects at a Leading IT Provider within the Electric Utility Industry”, Portland International Conference on Management of Engineering and Technology - PICMET, 2007 Magnus Gammelgård Mathias Ekstedt Per Närman, “Evaluation of business value of IT-system scenarios – a case study at a large north European power company”, Portland International Conference on Management of Engineering and Technology - PICMET 2007, 2007 Moustafa Chenine, Lars Nordström, Pontus Johnson, “Factors in Assessing Performance of Wide Area Communication Networks for Distributed Control of Power Systems”, Power Tech 2007, pp. 6, 2007 Pontus Johnson, Mathias Ekstedt, “In Search of a Unified Theory of Software Engineering”, Procedings of the International Conference on Software Engineering Advances, 2007 Pontus Johnson, Erik Johansson, Teodor Sommestad, Johan Ullberg, “A Tool for Enterprise Architecture Analysis”, Proceedings of the 11th IEEE International Enterprise Computing Conference (EDOC 2007), 2007 Pia Gustafsson, “Evaluating IT Benefits Through Modeling the Organization”, Proceedings of the European Conference on Information Management and Evaluation, 2007
Per Närman Elin Hammar Pontus Karlsson, “Standard-Based Outage Management Process Modelling”, CIRED 2007 International Conference on Electricity Distribution, pp. 4, 2007
Per Närman, Pontus Johnson, Lars Nordström, “Enterprise Architecture: A Framework Supporting System Quality Analysis”, Proceedings of the IEEE International Annual Enterprise Distributed Object Computing Conference (EDOC), 2007
Norman Vargas, Leonel Plazaola, Johnny Flores, “Constructing a General Framework Definition of the Business and IT Alignment Concern through selected papers”, Conference on Systems Engineering Research, 2007
Lars Taxén, Joakim Lilliesköld, “Images as Action Instruments in Complex Projects”, Proceedings of The International Research Network on Organizing by Projects (IRNOP), 2007
Leonel Plazaola, Johnny Flores, Enrique Silva, Norman Vargas, Mathias Ekstedt, “An Approach to Associate Strategic Business-IT Alignment Assessment to Enterprise Architecture”, Conference on Systems Engineering Research, 2007
Magnus Gammelgård Mathias Ekstedt Per Närman, “Architecture Scenario Analysis – Estimating the Credibility of the Results”, Seventeenth Annual International Symposium of The International Council on Systems Engineering, 2007
Mårten Simonsson, Pontus Johnson, Hanna Wijkström, “Model-based IT Governance maturity assessments with Cobit”, European Conference on Information Systems, 2007
Master ’s Theses
Pontus Johnson, Robert Lagerström, Per Närman, Mårten Simonsson, “System Quality Analysis with Extended Influence Diagrams”, IEEE 11th European Conference on Software Maintenance and Reengineering, 2007 Joakim Lilliesköld, Stefan Östlund, “Assessing project courses with several teachers involved”, In proceedings of the 3rd annual CDIO conference, 2007 Narcisa Jonsson, Oscar Möller, Joakim Lilliesköld, “Reasons for not offshoring IT-support in Swedish banks”, In the proceedings of Portland International Conference on Management of Engineering and Technology (PICMET), 2007 Robert Lagerström, Jonas Öhrström, “A Framework for Assessing Business Value of Service Oriented Architectures”, In the Proceedings of the IEEE International Conference on Services Computing (SCC), 2007
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Robert Lagerström, “Analyzing System Maintainability using Enterprise Architecture Models”, In the workshop Proceedings of Trends in Enterprise Architecture Research (TEAR), 2007
Farrukh Qamar Syed, Assessment Tool Development using the XP process Sonia Davari Dolat Abadi, Malin Åhström, An Approach for How to Implement Design for Six Sigma in Stoneridge Electronics Niklas Gustafsson, Assessment of OPC for the DUGA system at Volvo Powertrain Jonas Brag, Assessments of Enterprise Information Security - A study on the effort needed to collect credible information Marie Halvorsen, Thomas Wahlström, IT-styrning hos småföretag vid outsourcing av IT-drift Andreas Andersson, Fredrik Wernstedt, Verksamhetsutveckling & kvalitet genom testrelaterade mätvärden vid mjukvarukomponenttestning Dinusha Gunaratne, A Framework to Evaluate a Function reference Model Based On Model Morphism at Vattenfall
Bibliography Henrik Fräsén, IT in Swedish municipalities - An IT maturity study within the Swedish non-profit governmental municipals using the CobiT framework Johan Tezelson, Införande av estimat i EON Elnäts organisation Babak Tighnavard, Informationssäkerhet på TeliaSonera Jonas Söderbom, The costs of Enterprise Information Security – a relative assessment approach Nahir Poli, A Framework for Assessing Data Quality in Information Systems Edouard Drogou, IT governance at a financial institution - An evaluation method to measure the linkage between IT and business strategies, and the compliance with laws and regulations Sany Karim, Georgi Renström, Mognaden av IT-processer på ett nordiskt telekombolag - en fallstudie enligt Cobit Joel Etzler, IT governance according to COBIT - How does the IT performance within one of the largest investment banks in the world compare to COBIT? Sofia Sandgren, A Method For Measuring the Cost of IT Berkan Kapkac, Design av 61850 kompatibelt kontrollsystem för vattenkraftanläggningar Frida Stålbom, En godhetsutvärdering av Svenska Kraftnäts IT-stöd för underhållsprocessen Daniel Lundin, Information Systems Integration and Interoperability - what it is and how to achieve high general information systems interoperability Mattias Jansson, Information Systems Integration and Interoperability what it is and how to achieve it between two information systems Michael Hansson, A comparisson between the Vattenfall IT security scanner (VITSS) and the information security standard ISO 17799 Elin Hammar, Modeling the Power Distribution Process - Focusing On Outage Management Pontus Karlsson, Modeling of a Distribution Management System - A Functional Evaluation Johan Ullberg, Assessing Functionality and Modifiability in ECM-systems Göran Lindmark, Assessing Business Intelligence Business Value in Decision Support Systems Agneta Szlufarska, Använding av AMR System för avbrottsrapportering behov och förutsättningar Jonas Öhrström, Business Value using Service Oriented Architecture Daniel Fosselius, Kaj Froelich, Service Oriented Architecture from a Business Perspective - How to Identify Services
Microsystem Technology Journal Papers
Unnar B. Arnalds, Jon S. Agustsson, Arni S. Ingason, Anna K. Eriksson, Kristinn B. Gylfason, Jon T. Gudmundsson, Sveinn Olafsson, “A magnetron sputtering system for the preparation of patterned thin films and in situ thin film electrical resistance measurements”, Review of Scientific Instruments, vol. 78 pp. 103901, 2007 Petros Gkotsis, Paul B. Kirby, Farizah Saharil, Joachim Oberhammer, Göran Stemme, “Thin film crystal growth template removal: Application to stress reduction in lead zirconate titanate microstructures”, Applied Physics Letters, vol. 91 pp. 163504, 2007
Björn Samel, Volker Nock, Aman Russom, Patrick Griss, Göran Stemme, “A disposable lab-on-a-chip platform with embedded fluid actuators for active nanoliter liquid handling”, Biomedical Microdevices, vol. 9, (no. 1,) pp. 61–67, 2007 Thomas Frisk, Susanna Rydholm, Thomas Liebmann, Helene Andersson Svahn, Göran Stemme, Hjalmar Brismar, “A microfluidic device for parallel 3-D cell cultures in asymmetric environments”, Electrophoresis, vol. 28, (no. 24,) pp. 4705–4712, 2007 Johan Jacksén, Thomas Frisk, Theres Redeby, Varun Parmar, Wouter van der Wijngaart, Göran Stemme, Åsa Emmer, “Off-line integration of capillary electrophoresis and MALDI-MS using a closed-open-closed microchannel system”, Electrophoresis, vol. 28 pp. 2458–2456, 2007 Niclas Roxhed, T. Christian Gasser, Patrick Griss, Gerhard A. Holzapfel, Göran Stemme, “Penetration-enhanced Ultra-sharp Microneedles and Prediction on Skin Interaction for Efficient Transdermal Drug Delivery”, IEEE Journal of MicroElecroMechanical Systems (JMEMS), vol. 16, (no. 6,) pp. 1429–40, 2007 Björn Samel, Julien Chretien, Ruifeng Yue, Patrick Griss, Göran Stemme, “Wafer-Level Process For Single-Use Buckling Film Microliter-Range Pumps”, IEEE Journal of MicroElecroMechanical Systems (JMEMS), vol. 16 pp. 795–801, 2007 Björn Samel, Patrick Griss, Göran Stemme, “A Thermally Responsive PDMS Composite And Its Microfluidic Applications”, IEEE Journal of MicroElecroMechanical Systems (JMEMS), vol. 16 pp. 50–57, 2007 Wouter van der Wijngaart, Dipankar Chugh, Elisabeth Man, Jessica Melin, Göran Stemme, “A novel, low-temperature thermopneumatic actuation principle for gas bubble microvalves”, IEEE Journal of MicroElecroMechanical Systems (JMEMS), vol. 16 pp. 765–774, 2007 Niclas Roxhed, Patrick Griss, Göran Stemme, “A method for tapered deep reactive ion etching using a modified Bosch process”, J. Micromech. Microeng., vol. 17, (no. 5,) pp. 1087–92, 2007 P. Gkotsis, G. Leighton, D. Bhattacharyya, R. V. Wright, M. Zhu, P.B. Kirby, F. Saharil, J. Oberhammer, G. Stemme, “Platinum bottom electrode and thin film PZT observations following wafer transfer”, Journal of Integrated Ferroelectrics, 2007, Submitted Björn Samel, Mohammad Kamruzzaman Chowdhury, Göran Stemme, “The fabrication of microfluidic structures by means of full-wafer adhesive bonding using a poly(dimethylsiloxane) catalyst”, Journal of Micromechanics and Microengineering, vol. 17, (no. 8,) pp. 1710–1714, 2007 Björn Samel, Wouter van der Wijngaart, Steve Wilson (Editor), Chris Bowen (Editor), “New Materials for Micro-scale Sensors and Actuators – An Engineering Review; Section11: Expandable microsphere composites”, Materials Science and Engineering: R: Reports, vol. 56 pp. 1–129, 2007 Carlos Angulo Barrios, Benito Sánchez, Kristinn B. Gylfason, Amadeu Griol, Hans Sohlström , Miguel Holgado, Rafael Casquel, “Demonstration of slot-waveguide structures on silicon nitride / silicon oxide platform”, Optics Express, vol. 15 pp. 6846–6856, 2007 Carlos Barrios, Kristinn B. Gylfason, Benito Sanchez, Amadeu Griol, Hans Sohlström, Miguel Holgado, Rafael Casquel, “Slot-waveguide biochemical sensor”, Optics Letters, vol. 32 pp. 3080–3082, 2007 Lina Nordquist, Niclas Roxhed, Patrick Griss, Göran Stemme, “Novel Microneedle Patches for Active Insulin Delivery are Efficient in Maintaining Glycaemic Control: An Initial Comparison with Subcutaneous Administration”, Pharmaceutical Research, vol. 24, (no. 7,) pp. 1381–8, 2007
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Bibliography Conference proceedings
Stefan Braun, Joachim Oberhammer, Göran Stemme, “MEMS single-chip 5x5 and 20x20 double-switch arrays for telecommunication networks”, IEEE Int. Conf. on Micro Electro Mechanical Systems, 2007 Göran Stemme, “Low-cost MEMS for Applications in Medical Technology”, 33rd Int. Conf. on Micro- and Nano-Engineering (MNE), Invited Plenary Talk, 2007 Carlos A. Barrios, Kristinn B. Gylfason, Benito Sánchez, Hans Sohlström, Amadeu Griol, Rafael Casquel, Miguel Holgado, “Integrated Si3N4/SiO2 Slot-Waveguide Microresonators”, ECOC 2007 G. Maire, Laurent Vivien, G. Sattler, D. Marris-Morini, E. Cassan, Andzej Kaźmierczak, Domenico Giannone, Benito Sanchez, Amadeu Griol, Daniel Hill, Kristinn B. Gylfason, Hans Sohlström, “High efficiency silicon nitride surface grating couplers”, Int. Conf. on Group IV Photonics, 2007. Thomas Frisk, Niklas Sandström, Lars Eng, Wouter van der Wijngaart, Per Månsson, Göran Stemme, “A miniaturised QCM-based integrated electronic nose system”, MTD, Örebro, 2007 T. Kvisterøy, H. Jakobsen, C. Vieider, S. Wissmar, P. Ericsson, U. Halldin, F. Niklaus, F. Forsberg, G. Stemme, J.-E. Källhammer, H. Pettersson, D. Eriksson, J. Franks, J. VanNylen, H. Vercammen, A. VanHulsel, “Far Infrared Low-Cost Uncooled Bolometer for Automotive Use”, Proc. AMAA 2007 P. Gkotsis, G. Leighton, D. Bhattacharyya, R.V. Wright, M. Zhu, P.B. Kirby, F. Saharil, J. Oberhammer, G. Stemme, “Crystal growth template removal: application to stress reduction in PZT microstructures”, Int. Symp. on Integrated Ferroelectrics 2007 Michael Populin, Adit Decharat, Frank Niklaus, Göran Stemme, “Thermosetting Nano-Imprint Resists: Novel Materials for Adhesive Wafer Bonding”, IEEE Int. Conf. on Micro Electro Mechanical Systems, pp. 239-242, 2007 Adit Decharat, Marc Boers, Frank Niklaus, Göran Stemme, “Novel RoomTemperature Wafer-to-Wafer Attachment and Sealing of Cavities Using Cold Metal Welding”, IEEE Int. Conf. on Micro Electro Mechanical Systems, pp. 385-388, 2007 Frank Niklaus, Christer Jansson, Adit Decharat, Jan-Erik Källhammer, Håkan Pettersson, Göran Stemme, “Uncooled Infrared Bolometer Arrays Operating in a Low to Medium Vacuum Atmosphere: Performance Model and Tradeoffs”, SPIE Infrared Technology and Applications XXXIII 2007 C. Vieider, S. Wissmar, P. Ericsson, U. Halldin, F. Niklaus, G. Stemme, J.-E. Källhammer, H. Pettersson, D. Eriksson, H. Jakobsen, T. Kvisterøy, J. Franks, J. VanNylen, H. Vercammen, A. VanHulsel, “Low-Cost Far Infrared Bolometer Camera for Automotive Use”, SPIE Infrared Technology and Applications XXXIII, 2007, Invited Talk Mikael Sterner, Niclas Roxhed, Göran Stemme, Joachim Oberhammer, “Mechanically Tri-Stable SPDT Metal-Contact MEMS Switch Embedded in 3D Transmission Line”, European Microwave Conf., 2007 Thomas Frisk, Lars Eng, Shaohua Guo, Wouter van der Wijngaart, Göran Stemme, “A miniaturised integrated QCM-based electronic nose microsystem”, IEEE Int. Conf. on Micro Electro Mechanical Systems, 2007 Björn Samel, Patrick Griss, Göran Stemme, “Active liquid aspiration and dispensing based on an expanding PDMS composite”, IEEE Int. Conf. on Micro Electro Mechanical Systems, pp. 565-568, 2007 Niclas Roxhed, Patrick Griss, Göran Stemme, “Tapered deep reactive ion etching: method and characterization”, IEEE Int. Conf. on Solid-State Sensors, Actuators, and Microsystems, 2007
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Mikael Sterner, Niclas Roxhed, Göran Stemme, Joachim Oberhammer, “Mechanically bi-stable in-plane switch with dual-stiffness actuators”, IEEE Int. Conf. on Solid-State Sensors, Actuators, and Microsystems, 2007 Stefan Braun, Joachim Oberhammer , Göran Stemme, “Smart Individual Switch Addressing of 5x5 and 20x20 MEMS Double-Switch Arrays”, IEEE Int. Conf. on Solid-State Sensors, Actuators, and Microsystems, 2007 Stefan Braun, Thomas Grund, Sveinbjörg Ingvarsdottir, Wouter van der Wijngaart, Manfred Kohl, Göran Stemme, “Robust Trimorph SMA Microactuators for Batch Manufacturing and Integration”, IEEE Int. Conf. on Solid-State Sensors, Actuators and Microsystems, 2007 Mikael Sterner, Niclas Roxhed, Göran Stemme, Joachim Oberhammer, “Coplanar-waveguide embedded mechanically-bistable DC-to-RF MEMS switches”, IEEE MTT-S Int. Microwave Symposium, pp. 359–362, 2007 Björn Samel, Niklas Sandström, Patrick Griss, Göran Stemme, “A laterally operating liquid aspiration and dispensing unit based on an expanding PDMS composite”, Micro Total Analysis Systems, pp. 530-532, 2007 Carl Fredrik Carlborg, Tommy Haraldsson, Göran Stemme, Wouter van der Wijngaart, “Reliable batch manufacturing of miniaturized vertical vias in soft polymer replica molding”, Micro Total Analysis Systems, pp. 527-529, 2007 Göran Stemme, “MEMS for Medical Technology Applications”, SPIE Photonics West: MOEMS - MEMS Conference (San José, USA), Invited Key Note speaker.2007 Master ’s Theses
Stefan Hamel, Investigation of novel passive phase shifter concepts in microscale millimeter wave applications Emanuel Remmo, Förbättrad CAN-baserad bränslenivåvisning för lastbilar Sveinbjörg Ingvarsdottír, Investigation of a trimorph bulk SMA microactuator Niklas Sandström, In-Plane Liquid Aspiration with a Thermally Responsive Polymer Composite
Signal Processing Journal Papers
Niclas Björsell, Magnus Isaksson, Peter Händel, Daniel Rönnow, “Kautz- Volterra modelling of analogue-to-digital converters,” Computer Standards and Interfaces Journal, (dec) 2007, in press Joakim Jaldén, Björn Ottersten, “ The Diversity Order of the Semidefinite Relaxation Detector,” IEEE Transactions on Information Theory, (dec) 2007, To appear David Wisell, Björn Rudlund, Daniel Rönnow, “Characterization of Memory Effects in Power Amplifiers Using Digital Two-Tone Measurements,” IEEE Transactions on Instrumentation and Measurement, vol. 56 pp. 2757-2766, (dec) 2007 Daniel Rönnow, David Wisell, Magnus Isaksson, “Three-tone characterization of nonlinear memory effects in radio frequency power amplifiers,” IEEE Transactions on Instrumentation and Measurements, vol. 56 pp. 2646 - 2657, (dec) 2007 David Wisell, Daniel Rönnow, Peter Händel, “A Technique to Extend the Bandwidth of an RF Power Amplifier Test Bed,” IEEE Transactions on Instrumentation and Measurement, vol. 56 pp. 1488 - 1494, (aug) 2007
Bibliography Joakim Jaldén, Björn Ottersten, “On the Maximal Diversity Order of Spatial Multiplexing With Transmit Antenna Selection,” IEEE Transactions on Information Theory, vol. 53 pp. 4273-4276, (nov) 2007 Xi Zhang, Eduard A. Jorswieck, Björn Ottersten, Arogyaswami Paulraj, “User Selection Schemes in Multiple Antenna Broadcast Channels with SINR Constraint,” IEEE Transactions on Signal Processing, (nov) 2007, Submitted Luca De Vito, Henrik Lundin, Sergio Rapuano, “Bayesian Calibration of a Lookup Table for ADC Error Correction,” IEEE Transactions on Instrumentation and Measurement, vol. 56, (no. 3,) pp. 873-878, ( jun) 2007 Isaac Skog, Peter Händel, “Time synchronization errors in GPS-aided inertial navigation systems,” IEEE Transactions on Intelligent Transportation Systems, (oct) 2007, Submitted Isaac Skog, Peter Händel, “State-of-the art and future in-car navigation - a survey,” IEEE Transactions on Intelligent Transportation Systems, (oct) 2007, Submitted Karl Werner, Magnus Jansson, “Estimating MIMO channel covariances from Training Data under the Kronecker Model,” Signal Processing, ( jul) 2007, Submitted Pandu R Devarakota, Marta Castillo-Franco, Romuald Ginhoux, Bruno Mirbach, Serge Kater, Björn Ottersten, “3D Skeleton based Head Detection and Tracking using Range Images,” IEEE Transactions on Vehicular Technology, (dec) 2007 Marc Mowlér, Erik G Larsson, Björn Lindmark, Björn Ottersten, “Joint Estimation of Mutual Coupling, Element Factor, and Phase Center in Antenna Arrays,” EURASIP Journal on Wireless Communications and Networking, vol. 2007, (aug) 2007. Pandu Rangarao Devarakota, Marta Castillo-Franco, Romuald Ginhoux, Bruno Mirbach, Björn Ottersten, “Occupant Classification Using Range Images,” IEEE Transactions on Vehicular Technology, vol. 56 pp. 1983-1993, ( jul) 2007 Pandu R Devarakota, Bruno Mirbach, Björn Ottersten, “Reliability Estimation of a Statistical Classifier,” Pattern Recognition Letters, (oct) 2007, To Appear Xi Zhang, Daniel P. Palomar, Björn Ottersten, “Robust Design of Linear MIMO Transceivers,” IEEE Transactions on Signal Processing, (sep) 2007, To Appear Niklas Jaldén, Per Zetterberg, Björn Ottersten, Laura Garcia, “Inter and IntraSite Correlation of Large Scale Parameters from Macro Cellular Measurements at 1800MHz,” EURASIP Journal on Wireless Communications and Networking, (aug) 2007 Niclas Björsell, Peter Händel, “Histogram Tests for Wideband Applications”, IEEE Transactions on Instrumentation and Measurement, vol. 57 pp. 70-75, ( jan) 2008 Niclas Björsell, Peter Händel, “Achievable ADC performance by post-correction utilizing dynamic modeling of the integral nonlinearity,” EURASIP Journal on Advances in Signal Processing, Vol 2008, ID 497187 Karl Werner, Magnus Jansson, Petre Stoica, “On Estimation of Covariance Matrices with Kronecker Product Structure,” IEEE Transactions on Signal Processing, ( jun) 2007, To Appear David Hammarwall, Mats Bengtsson, Björn Ottersten, “Utilizing the Spatial Information Provided by Channel Norm Feedback in SDMA Systems,” IEEE Transactions on Signal Processing, (may) 2007, Submitted
Cristoff Martin, Alexander Geurtz, Björn Ottersten, “ Statistical Analysis and Optimal Design for Efficient Mobile Satellite Broadcast with Diversity,” IEEE Transactions on Vehicular Technology, (may) 2007, DOI: 10.1109/ TVT.2007.906382 Patrick Svedman, Sarah Kate Wilson, Leonard J. Cimini, Jr., Björn Ottersten, “ Opportunistic Beamforming and Scheduling for OFDMA Systems,” IEE E Transactions on Communications, vol. 55, (no. 5,) pp. 941-952, (may) 2007 Karl Werner, Magnus Jansson, “DOA Estimation and Detection in Colored Noise using Additional Noise-only Data,” IEEE Transactions on Signal Processing, vol. 55 pp. 5309-5322, (nov) 2007 Eduard Jorswieck, Patrick Svedman, Björn Ottersten, “On the Performance of TDMA and SDMA based Opportunistic Beamforming,” IEEE Transactions on Wireless Communications, (mar) 2007, Submitted Joel Grotz, Björn Ottersten, Jens Krause, “Joint Channel Synchronization Under Interference Limited Conditions,” IEEE Transactions on Wireless Communications, vol. 6, (no. 10,) pp. 3781-3789, (oct) 2007 Svante Bergman, Björn Ottersten, “Lattice Based Linear Precoding for Multicarrier Block Codes,” IEEE Transactions on Signal Processing, ( jan) 2007, To appear Patrick Svedman, Eduard Jorswieck, Björn Ottersten, “Reduced Feedback SDMA Based on Subspace Packings,” IEEE Transactions on Wireless Communications, (mar) 2007, Submitted Aydin Sezgin, Eduard Jorswieck, Holger Boche, “Performance Optimization of Open-Loop MIMO Systems With Orthogonal Space–Time Block Codes,” IEEE Signal Processing Letters, vol. 14, (no. 1,) pp. 13-16, ( jan) 2007 Magnus Isaksson, Daniel Rönnow, “A Parameter-Reduced Volterra Model for Dynamic RF Power Amplifier Modeling based on Orthonormal Basis Functions,” Int. J. RF andMicrowave Computer-Aided Eng., vol. 17 pp. 542-551, (nov) 2007 David Hammarwall, Mats Bengtsson, Björn Ottersten, “Acquiring Partial CSI for Spatially Selective Transmission by Instantaneous Channel Norm Feedback,” IEEE Transactions on Signal Processing, ( jan) 2007, To Appear Peter Händel, “Power Spectral Density Error Analysis of Spectral Subtraction Type of Speech Enhancement Methods,” EURASIP Journal on Advances in Signal Processing, vol. 2007 pp. Article ID 96384, 9, ( jan) 2007 Henrik F Lundin, Peter Händel, Mikael Skoglund, “Bounds on the performance of analog-to-digital converter look-up table post-correction”, Measurement, (mar) 2008 Niclas Björsell, Petr Suchanek, Peter Händel, Daniel Rönnow, “Measuring the Volterra kernels of analog to digital converters using a stepped threetone scan”, IEEE Transactions on Instrumentation and Measurement, vol. 57 pp. 666-671, (apr) 2008 Books
Bo Wahlberg, Magnus Jansson, Ted Matsko, Mats Molander, Experiences from Subspace System Identification - Comments from Process Industry Users and Researchers, Modeling, Estimation and Control, Lecture Notes in Information and Control Sciences, (pp. 315-327,) Springer, 2007 Joakim Jalden, Björn Ottersten, Detection Based on Relaxation in MIMO Systems, Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, Idea Group Inc., 2007, To appear Joakim Jalden, Björn Ottersten, Detection Based on Relaxation in MIMO Systems, Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, 2007, To appear
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Bibliography Eduard Jorswieck, Holger Boche, Majorization and Matrix Monotone Functions in Wireless CommunicationsNow publishers, 2007 Conference procedings
David Wisell, Peter Händel, “Implementation Considerations on the Use of Zhu’s general sampling theorem for characterization of power amplifiers,” IEEE Instrumentation and Measurement Technology Conference, pp. 1-4, 2007 David Wisell, Magnus Isaksson, “Derivation of a behavioral RF power amplifier model with low normalized mean-square error,” European Microwave Conference, 2007, pp. 1283 - 1286, 2007 Olav Andersen, Niclas Keskitalo, David Wisell, Patrik Stenvard, “Cost effective high performance modular instrumentation, signal generation and signal analysis for future mobile communication systems,” 2007 IEEE Autotestcon, pp. 660 - 668, 2007 David Wisell, Patrik Stenvard, Anders Hansebacke, Niclas Keskitalo, “Considerations when designing and using virtual instruments as building blocks in flexible measurement system solutions,” Instrumentation and Measurement Technology Conference - IMTC 2007, 2007 Xiaoliang Ma, Magnus Jansson, “Model Estimation for Car-Following Dynamics Based on Adaptive Filtering Approach,” IEEE Intelligent Transportation Systems Conference, pp. 824 - 829, 2007 Sathyaveer Prasad, Prasadh Ramachandran, “Mean Effective Gain Measurements of Mobile Phones using the Telia,” The Conference on RF Measurement Technology for State of The Art Production and Design, 2007, september 11-12 Sathyaveer Prasad, Prasadh Ramachandran, Andres Alayon Glazunov, Claes Beckman, “Evaluation of the Telia Scattered Field Measurement Method for Estimation of In-Network Performance of Mobile Terminal Antennas,” Antenna Measurement Techniques Association(AMTA)-2007,29th Annual Symposium,St.Louis,MO,USA, 2007 David Wisell Magnus Isaksson Niclas Keskitalo, “A General Evaluation Criteria for Behavioral PA Models,” in 69th ARFTG Conf. Dig., Honolulu, HI, USA, pp. 251-255, 2007 David Wisell, Magnus Isaksson, “Derivation of a behavioral RF power amplifier model with low normalized mean-square error,” European Microwave Integrated Circuit Conference, EuMIC 2007, pp. 485-488, 2007 Peter Händel, Niclas Björsell, Magnus Jansson, Samer Medawar, “Modeling the Dynamics of Analog-Digital Converters at Radio Frequency,” The Conference on RF Measurement Technology for State of The Art Production and Design, 2007, September 11-12 Afif Osseiran, Veljko Stankovic, Eduard Jorswieck, Thorsten Wild, Martin Fuchs, Magnus Olsson, “A MIMO framework for 4G systems: WINNER Concept and Results,” IEEE Workshop on Signal Processing Advances in Wireless Communications, 2007 Samer Medawar, Niclas Björsell, Peter Händel, Magnus Jansson, “Dynamic Characterization of Analog-Digital-Converters Non-Linearities,” Proceedings Mosharaka Multi-Conference on Communications, Networking and Information Technology, 2007 Xi Zhang, Daniel Palomar, Björn Ottersten, “Robust MAC MIMO Transceiver Design with Partial CSIT and CSIR,” Proceedings Asilomar Conference on Signals, Systems & Computers, 2007
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Peter von Wrycza, Mats Bengtsson, Björn Ottersten, “Decentralized Dynamic Channel Allocation for MIMO Systems,” Proceedings Asilomar Conference on Signals, Systems & Computers, pp. 1689 - 1693, 2007 Niclas Björsell, Magnus Isaksson, Peter Händel, Daniel Rönnow, “Kautz- Volterra modelling of an analogue-to-digital converter using a stepped three tone excitation,” in Proc. 12th Workshop on ADC Modeling and Testing, Iasi, Romania, pp. 107-112, 2007 Niclas Björsell, Peter Händel, “Post-Correction of Under-Sampled Analog to Digital Converters,” IEEE Instrumentation and Measurement Technology Conference, 2007 Jouni Rantakokko, Peter Händel, “Positioning of incident responders scenarios, user requirements and technological enablers,” Precision Indoor Personnel Location and Tracking for Emergency Responders, Technology Workshop, Worcester Polytechnic Institute, Worcester, MA, August 6-7, 2007 Karl Werner, Magnus Jansson, “Estimation of Kronecker Structured Channel Covariances Using Training Data,” Proceedings European Signal Processing Conference, 2007 Pandu R Devarakota, Marta Castillo, Romuald Ginhoux, Bruno Mirbach, 2007 Björn Ottersten, “Application of the Reeb Graph Techniques to Vehicle Occupant,” Proceedings of IEEE Computer Vision and Pattern Recognition Workshop, 2007 Klaus Schwarzenbarth, Joel Grotz, Björn Ottersten, “MMSE Based Interference Processing for Satellite Broadcast Reception,” Proceedings IEEE Vehicular Technology Conference, Spring, 2007 Marc Mowlér, Erik G. Larsson, Björn Lindmark, Björn Ottersten, “Methods and Bounds for Antenna Coupling Matrix Estimation,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007 Svante Bergman, Björn Ottersten, “Lattice Based Linear Precoding For MIMO Block Codes,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007 Niklas Jaldén, Aihua Hong, Per Zetterberg, Björn Ottersten, Peiner Thomä, “Correlation properties of large scale fading based on Indoor measurements,” IEEE Wireless Communications and Networking Conference (WCNC), 2007 Xi Zhang, Eduard A. Jorswieck, Björn Ottersten, Arogyaswami Paulraj, “User Selection Schemes in Multiple Antenna Broadcast Channels with Guaranteed Performance,” Proceedings IEEE Workshop on Signal Processing Advances in Wireless Communications, 2007 Emil Björnson, David Hammarwall, Björn Ottersten, “Beamforming Utilizing Channel Norm Feedback in Multiuser MIMO Systems,” Proceedings 8th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2007 Joakim Jaldén, Luis G. Barbero, Björn Ottersten, John S. Thompson, “Full Diversity Detection in MIMO Systems with a Fixed-Complexity Sphere Decoder,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007 Eduard Jorswieck, Björn Ottersten, Aydin Sezgin, Arogyaswami Paulraj, “Guaranteed Performance Region in Fading Orthogonal Space-Time Coded Broadcast Channels,” Proceedings IEEE International Symposium on Information Theory, 2007
Bibliography Eduard Jorswieck, David Hammarwall, Björn Ottersten, “Ergodic capacity achieving transmit strategy in MIMO systems with statistical and shortterm norm CSI,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007
Jonathan Nisell, Classification of SAS images - Assessment of pre-processing algorithms to enhance target recognition, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Magnus Isaksson, David Wisell, Anders Eng, Daniel Rönnow, “A Study of a Variable-Capacitance Drain Network,” in 69th ARFTG Conf. Dig., Honolulu, HI, USA, pp. 112-116, 2007
Cristophe Béchet, Non cooperative OFDM Demodulation, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Ingemar Nygren, Magnus Jansson, “FDM and FEM Filters in Terrain Navigation,” The Institute of Navigation: The National Technical Meeting (ION NTM), 2007
Thibault Cossinet, Time-domain scene generation for Pulse Doppler Radar, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Peter Händel, “Cramer-Rao bounds and non-linear least squares for a dual channel sinewave model,” IEEE Instrumentation and Measurement Technology Conference, 2007
Emil Björnson, Beamforming Utilizing Channel Norm Feedback in Multiuser MIMO Systems, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
David Hammarwall, Mats Bengtsson, Björn Ottersten, “Beamforming and user selection in SDMA systems utilizing channel statistics and instantaneous SNR feedback,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007
Technical Report
Karl Werner, Magnus Jansson, Petre Stoica, “Kronecker structured covariance matrix estimation,” Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007 Niclas Björsell, Peter Händel, “Truncated Gaussian noise in ADC histogram tests,” Measurement pp. 36-42, ( jan) 2007 Peter Händel, Niclas Björsell, Magnus Jansson, “Model based dynamic characterization of analog-digital converters at radio frequency,” ISSPA’07 International Symposium on Signal Processing and its Applications, 2007 Master Thesis
Guillaume Millot, Design of an Acoustic Communication System over a Mechanical Structure, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Pia Hansson, Analysis of some methods for deinterleaving of pulse trains, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Alexander Torstling, The Mean Gaze Path: Information Reduction and Non-Intrusive Attention Detection for Eye Tracking, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Gabriel Castellanos, Downlink beamforming with reduced feedback, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Klas Pettersson, New method for circuit breaker diagnostics, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Simon Järmyr, Acoustic Echo Cancellation utilizing Inaudible Training Signals, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm Yi Yao, A far infrared moose early warning driver assistance system - test database, implementation and further extension, Master’s Thesis, Signal, School of Electrical Engineering, Royal Institute of Technology (KTH), Stockholm
Peter Händel, Erik G. Larsson, Mikael Skoglund, Björn Ottersten (2007), ‘Experiences from development of a two-year international master program in wireless systems’, Technical report TRITA-EE 2007:039, Royal Institute of Technology, Stockholm, Sweden Jouni Rantakokko, Peter Händel (redaktörer) (2007), ‘Positionering av krishanteringspersonal vid räddningsinsatser - redovisning av genomfört seminarium’, Technical report TRITA-EE 2007:038, Royal Institute of Technology, Stockholm, Sweden Jouni Rantakokko, Peter Händel, Fredrik Eklöf, Bengt Boberg, Marcus Junered, Dennis Akos, Isaac Skog, Hans Bohlin, Fredrik Neregård, Franz Hoffmann, Daniel Andersson, Magnus Jansson, Peter Stenumgaard (2007), ’Positioning of emergency personnel in rescue operations - possibilities and vulnerabilities with existing techniques and identification of needs for future R&D’, Technical report TRITA-EE 2007:037, Royal Institute of Technology, Stockholm, Sweden Jouni Rantakokko, Peter Händel (2007), ‘Positionering av krishanteringspersonal vid räddningsinsatser - scenarion och användarbehov’, Technical report TRITA-EE 2007:036, Royal Institute of Technology, Stockholm, Sweden
Sound and Image Processing Journal Papers
Barbara Resch, Mattias Nilsson, Anders Ekman, W. Bastiaan Kleijn, “Estimation of the Instantaneous Pitch of Speech”, IEEE Trans. Audio Speech and Language Processing, pp. 813-822, 2007 Mattias Nilsson, W. Bastiaan Kleijn, “On the Estimation of Differential Entropy from Data Located on Embedded Manifolds”, IEEE Transactions on Information Theory, vol. 53, (no. 7,) pp. 2330-2341, ( jul) 2007 Sriram Srinivasan, Jonas Samuelsson, W. Bastiaan Kleijn, “Codebook-based Bayesian speech enhancement for nonstationary environments”, IEEE Trans. Audio, Speech and Language Processing, vol. 15 pp. 441 - 452, (feb) 2007 David Y. Zhao, W. Bastiaan Kleijn, “HMM-based Gain-Modeling for Enhancement of Speech in Noise”, IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 15, (no. 3,) pp. 882-892, (mar) 2007 Jan H. Plasberg, W. Bastiaan Kleijn, “The Sensitivity Matrix: Using Advanced Auditory Models in Speech and Audio Processing”, IEEE Transactions on Audio, Speech and Language Processing, vol. 15 pp. 310-319, ( jan) 2007
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Bibliography Books
Koen Eneman, Arne Leijon, Simon Doclo, Marc Moonen, Jan Wouters, Auditory-profile-based physical evaluation of multi-microphone noise reduction techniques in hearing instruments, Advances in Digital Speech Transmission, Wiley, 2007 W. Bastiaan Kleijn, Principles of Speech Coding, Speech Processing, (pp. 283-306,) Springer, 2007 Volodya Grancharov, W. Bastiaan Kleijn, Speech quality Assessment, Speech Processing, (pp. 83-102,) Springer, 2007 Jan Skoglund, Ermin Kozica, Jan Linden, Roar Hagen, W. Bastiaan Kleijn, Voice over IP: Speech Transmission over Packet Networks, Speech Processing, (pp. 307-330,) Springer, 2007
Master ’s Theses
Carlos Castro, On Speaker Recognition, 2007 Dave Zachariah, Multiple Description Video Coding with Interlaced Iframes Johan Sommerfeld, Image processing and object tracking from singlecamera Gustaf Ullberg, Variable Frame Offset Coding Martin Malhotra, Bayesian Updating of a Radionuclides Contamination Risk Assessment Model
Conference Proceedings
Nicola Vigilante, A Study on Speaker Identity Mapping.
Jan H. Plasberg, W. Bastiaan Kleijn, “Complexity-Constrained Feature Selection for Classification”, IEEE Int. Conf. on Consumer Electronics, Digest of Technical Papers, pp. 1-2, 2007
Space and Plasma Physics
Svante Stadler, Arne Leijon, Björn Hagerman, “An Information theoretic approach to estimate speech intelligibility for normal and impaired hearing”, Interspeech 07, pp. 398-401, 2007
Alexeev, I. I., E. S. Belenkaya, S. Yu. Bobrovnikov, V. V. Kalegaev, J. A. Cumnock, L. G. Blomberg, Magnetopause mapping to the ionosphere for northward IMF, Ann. Geophys., 25, 2615-2625, 2007
W. Bastiaan Kleijn, Alexey Ozerov, “Rate distribution between model and signal”, Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), pp. 243-246, 2007
Annibaldi, Silvia Valeria, A V Ivlev, U Konopka, S Ratynskaia, H Thomas, G Morfill, A Lipaev, V Molotkov, O Petrov, V Fortov, Dust-acoustic dispersion relation in three-dimensional complex plasmas under microgravity, New J. Physics, 9, 327, 2007
Minyue Li, W. Bastiaan Kleijn, “A Low-Delay Audio Coder with ConstrainedEntropy Quantization”, Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), pp. 191-194, 2007 Tiago Falk, Svante Stadler, W. Bastiaan Kleijn, Geoffrey Chan, “Noise Suppression Based on Extending a Speech-Dominated Modulation Band”, Proc. Int. Conf. Spoken Language Processing, pp. 970-973, 2007 Mattias Nilsson, W. Bastiaan Kleijn, “Mutual Information and the speech signal”, Proc. Int. Conf. Spoken Language Processing, pp. 502-505, 2007 Petko Petkov, W. Bastiaan Kleijn, “Improving the Phase Vocoder Approach to Pitch Shifting”, Proc. Int. Conf. Spoken Language Processing, pp. 1985-1988, 2007 W. Bastiaan Kleijn, Minyue Li, “Least Significant Bit Coding of Speech”, Proceedings Asilomar Conference on Signals, Systems & Computers, 2007 Richard Heusdens, W. Bastiaan Kleijn, Alexey Ozerov, “Rate-distortion optimal quantization using a perceptually relevant distortion measure”, Proceedings Asilomar Conference on Signals, Systems & Computers, 2007 Alexey Ozerov, W. Bastiaan Kleijn, “Flexible quantization of audio and speech based on the autoregressive model”, Proceedings Asilomar Conference on Signals, Systems & Computers, 2007 David Y. Zhao, Jonas Samuelsson, Mattias Nilsson, “GMM-based EntropyConstrained Vector Quantization”, Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 1097-1100, 2007 Christian Feldbauer, W. Bastiaan Kleijn, “An adaptive, scalable packet loss recovery method”, Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 1117-1120, 2007 Mattias Nilsson, Barbara Resch, Moo-Young Kim, W. Bastiaan Kleijn, “A canonical representation of speech”, Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 849-852, 2007
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Ermin Kozica, Dave Zachariah, W. Bastiaan Kleijn, “Interlacing Intraframes in Multiple-Description Video Coding”, Proceedings IEEE International Conference on Image Processing, pp. 277-280, 2007
Journal papers
Annibaldi, Silvia Valeria, F Bonomo, R Pasqualotto, G Spizzo, A Alfier, P Buratti, P Piovesan, D Terranova, Strong transport reduction in the helical core of the reversed-field pinch, Phys. Plasmas, 14, 112515, 2007 Annibaldi, Silvia Valeria, Fulvio Zonca, Paolo Buratti, Excitation of betainduced Alfven eigenmodes in the presence of a magnetic island, Plasma Phys. Contr. Fusion, 49, 475-483, 2007 Blomberg, L. G., J. A. Cumnock, K.-H. Glassmeier, R. A. Treumann, Plasma Waves in the Hermean Magnetosphere, Space Sci. Rev., 132 (2-4), 575-591, 2007 Castaldo, C., S. Ratynskaia, V. Pericoli, et al., Diagnostics of fast dust particles in tokamak edge plasmas, Nucl. Fusion, 47, L5-L9, 2007 Dahlgren, Hanna, Per Carlqvist, Gösta Gahm, Filamentary structures in planetary nebulae, Astrophys. Space Sci., 310 (1-2), 65-72, 2007. Eriksson, A. I., R. Boström, R. Gill, L. Åhlén, S.-E. Jansson, J.-E. Wahlund, M. André, A. Mälkki, J. A. Holtet, B. Lybekk, A. Pedersen, L. G. Blomberg, LAP Team, RPC-LAP: The Rosetta Langmuir probe instrument, Space Sci. Rev., 128 (1-4), 729-744, 2007 Fälthammar, Carl-Gunne, “Hannes Alfvén”, Biographical Encyclopedia of Astronomers, 31-32, 2007 Fälthammar, Carl-Gunne, The Discovery of Magnetohydrodynamic Waves, J. Atmos. Solar Terrest. Phys., 69, 1604-1608, 2007 Fälthammar, Carl-Gunne, David Gubbins, Alfvén, H. (1908-1995), Encyclopedia of Geomagnetism and Paleomagnetism, 6-7, 2007 Fälthammar, Carl-Gunne, Forrest Mozer, On the Concept of Motion of Magnetic Field Lines, Eos, 88, 15, 169-170, 2007 Johansson, T., G. Marklund, T. Karlsson, S.Liléo, P.-A. Lindqvist, H. Nilsson, S. Buchert, Scale sizes of intense auroral electric fields observed by Cluster, Ann. Geophys., 25, 2413-2425, 2007
Bibliography Marklund, G., T. Johansson, S. Lileo, T. Karlsson, Cluster observations of an auroral potential and associated field-aligned current reconfiguration, during thinning of the plasma sheet boundary layer, J. Geophys. Res., 112, Number: A01208, 2007 Ohtani, S., H. Korth, P. C. Brandt, L. G. Blomberg, H. J. Singer, M. G. Henderson, E. A. Lucek, H. U. Frey, Q. Zong, J. M. Weygand Y. Zheng, A. T. Y. Lui, Cluster Observations in the Inner Magnetosphere During the 18 April 2002 Sawtooth Event: Dipolarization and Injection at r = 4.6 Re, J. Geophys. Res., 112, A08213, 2007 Orsini, S., L. G. Blomberg, D. Delcourt, R. Grard, S. Massetti, K. Seki, J. Slavin, Magnetosphere-exosphere-surface coupling at Mercury, Space Sci. Rev., 132 (2-4), 551-573, 2007 Raadu, M. A., M. Shafiq, Test charge response for a dusty plasma with both grain size distribution and dynamical charging, Phys. Plasmas, 14, 012105, 2007 Ratynskaia, S., M. De Angeli, U. de Angelis, et al., Observation of the Effects of Dust Particles on Plasma Fluctuation Spectra, Phys. Rev. Lett., 99, 075002, 2007 Ratynskaia, S., R. Kompaneets, A. Ivlev, et al., Transport in strongly coupled two-dimensional complex plasmas: Role of the interaction potential, Phys. Plasmas, 14, 010702, 2007 Schaefer, S., K. H Glassmeier, P. T. I. Eriksson, V. Pierrard, K. H. Fornacon, L. G. Blomberg, Spatial and temporal characteristics of poloidal waves in the terrestrial plasmasphere: a Cluster case study, Ann. Geophys., 25, 1011-1024, 2007 Shafiq, M., M. A. Raadu, Effect of grain charging dynamics on the wake potential of a moving test, Phys. Plasmas, 14, 012102, 2007
Master’s Theses
Arriaga Trejo, Israel Alejandro, Numerical Modelling and Evaluation of the Small Magnetometer in Low-Mass Experiment (SMILE) Backrud, Mikael, Evaluation of the SPEDE instrument on SMART-1 Baselga Bacardit, Marta, Modelling of particle flows in the magnetosphere of Mercury Edberg, Terry, Evaluation and optimization of the SMILE fluxgate magnetometer Jonson, Martin, On density and pressure variations in the solar wind plasma Larsson, Ann-Kristin, Modelling multi-satellite measurements of auroral currents Nordström, Pontus, Ground based observations of Pi2 pulsation in the terrestrial magnetic field Potucek, Michael, Pulsation signatures on SANAE magnetometers Rasch, Joel, Probe Measurements in a Pulsed High Power Sputtering Magnetron Svedberg, Oskar, Automatic detection of ULF waves in Cluster data Victorin, Amalia, Multi-Taper Method for Spectral Analysis and Signal Recontruction of Solar Wind Data Wedlund, Mea, Airglow OH(8,3) rotational temperatures Svalbard (78N) 2003 Xu, Yiwen , Frequency Analysis of Low-Frequency Field Fluctuations Detected by the Cluster Satellites
Vaivads, A., A. I. Eriksson, M. André, L. G. Blomberg, J.-E. Wahlund, S. D. Bale, Low frequency electric field and density fluctuation measurements on Solar Orbiter, Adv. Space Res., 39, 1504-1511, 2007 Conference procedings
Arriaga, Israel, Nickolay Ivchenko, Göran Olsson, Monica Alaniz, Serhiy Belyayev, Andriy Marusenkov, SMILE – a minitiarized flux-gate magnetometer, ESA-SP-647, 569-572, 2007 Bale, Stuart D., Milan Maksimovic, Andris Vaivads, Mats André, Lars Blomberg, Antenna design considerations for the radio and plasma wave (RPW) experiment on Solar Orbiter, ESA SP-641, 2007 Feldstein, Y.I., A. Prigancova, V.G. Vorobjev, J.A. Cumnock, G.V. Starkov, O.I. Yagodkina, L.G. Blomberg, High-latitude electrojets and auroral luminosity and auroral particle precipitations “Physics of Auroral Phenomena”, Proc. XXX Annual Seminar, Apatity, 55-59, 2007 Gromova, L. I., J. A. Cumnock, L. G. Blomberg, S.Eriksson, A. E. Levitin, Y. I. Feldstein, High-Latitude Ionospheric Convection Patterns Dependent on the IMF Orientation, “Physics of Auroral Phenomena”, Proc. XXX Annual Seminar, Apatity, 64-68, 2007 Ivchenko, Nickolay, Lars Bylander, Göran Olsson, fast deployment of booms without residual oscillations, ESA-SP-647, 211-216, 2007 Larsson, Stefan, Felix Ryde, Nickolay Ivchenko, Mark Pearce, Studies of auroral X-ray backgrounds for high latitude balloon astrophysical experiments, ESA-SP-647, 513-516, 2007
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