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Newsletter
May 2003
1. Personals
1.1 New email convention for the Univ of Illinois
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New email convention for the Univ of Illinois
Contributed by: Mark W. Spong, mspong@uiuc.edu
In this time of difficult budget cuts, the University of Illinois
administration has decided to spend considerable amount of funds on a new
integrated software system. One of its main features is that it does not
allow hyphens in email addresses.
My new email address is mspong@uiuc.edu. Please update your address books.
Other colleagues at Illinois will have the same problem if their email
address contains a hyphen.
Mark W. Spong
Coordinated Science Lab
University of Illinois
1301 W. Main St.
Urbana, IL 61801
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2. Awards Honors
2.1 Call for Nominations: INFORMS John von Neumann Theory Prize
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Call for Nominations: INFORMS John von Neumann Theory Prize
Contributed by: David D. Yao, yao@columbia.edu
The John von Neumann Theory Prize is widely considered as the most
prestigious award given by the Institute for Operations Research and the
Management Sciences (INFORMS).
Refer to http://www.informs.org/Prizes/vonNeumannPrize.html for more details.
The von Neumann Prize Committee is currently seeking nominations, which
should be in the form of a letter addressed to the prize committee chair
(below), highlighting the nominee's accomplishments. Although the letter need
not contain a detailed account of the nominee's research, it should document
the overall nature of his or her contributions and their impact on the
profession, with particular emphasis on the prize's criteria. If available,
please attach the nominee's curriculum.
Nominations should be submitted as soon as possible, but no later than
September 15.
Committee Chair:
David D. Yao
IEOR Dept, Columbia University
500 W. 120 St, New York, NY 10027, USA
email: yao@columbia.edu
voice: +1 212-854-2934
fax: +1 212-854-8103
Committee Members: Alan J. Hoffman, Lawrence M. Wein
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2.2 SIAM Outstanding Paper Prize
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SIAM Outstanding Paper Prize
Contributed by: Xun Yu Zhou, xyzhou@se.cuhk.edu.hk
A paper co-authored by David Yao, Shuzhong Zhang and Xun Yu Zhou,
"Stochastic Linear-Quadratic Control via Semidefinite Programming,"
SIAM Journal on Control and Optimization, vol 40 (2001), 801-823,
has been selected as a winner for this year's SIAM Outstanding Paper Prize
(to be awarded at the SIAM Annual Meeting in Montreal, June 16-20, 2003).
The SIAM Outstanding Paper Prizes were introduced in 1999, and are awarded
annually. Three winners were selected each year among all the papers
published in the 13 SIAM journals in the four years prior to the year of the
award.
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3. General Announcements
3.1 New Director: CCEC UC Santa Barbara
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New Director: CCEC, UC Santa Barbara
Contributed by: Petar Kokotovic, petar@ece.ucsb.edu
At the 12th anniversary of the Center for Control Engineering and
Computation, Petar Kokotovic transferred his responsibilities to the new
leadership team:
Andy Teel, ECE, Director (teel@ece.ucsb.edu)
Frank Doyle, ChemE, Assoc. Director (doyle@engineering.ucsb.edu)
Mustafa Khammash, MEE, Assoc. Director (khammash@engineering.ucsb.edu)
Please update your contact list accordingly. Petar will continue his
regular teaching and research activities.
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3.2 New release of Munorm and Robpole M-Files
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New release of Munorm and Robpole M-Files
Contributed by: Andre Tits, andre@umd.edu
We are pleased to announce the release of version 1.2 of Munorm and
version 1.4 of Robpole. Both packages can now be obtained freely, for
noncommercial use, from the SLICOT site at http://www.win.tue.nl/niconet/
using the link "Additional software."
The new versions are more robust (especially Munorm) and faster (especially
Robpole) than the previous versions, and Munorm also includes a few minor
enhancements. In addition, a number of bugs have been fixed. The new
versions are authored by Y. Yang, A.L. Tits and V. Sima (Robpole) and
by C.T. Lawrence, A.L. Tits and V. Sima (Munorm).
As with the previous versions, Munorm 1.2 computes the maximum over
frequency (continuous-time or discrete-time) of the standard
"convex" upper bound to the structured singular value of a finite
dimensional transfer function. It handles both dynamic and parametric
uncertainty. The algorithm builds on a well-known algorithm for
computing the H-infinity norm and is described in
C.T. Lawrence, A.L. Tits and P. Van Dooren, Automatica, 36:3, 2000, 449-456.
The algorithm appears to be significantly faster than competing
approaches, often by more than an order of magnitude.
Robpole 1.4 still tackles the problem of multivariable robust pole
placement by linear static state feedback. The algorithm builds on
an earlier one due to Kautsy, Nichols and Van Dooren (KNV), implemented
in the Matlab Robust Control Toolbox as "place". It is described in
A.L. Tits and Y. Yang, IEEE TAC, 41:10, 1996, 1432--1452.
Systematic numerical tests carried out in that paper suggest that this
algorithm typically produces a more robust design than that constructed by
"place" especially when some of the prescribed eigenvalue are complex.
(The algorithm as originally proposed by KNV does not handle
complex eigenvalue assignment, but its implementation as "place"
does, in an ad hoc fashion.)
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3.3 Registration closed: DISC Summer School on Hybrid Systems NL
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Registration closed: DISC Summer School on Hybrid Systems, NL
Contributed by: Bart De Schutter, b.deschutter@dcsc.tudelft.nl
In the eletter of April we announced the DISC Summer School on
"Modeling and Control of Hybrid Systems"
June 23 to 26
Velthoven, The Netherlands
http://www.dcsc.tudelft.nl/~disc_hs/
As the maximum number of participants (80) has been reached, we would
like to like to thank you for your interest and announce that the
registration for this Summer School has been closed.
B. De Schutter (Delft University of Technology, The Netherlands)
W.M.P.H. Heemels (Eindhoven University of Technology, The Netherlands)
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3.4 Rraining course: Model Based Control
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Rraining course: Model Based Control
Contributed by: Hans Eder, hans.eder@act-control.com
MODEL BASED CONTROL
October 20-22, 2003, Brussels / Antwerp
Belgium.
Students with control experience learn to develop surprisingly simple yet
high performing and robust single- and multivariable controls in short
time. Besides, they will able to select the most suited technology and
vendor where needed. The course is fully practice oriented and easy to
follow, with many examples of successful applications but also pitfalls
and their resolutions. Many realistic PC exercises with our award winning
tool TOPAS deepen the understanding. All work is done in small groups
with an exceptionally experienced instructor.
Main Topics: Motivation for Model Based Predictive Control, application
areas and criteria for use, model types and selection criteria, the main
approaches and selection criteria, plant tests and test signals, process
parameter identification / validation / refinement, closed loop control
and dynamic model updating, handling of process changes, model errors,
non-linearities, model based feedforward, constraint, multivariable
control, Application design and implementation, operator interface,
economics.
For more information see
http://www.act-control.com
or contact
Hans H. Eder
ACT - Brussels office,
Phone & fax (+32)-2-767-0895,
e-mail: actgmbh@compuserve.com
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3.5 Seminar: Advanced Coriolis Mass Flow Metering
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Seminar: Advanced Coriolis Mass Flow Metering
Contributed by: Alison Hardy, ahardy@iee.org.uk
One day seminar
Dept of Engineering Science, University of Oxford, Oxford, UK
8 July 2003
This event hosted by the IEE Control and Automation Professional Network
(http://www.iee.org/oncomms/pn/controlauto/) aims to bring academics,
suppliers, users and system integrators with an interest in advanced CMFM, to
review recent developments and identify future research directions.
Full details of the event and registration can be found at
http://www.iee.org/events/coriolis.cfm
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3.6 Summer School: Normal forms Bifurcations and Chaos
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Summer School: Normal forms, Bifurcations and Chaos
Contributed by: Djemai Mohamed, djemai@ensea.fr
Normal forms, Bifurcations and Chaos In Automatic:
From theory Towards applications
8-12 September 2003
Ecole Centrale de Lille, Villeneuve-d'Ascq, France
Scope:
· to cover the basic theory and tools necessary for the study of Chaotic
systems to bring together researchers of different engineering area who are
interested in chaotic systems
· to promote the recent theoretical developments on chaos control for
practical and industrial applications
· to introduce some new concepts of modern control theory dedicated to
chaotic systems study
· to encourage new persons contacts and exchanges ideas for further works.
· to highlight the usefulness of the control theory in the synchronisation of
chaotic system and consequently into secure data transmission.
The courses will be illustrated by practical sessions going from academic to
industrial examples. Potential audience include Graduate students, engineers,
researchers, consultants, who are interested in improving their understanding
of chaotic systems.
Language: English/French.
Lecturers: J.P. Barbot (F), J. Daafouz (F), M. DjEmai (F), J-P. Gauthier (F),
B. Hamzi (USA), W. Kang (USA), A. Krener (USA), L. Larger (F), L. Laval (F),
G. Millerioux (F), C. Mira (F), H. Nijmeijer (NL), R. Ortega (F),
W. Respondek (F), I. Tall (USA), R. Tauleigne (F), C. Dang-Vu (F),
W. Perruquetti (F), S. Ramdani (F), R. Quere (F)
For further information contact or visit website below:
Secretarial Office: International school of Automatic of Lille,
Ecole Internationale d’Automatique de Lille,
LAIL UMR CNRS 8021,
Ecole Centrale de Lille,
Cité Scientifique, BP48,
59 651 Villeneuve d’Ascq, CEDEX,
FRANCE
Tel: +33 (0)3 20 33 54 50
Fax: +33 (0)3 20 33 54 18
http://www.ec-lille.fr/lisac
Email: wilfrid.perruquetti@ec-lille.fr
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3.7 The Fusion of Mechanism and Control
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The Fusion of Mechanism and Control
Contributed by: Alison Hardy, ahardy@iee.org.uk
The Fusion of Mechanism and Control: Super-Mechano Systems
The 2003 IEE Tustin/UKACC Lecture and Dinner
8 May 2003
IEE Savoy Place, London, UK at 18.00 hours GMT
Website: http://www.iee.org/events/tustin.cfm
For one year only the most prestigious events in the IEE Control and
Automation Professional Network and UKACC calendars have been combined into
a single world class event with a world class speaker.
Don't miss this opportunity to hear Prof Katsuhisa Furuta of Denki
University, Japan speak on the subject of Super-Mechano Systems and also
touch on his work on robots to clear landmines in Afghanistan.
The Lecture is open to everyone and is free of charge. The dinner afterwards
is optional and there will be a charge for this.
The Lecture will also be broadcast live over the internet and selected
excerpts will be available for viewing afterwards on the IEE Control and
Automation Professional Network website at http://www.iee.org/pn
Full details of the event and registration can be found at
http://www.iee.org/events/tustin.cfm
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3.8 Training course: Applied Control Techniques
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Training course: Applied Control Techniques
Contributed by: Hans Eder, hans.eder@act-control.com
APPLIED CONTROL TECHNIQUES
October 13 - 17, 2003
Brussels / Antwerpen,
Belgium.
Newcomers gain extensive, sound knowledge in the practical and most
effective use of standard and advanced techniques and experienced users
the extra know-how for handling complex and difficult situations and to
achieve better performance in shorter time. The course is fully practice
oriented and delivers exceptional know-how in an easy understandable way,
with many examples of successful applications but also pitfalls and their
resolutions. It covers also special, little known techniques that are
simple but powerful. Many realistic PC exercises with our award winning
software TOPAS deepen the understanding. All work is done in small groups
with an exceptionally experienced instructor.
Main topics: Process dynamics, measurements & signals, sampling &
filtering, basic control concepts. PID principles - configuration -
tuning (load/setpoint, tight/average level control), single loop vs.
cascade control, advanced PID topics, feedforward-, constraint-,
multivariable- , inferential control, RGA, introduction to model based
control, optimization. Incentive calculation, application design and
implementation, performance analysis.
For more information see
http://www.act-control.com
or contact
Hans H. Eder
ACT - Brussels office,
Phone & fax (+32)-2-767-0895,
e-mail: actgmbh@compuserve.com
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3.9 Training course: Model Based Control
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Training course: Model Based Control
Contributed by: Hans Eder, hans.eder@act-control.com
MODEL BASED CONTROL
October 20-22, 2003, Brussels / Antwerp
Belgium.
Students with control experience learn to develop surprisingly simple yet
high performing and robust single- and multivariable controls in short
time. Besides, they will able to select the most suited technology and
vendor where needed. The course is fully practice oriented and easy to
follow, with many examples of successful applications but also pitfalls
and their resolutions. Many realistic PC exercises with our award winning
tool TOPAS deepen the understanding. All work is done in small groups
with an exceptionally experienced instructor.
Main Topics: Motivation for Model Based Predictive Control, application
areas and criteria for use, model types and selection criteria, the main
approaches and selection criteria, plant tests and test signals, process
parameter identification / validation / refinement, closed loop control
and dynamic model updating, handling of process changes, model errors,
non-linearities, model based feedforward, constraint, multivariable
control, Application design and implementation, operator interface,
economics.
For more information see
http://www.act-control.com
or contact
Hans H. Eder
ACT - Brussels office,
Phone & fax (+32)-2-767-0895,
e-mail: actgmbh@compuserve.com
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4. Positions
4.1 Control Engineers PGT Melbourne Australia
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Control Engineers, PGT, Melbourne, Australia
Contributed by: Ir. Jaap Overschie, jaap_overschie@pgt.com.au
Control/Mechatronics Engineers
Pacifica Group Technologies
Melbourne, Australia:
CONTROL SYSTEMS DESIGN ENGINEER (Mechanical Dynamic Systems, X-by-Wire)
CONTROL SYSTEMS DESIGN ENGINEER (ABS/Vehicle Stability Program, X-by-Wire)
GRADUATE MECHATRONICS ENGINEER (X-by-Wire)
PGT is a partner in the Research Centre for Advanced by-wire Technologies
(RABiT). There are two primary nodes to RABiT: A vehicle dynamics laboratory
at PGT in East Bentleigh, Melbourne, Australia and an educational /
simulation laboratory for seed-research, education and collaborative work in
mechatronics at the University of Melbourne City campus.
While the initial focus is on brake technologies, in the medium term, PGT
will seek to apply these same skills to broader drive-by-wire technologies
and, beyond that again, to other industry sectors.
PGT's remarkable success in automotive by-wire development and in new
materials and new process developments has enabled the Group to secure the
first of many expected international technology contracts. This has in turn
created the need for a number of additional specialist design/development
and technical appointments:
CONTROL SYSTEMS DESIGN ENGINEER (Mechanical Dynamic Systems)
Ref No: 2003-CSS-RF107
This role will play a direct part in modeling and simulation of mechanical
dynamic systems, controller and estimator design (e.g. multi sensor data
fusion), actuator design, sensor modeling, and numerical fixed-point
implementations of controllers and estimators on embedded systems using
automated code generation.
CONTROL SYSTEMS DESIGN ENGINEER (ABS/Vehicle Stability Program)
Ref No: 2003-CSS-RF108
This specialist role will work on state machine, controller design and
implementation of solutions to operational issues involving ABS and Vehicle
Stability Program. It requires knowledge of the regulations, standards and
guidelines applying to ABS, Vehicle Stability Program and by-wire technology
or an equivalent field such as avionics stability and controls and by-wire
technology.
Criteria:
Selection for both positions requires a higher degree (MSc, PhD) qualified
Control Systems Engineer in mechanical, avionics or electrical engineering
or physics/applied mathematics.
It requires an understanding of mathematical (robust) control theory and
estimator design. Specific skills in the modeling of dynamic systems such as
system identification in closed loop and open loop and some knowledge of
electronics is appreciated.
GRADUATE MECHATRONICS ENGINEER
Ref: 2003-CSS-RF109
This will involve modeling and simulation of mechanical dynamics systems for
drive-by-wire brake applications, estimator design, actuator design and
sensor modeling and implementations.
It requires degree qualifications in mechatronics or other appropriate
degree including physics or applied mathematics. You offer skills in the
use of Matlab/Simulink/Stateflow and automated code generation for embedded
platforms and specific knowledge of electronics and interface techniques,
programming techniques and real time applications.
The positions will give exposure to state of the art development tools such
as automated code generation and simulation using the full Mathworks suite,
dSPACE, DOORS, UCM, UML, RUP and formal verification tools for the
development of safety critical systems.
You will offer highly developed skills in project management, a genuine
interest in product innovation, self-starting attributes and a natural
inclination for teamwork.
PGT is located in East Bentleigh, 20 minutes from Melbourne City centre,
Victoria, Australia. Melbourne and Victoria offer a unique lifestyle and
Melbourne has recently been elected most livable city in the world.
For more information and applications please contact:
Russell Finlay
Email: apply@finlaypartners.com.au
Telephone: +61.(0)3 9832 0622
Facsimile: +61.(0)3 9832 0623
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4.2 Faculty: University of Illinois USA
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Faculty: University of Illinois, USA
Contributed by: Mark W. Spong, mspong@uiuc.edu
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
International Programs and Studies
Arms Control, Disarmament and International Security
The University of Illinois at Urbana-Champaign invites applications for an
open-rank tenure-track faculty position in the area of technology and
international peace and security. The appointment will be made in a science
or engineering department that corresponds to the chosen candidate’s
experience and interests. In addition to having teaching responsibilities
and a research program in the home discipline, the appointee will be a member
of the faculty of Program in Arms Control, Disarmament, and International
Security and will be expected to interact through interdisciplinary teaching,
research, and outreach to the public with faculty and students of the
university who are engaged in peace and security policy studies.
Qualifications
• Ph.D. in a technical discipline and a demonstrated interest in public
policy
• Applications are particularly sought from individuals who have knowledge
and experience in one or more of the following areas: chemical and
biological agents; cyberwarfare and cybersecurity; aerospace systems;
nuclear security; transportation security; and systems analysis.
Salary
Commensurate with experience and qualifications
Starting Date
As early as August 21, 2003
Application Process
Interested individuals should submit a letter of application accompanied by
a CV, a statement of research interests, three illustrative research
publications, and the names and addresses of four references.
Search #8666
Associate Provost for International Affairs
University of Illinois at Urbana-Champaign
302 International Studies Building
910 S. Fifth Street, MC-480
Champaign, IL 61820
217-333-0876
email: ips@uiuc.edu
Applications will be accepted up to the time the position is filled.
The University of Illinois at Urbana-Champaign is an Affirmative Action,
Equal Opportunity Employer -- Women and Minorities are encouraged to apply.
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4.3 Jet Engine Controls Egr: Belcan Engineering USA
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Jet Engine Controls Egr: Belcan Engineering, USA
Contributed by: Bert Baker, bert.baker@belcan.com
We are looking for controls engineers at all levels (BS, MS, PhD). Current
needs are to support our clients in the Jet Engine Controls Business, though
future work could be with any of our clients in Embedded Systems and
Controls.
Positions are to work on the controls for the Joint Strike Fighter, next-
generation controls electronics and software for current jet engines, and
control systems for new and updated jet engines (commercial, military and
industrial).
Candidates with experience in jet engine controls systems sensors and
actuators (e.g. fuel systems) are also being sought. Current positions are
in our Cincinnati, Ohio; and Lynn, Massachusetts offices.
Because of export restrictions on jet engine controls technology, only US
Citizens or Permanent US Residents are eligible for these positions. Because
of the advanced technical nature of this work, we are also very selective in
our hiring. These are full-time, continuing positions.
Resumes can be sent to Bob Yeigh, byeigh@belcan.com.
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4.4 Ph.D.: University of Texas Dallas USA
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Ph.D.: University of Texas, Dallas, USA
Contributed by: Raimund J. Ober, obers@airmail.net
Ph.D. positions are available to work on bioengineering problems
in joint NIH funded projects with Prof. E.S. Ward at UT Southwestern
Medical Center at Dallas.
The projects aim to develop novel image processing and data analysis
methods for fluorescence microscopy live cell experiments (including
single molecule detection) and surface plasmon resonance experiments
for the analysis of protein-protein interactions. No prior knowledge
of these techniques is required. However, a strong technical background in
engineering or mathematics is desirable and a keen interest in getting
involved in bioengineering related research is necessary. A number of the
proposed techniques make use of advanced system theoretic ideas.
The positions will provide the opportunity to not only work on projects
of significant technical interest but also to become familiar with the
fundamental biological questions that are being addressed in the laboratory.
Please send inquiries (resume, names of referees etc.) to
Prof. Raimund J. Ober
Department of Electrical Engineering EC33
University of Texas at Dallas
Richardson, TX 75083
USA
email: ober@utdallas.edu
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4.5 PhD: EPFL Switzerland
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PhD: EPFL, Switzerland
Contributed by: Alireza Karimi, alireza.karimi@epfl.ch
The Automatic Control Laboratory of the Swiss Federal Institute of Technology
in Lausanne (EPFL) invites applications for one PhD position available
immediately.
The Automatic Control Laboratory (http://lawww.epfl.ch/) is a
multidisciplinary teaching and research unit that includes two professors, a
senior lecturer, 3 research associates, about 15 doctoral candidates, as well
as technical and administrative supporting staff. Research and computing
facilities are of the highest standard.
The research project is aimed to develop algorithms for robust control
synthesis of linear SISO systems with parameter uncertainty using convex
optimization. The project is financially supported by the Swiss National
Science Foundation and the PhD student will be employed by EPFL during his/her
thesis.
The candidate should have a MSc. or another equivalent degree in electrical or
mechanical engineering with strong background in mathematics and feedback
control theory. To apply for the position, send via e-mail or regular mail
your curriculum vitae including:
* List of the courses taken with the corresponding grades
* List of three professional references with phone, postal and
e-mail addresses
* Short letter stating professional objectives and the motivation
for applying at EPFL.
to:
Laboratoire d'Automatique
EPFL , Bat. ME
CH-1015 Lausanne
Switzerland
Fax : +41 21 693 2574
E-mail: ruth.benassi@epfl.ch
Review of applications will begin on May 19, 2003 and will continue until the
position is filled.
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4.6 PhD: Oklahoma State Univ USA
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PhD: Oklahoma State Univ, USA
Contributed by: Rafael Fierro, rfierro@okstate.edu
Graduate Research Fellowships in Multi-Vehicle Coordination
Multi-Vehicle Coordination
Oklahoma State University
School of Electrical and Computer Engineering
Applications at the Ph.D., level are solicited from students interested in
Intelligent Multi-Robot Systems. This research program addresses issues in
the design, multi-sensor integration, rapid deployment, reconfiguration,
communication, cooperation and coordination between autonomous vehicles.
Applicants are expected to have a strong background and interest in one or
more of the following areas: Hybrid and Embedded Systems, Controls, Machine
Learning, Robotics, and Computer Vision. Strong programming skills (C++ and
Matlab) are a definite plus.
Informal inquiries about the positions may be made either by email or phone
(+1 405 744 1328).
Please send, preferably in electronic form (PS, PDF or plain text): CV,
transcripts, a statement of research interests, list of publications, and
the names and contact information of two academic referees to:
Dr. Rafael Fierro
Oklahoma State University
School of Electrical and Computer Engineering
202 Engineering South
Stillwater OK 74078-5032
Tel. (405) 744 1328
Fax (405) 744 9198
e-mail: rfierro@okstate.edu
http://rfierro.okstate.edu/marhes/
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4.7 PhD: University of Leicester UK
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PhD: University of Leicester, UK
Contributed by: Matthew Turner, mct6@le.ac.uk
Control and Instrumentation Group,
Department of Engineering,
University of Leicester,
Leicester, UK.
Applications are invited for a three-year PhD studentship in the area of
pilot-induced-oscillation control. The project involves the analysis of
systems involving saturation and rate-limits and the application of this
analysis to aerospace systems. The research, which is funded by EPSRC, will be
carried out in close co-operation with Professor Ian Postlethwaite and
Dr. Matthew Turner, and with additional support from the European aerospace
group, GARTEUR.
Two further three-year PhD studentships are also available in the general area
of aerospace systems (modelling and control), and will be carried out in
collaboration with industry.
Successful applicants will join an RAE 5A-rated department and will be able to
benefit from the group's significant technical and industrial experience. In
addition, they will be able to take advantage of the group's state-of-the-art
flight simulator in their research.
Applicants must have at a least a 2.1 honours degree (or equivalent) in
electrical engineering or a related subject, and must have strong mathematical
skills. In addition, candidates must be able to carry out detailed simulation
studies and have good time management skills. Some experience of advanced
control systems and exposure to Matlab would be an advantage.
The studentships will cover all fees and a tax-free maintenance grant of at
least BP 9000 per year.
Informal enquiries about the studentships may be made to Dr. Matthew Turner
(mct6@le.ac.uk). Applicants should send a CV, including the names and
addresses of two referees, to reach Mrs. Maureen Strange at the above address
by Friday 30th May 2003.
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4.8 Post-Doc: ENSICA France
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Post-Doc: ENSICA, France
Contributed by: Joel Bordeneuve-Guibé, joel.bordeneuve@ensica.fr
MOVING BASE SIMULATOR in AERONAUTICS
The installation of means of piloted simulations induce the recurring
question of the choice between fixed base simulators and moving base
simulators. The experience has shown that one could do without the moving
base simulator, knowing that this one induces important over costs for
installation and maintenance. Further, the relevance of the tests on moving
base simulators strongly depends on the "adjustment" of the cabin movement
and its environment (sound and visual).
The proposed work has three objectives:
- to build an opinion on the utility of a moving base simulator (and the
associated traps) for the design and the validation of the control systems.
- to prepare to the adaptations of the control system design process, to
prepare to the evolutions of the analysis technologies for piloted
simulations.
- to apprehend the performances and characteristics of moving base
simulators base classically used in the world of pilots training.
It is asked an exhaustive investigation into the simulators themselves,
especially into the impact of the use of this kind of simulator on the
industrial process (development, validation, certification, evolution of the
calculators and the exploitation). This work will result first in carrying
out a bibliographical study and synthesis, and second in meeting experts and
restoring their opinions (test pilots, pilots, engineers specialized in
simulators).
Candidates should have a strong background in aeronautics (control, flight
dynamics, etc…). The desired start date is June 1st of 2003 and the duration
is six months. To apply, send a CV, a statement of research interests, list
of publications, and the names and addresses (including e-mail) of
references to: joel.bordeneuve@ensica.fr
Contact : Dr Joel Bordeneuve-Guibé
ENSICA, Dpt of Avionics & Systems
1, place Emile Blouin
F-31056 Toulouse, France
Phone : (+33) 561 61 86 24 fax : (+33) 561 61 86 86
joel.bordeneuve@ensica.fr
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4.9 Post-Doc: National University of Singapore Singapore
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Post-Doc: National University of Singapore, Singapore
Contributed by: Ben M. Chen, bmchen@nus.edu.sg
Two postdoctoral research fellow positions are available in the Department
of Electrical and Computer Engineering, National University of Singapore,
Republic of Singapore. The applicants are expected to have very strong
background and experience in the areas related to modeling of aerodynamics
of flying vehicles and implementation of flight control systems. Both
appointments will be offered on a yearly basis tenable up to three years.
For more information please send a detailed resume to: Prof. Ben M. Chen,
Department of Electrical and Computer Engineering, National University of
Singapore, 4 Engineering Drive 3, Singapore 117576, Email: bmchen@nus.edu.sg
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4.10 Post-Doc: Univ Autonoma de Barcelona Spain
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Post-Doc: Univ Autonoma de Barcelona, Spain
Contributed by: Enric Marti, ryc@cvc.uab.es
FIVE POSTDOCTORAL POSITION on COMPUTER VISION AT
COMPUTER VISION CENTER - CVC
UNIVERSITAT AUTONOMA DE BARCELONA - SPAIN
The Spanish Ministery of Science and Technology (Ministerio de Ciencia y
Tecnologia) offers the possibility of joining research groups by means of
5 year postdoctoral positions (CANDIDATE MUST BE PhD at February 2003).
The CVC has been choosen as one of those groups which may receive FIVE
researchers who fulfil the conditions established in the call.
Main features of the offered positions are:
- 5 years contract
- 29.925,84 Euros the first year gross
- 6.000 additional Euros the first year for travel costs, computing
equipment, etc.
- Social security included
Complete information or FAQ's of Ramon y Cajal Program may be found
from Spanish Ministery website at http://www.mcyt.es/cajal/default.htm
or contacting by email: info@mcyt.es
DEADLINE TO SEND PROPOSALS TO SPANISH MINISTERY: 6th MAY
People interested must send the CV and the proposal of the research
activity at CVC by surface or E-mail:
Computer Vision Center
Edifici O - Campus UAB
08193 BELLATERRA (Barcelona)
E-mail: ryc@cvc.uab.es
CVC is currently developing research and development projects about Computer
Vision:
- Computer Vision methods: Neural Nets, PCA, ISA, etc.
- Texture and Color Analysis
- Graphics Recognition
- Biomedical image analysis
- Tracking
- Video image analysis
Main results and additional information of the group may be found at
http://www.cvc.uab.es/
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4.11 Post-Doc: University College Dublin Ireland
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Post-Doc: University College Dublin, Ireland
Contributed by: Conor Heneghan, , conor.heneghan@ucd.ie
Postdoctoral Researcher (Two-Year Appointment from June 2003)
A postdoctoral position is available in the area of multicarrier
communications at the Digital Signal Processing Research Group in the
Department of Electronic and Electrical Engineering at University College
Dublin, Ireland. This position is funded under a Science Foundation Ireland
Fellowship grant. Candidates with strong backgrounds in digital signal
processing for communications, information theory, or related fields are
encouraged to apply. Topics of current interest include reduction of peak-to-
average ratio for multicarrier schemes, novel power, bit, or spectral loading
algorithms, and novel transmultiplexer structures.
The Digital Signal Processing Research Group is a research centre within the
Department of Electronic and Electrical Engineering at UCD. The Department
has a complement of 17 permanent full-time academic staff, and is located in
a modern well-equipped building on UCD's main campus situated in Belfield.
Extensive computing and laboratory facilities are available, including access
to a super-computer facility. There are about sixty graduate students in the
Department studying for PhD and MEngSc degrees.
Candidates must have an earned PhD degree from an accredited university,
together with a record of publication in peer-reviewed journals and
conferences. Salary will be commensurate with experience. Interested
candidates are encouraged to submit their resumes and the
names of three referees to:
Dr. Conor Heneghan
Department of Electronic and Electrical Engineering
University College Dublin
Belfield, Dublin 4
IRELAND
Email: conor.heneghan@ucd.ie
http://eleceng.ucd.ie
before June 1st, 2003. UCD is an equal opportunities employer.
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4.12 Post-Doc PhD: ETH Switzerland
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Post-Doc, PhD: ETH, Switzerland
Contributed by: Stan Pietrzko, stanislaw.pietrzko@empa.ch
The Department Acoustics of the EMPA (Swiss Federal Laboratories for
Materials Testing and Research), is pleased to announce the availability of
Summer Vacation Scholarships for 2003-2004. The aim of the scholarships is to
provide students with an opportunity to undertake supervised research in an
area relevant to their proposed 4th year program. Additionally we are looking
for outstanding graduate students for PhD studies in collaboration with the
ETH (Swiss Federal Institute of Technology - Zurich) and post-doctoral
candidates in all areas of research as listed below:
Smart/Intelligent Piezoelectric Materialsystems and Powering Electronics
Active Noise and Vibration Control
Adaptronics - Adaptive Structures
Control Systems Design, Development and Implementation
For the Postdocs positions we are looking for a candidates with a PhD degree
in electrical, mechanical or aerospace engineering and a thorough knowledge
of applied mathematics and mechanics, especially in the field of dynamics
and/or multi-body dynamics and advanced FEM modelling. Knowledge of control
system and affinity with practical control system implementation on DSPs is
recommended.
For the PhD studies positions we would prefer candidates having a master
degree and a solid background in applied mathematics, systems and control
theory, system identification and implementation on DSP. Affinity with the
field of applied mechanics, mechatronics would also be advantageous. In these
PhD projects collaboration is foreseen with the research groups of the ETH
and with local high-tech industries.
Interested candidates are asked to send (email) their written CV, a statement
of research interests and the names and addresses of past supervisors we may
contact as references to
Dr S J Pietrzko
EMPA Swiss Federal Laboratories for Materials Testing and Research
Ueberlandstrasse 129
CH 8600 Duebendorf, Switzerland
E-Mail: stanislaw.pietrzko@empa.ch
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4.13 Post-Doc PhD: Hamilton Institute IE
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Post-Doc, PhD: Hamilton Institute, IE
Contributed by: Douglas Leith, doug.leith@may.ie
POSITIONS IN TCP & NETWORK CONGESTION CONTROL
Applications are invited from well qualified candidates for a number of
postgraduate/postdoctoral positions at the Hamilton Institute. Candidates
should have an outstanding academic record including a strong mathematical or
analytical background. The successful candidates will be work on the
application of dynamics systems theory to internet and related network
congestion control problems. This includes decentralised design and
adaptation techniques for TCP; stability, convergence, efficiency and
fairness issues; novel protocols for heterogeneous networks including
wireless links.
The Hamilton Institute is committed to research excellence. These posts offer
an exciting opportunity for successful candidates to tackle fundamental
research problems within a stimulating multi-disciplinary research
environment with state of the art facilities and strong links to the
international research community.
For further details visit www.hamilton.may.ie
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4.14 Post-Doc and PhD: University of Liverpool UK
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Post-Doc and PhD: University of Liverpool, UK
Contributed by: Daniel Walker, d.j.walker@liv.ac.uk
Applications are invited for
(i) Two PDRA posts (starting salary up to GBP 23292 p.a.)
(ii) One PhD studentship (stipend approx GBP 9000 p.a.)
to work on a three-year EPSRC-funded project concerning rotorcraft control,
modelling, and identification.
The team will develop and test active control concepts, including rotor state
feedback laws, for handling qualities improvement, envelope protection and
structural load alleviation, using robust control techniques such as H-
infinity and LMI optimization. This will require the development of high-
fidelity flight dynamics models using state-of-the-art multi-body dynamics
and identification software tools.
Liverpool's advanced six-axis flight simulator will provide state-of-the-art
piloted simulation capabilities. It will be used to support flight-tests on a
Fly-by-Wire research helicopter: tests which add an exciting and important
dimension to the project. The researchers will join a group that has
considerable expertise in control, flight dynamics and simulation, and
handling qualities, based in the University's 5* rated Engineering
Department. (For further information on the group, see
http://www.flightlab.liv.ac.uk/).
Qualifications and Experience
1. Post Doctoral RA post 1: aircraft modelling
- PhD in aerospace, mechanical, or electrical engineering;
- Excellent understanding of flight dynamics;
- Experience using Flightlab, Simulink, System ID.
2. Post Doctoral RA post 2: active control concepts
- PhD in control systems;
- Experience designing (and, ideally, implementing) controllers using
methods like H-infinty, mu, LQG, LMI, NDI, QFT;
- Good understanding of dynamical systems;
- Knowledge of C language desirable.
3. PhD Studentship
- 1st or upper 2nd class degree in an appropriate
branch of engineering or mathematics;
- Good knowledge of control, simulation, system ID, or flight dynamics.
If you are interested in any of the above posts, please send your c.v., a
covering letter stating which post you are interested in, names and full
contact details of three referees, and a list of publications (if
applicable), as soon as possible to:
Dr D.J.Walker
Aerospace Engineering
University of Liverpool
Liverpool, L69 3GH, U.K.
e-mail d.j.walker@liv.ac.uk
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4.15 Post Doc: Univerity of Queensland Australia
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Post Doc: Univerity of Queensland, Australia
Contributed by: Ross McAree, r.mcaree@cmte.org.au
Post-Doctoral Postion in: Mechanical, Electrical or Mechatronic Engineering
CRC for Mining Technology & Equipment
Univerity of Queensland St Lucia, Australia
The CRC for Mining Technology & Equipment (www.cmte.org.au) is a joint
venture between The University of Queensland, the University of Sydney, and
six of Australia’s major mining companies. The Centre has an active research
program developing new equipment, instrumentation and control solutions to
improve safety and productivity in the mining industry.
A postdoctoral position is available to undertake research in the application
of advanced automation and control methods to mining systems. The successful
applicant will be based in the Division of Mechanical Engineering
(www.mech.uq.edu.au) at the University of Queensland.
In the role of Postdoctoral Research Fellow, you will be expected to work on
topics related to the development of advanced automation and control methods
for mining equipment and be responsible for preparing reports & publications,
presenting results of research, and participating in supervision of
postgraduate students.
The successful applicant will have a PhD, or similar qualification, in
Mechatronic, Mechanical or Electrical Engineering and demonstrated experience
and proficiency in the area of dynamics and control and/or signal processing.
Experience in the implementation of real-time control and signal processing
systems and a working knowledge of the C or C++ programming language is
desirable.
This is a full-time, fixed-term appointment for one year at Academic Level A.
The remuneration package will be in the range of AUSD 50,142 - AUSD 61,070
per annum, which includes employer superannuation contributions of 17%.
Obtain the position description and selection criteria online
(http://www.seek.com.au/advhomes/uqadvertisements/852832_1.htm) or contact
Dr Ross McAree r.mcaree@cmte.org.au.
Send applications to the Dr Ross McAree at Depart of Mechanical Engineering,
The Univerity of Queesland, Brisbane, St Lucia, Q 4072, Australia or email
r.mcaree@cmte.org.au.
Closing date for applications: 16 May 2003; Reference Number: 3005234
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4.16 Res Fellow: Robert Gordon University UK
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Res Fellow: Robert Gordon University, UK
Contributed by: M.B. Oyeneyin, b.oyeneyin@rgu.ac.uk
RESEARCH FELLOW - TWO POSITIONS
Intelligent Screen System for Oil/Gas Well Completions
Well Engineering Research Group
School of Engineering, Robert Gordon University, Aberdeen, UK
http://www.rgu.ac.uk/eng/well/page.cfm?pge=3864
In this project it is planned to develop a prototype intelligent screen
system to be used in oil/gas well completions. The Research Fellows will
work closely together to develop the new screen system. Research Fellow 1 is
expected to be responsible for the development of the necessary
instrumentation, control system and technology, and test the functionality;
while Research Fellow 2 will be responsible for the development of the
prototype screen and test functionality in a purposely built flow loop.
RFs will be expected to have higher degrees in Engineering or closely related
subjects with a strong bias towards Systems Engineering. It is expected that
candidate interested in Instrumentation and control will have good
understanding and knowledge of control and measurement of flow, pressure, and
temperature in inaccessible areas. Knowledge, ability and zeal to work with
novel technology is essential to the success of this project, therefore
ability to innovate and learn and apply in situ will be essential. RFs will
be working independetly, fairly furnished by all the required assistance
where and whenever required. Experience/Working knowledge in the development
of control systems and/or hardware product development will be very useful.
Position will suit someone wanting to develop a career in technological
development in oil/gas industry.
Due to the nature of the Research Award, i.e., "Proof of Concept", it is
envisaged that Research Fellows will be strong applications engineers, with
the ability to innovate and contribute and work in a team.
Remuneration package will be at Reseach Grade 1A : BP 22k- BP 28k Gross
depending on qualification experience. If interested - contact Dr Babs
Oyeneyin, b.oyeneyin@rgu.ac.uk, or +44 1224 262327. Or you can fill in
application forms available from human resources department website
http://www.rgujobs.ac.uk/welcome.htm quoting refernce no: T219.
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4.17 Research Fellow: Univ of New South Wales Australia
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Research Fellow: Univ of New South Wales, Australia
Contributed by: Victor Solo, v.solo@unsw.edu.au
SCHOOL OF ELECTRICAL ENGINEERING AND TELECOMMUNICATIONS
UNIVERSITY OF NEW SOUTH WALES, SYDNEY, AUSTRALIA
REF. 2102NET
FIXED TERM: - Salary - Postdoctoral Fellow: AUSD 38,576 - AUSD 52,324
per year or Salary - Research Fellow: AUSD 55,079 - AUSD 65,408 per year
(plus up to 17% employer superannuation plus leave loading.)
An opportunity exists for a Postdoctoral Fellow or Research Fellow
who will work on projects in System Identification. These projects
are concerned with developing new theoretical, computational and
statistical methods and algorithms.
Essential criteria for appointment as Postdoctoral Fellow: nearing
completion, or a completed PhD in an area related to System Identification,
Control, Signal Processing, Dynamical Systems or Time Series.
Essential criteria for appointment as Research Fellow: a PhD in an
area related to System Identification, Control, Signal Processing,
Dynamical Systems or Time Series; outstanding research accomplishment.
Additional Essential criteria at either level: a knowledge of C programming,
UNIX systems and Matlab, and a knowledge of EEO/AA &OH&S principles.
Desirable criteria for appointment at either level: knowledge of
inverse problems and or spatio-temporal system identification.
Preference will be given to applicants with an Electrical Engineering
background but applicants with backgrounds in Physics or Applied
Mathematics or Statistics are encouraged to apply.
This is a fixed term position, initially available for one year with
the possibility of extension dependent on funding.
Enquiries may be directed to Professor Victor Solo on telephone
(+61 2) 9385 4010 or email: v.solo@unsw.edu.au
For further details see our web page: http://scrg.ee.unsw.edu.au/intro.htm
Applications close 15 May 2003.
Applicants should submit written applications systematically addressing
the selection criteria, QUOTING REFERENCE NUMBER. Include business and
private telephone numbers; a complete resume, (copies of academic transcript
and qualifications where appropriate); and the names, addresses (and
preferably facsimile numbers) of at least two referees to: The Recruitment
Officer, Human Resources, UNSW Sydney 2052, email: recruitment@unsw.edu.au
or facsimile (+61 2) 9662 2832 by applications close date (15 May 2003).
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4.18 Research Fellows: ARC-CAS Sydney Australia
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Research Fellows: ARC-CAS, Sydney, Australia
Contributed by: Bernardo A. León de la Barra, b.a.leondelabarra@ieee.org
The new Australian Research Council (ARC) Centre of Excellence in Autonomous
Systems (CAS) is seeking to appoint up to ten new Research Fellows in the
broad area of robotics and autonomous systems. Highly qualified applicants
with broad backgrounds in engineering, computer science or physical science
are encouraged to apply. Areas of expertise may include control systems,
signal processing, vision and image processing, robotics, learning, modelling
of dynamical systems, computer science, physics, electrical engineering or
mechatronics.
Autonomous systems and robotics have a broad and diverse range of
applications of national importance. These range from field applications such
as automated mining, cargo handling, construction, defence, forestry and
transport; to potentially dangerous applications including robotic bush fire
fighting, search and rescue, and broad areas of air land and maritime
defence; to social applications in robotic health care, automotive and
entertainment. As an ARC Centre of Excellence, CAS has the role of
undertaking fundamental research in problems of perception, learning,
control, and systems engineering, and of build the scientific groundwork for
the development and application of intelligent autonomous systems. CAS also
sees that it has a major role in laying the foundations for a new autonomous
systems industry in Australia.
These are substantive positions and the successful candidates will be of
significant importance in the future development of autonomous systems
research. The successful applicants will be expected to
. Undertake fundamental research in autonomous systems,
. Establish and develop strong linkages with industry;
. Assist in supervision of postgraduate students and technical staff.
. Teach one undergraduate course per year within one of the Schools.
The successful candidate must have:
. A Ph.D. in a mathematical science, computer science or engineering
discipline
. A research track record, potential or demonstrated, of international
standing
The ideal candidate will also show:
. A willingness to engage industry in research outcomes
. An ability to communicate effectively at all levels
Description of Positions: Applicants are invited in the four main research
priority areas of the Centre: Perception, Control, Learning and Systems.
Applicants should cite one or more of these areas and should state clearly in
their application how their background fits with the research goals of the
Centre.
Perception: Applicants should have a background in one or more of the
following areas: sensor technology (one or more of mm-wave radar, electro-
optics, acoustics or computer vision for example), signal processing and
data fusion (data representation, data mining, filtering and estimation
techniques), or applications in navigation, environment modelling,
distributed data fusion techniques, for example. Successful applicants should
have a good background in hardware or programming and algorithm
implementation.
Control: Applicants should have a strong background in one or more of the
following areas: robust and intelligent control, computer control and real-
time systems, modelling and control of air or land vehicles, robotic planning
and modal logic, embedded system integration and resource management for
autonomous vehicles, multi-agent system control and estimation, hybrid system
control, optimisation, or the use of influence networks. Successful
applicants should have sound experience in programming and algorithm
implementation.
Learning: Applicants should have a background in one or more of the following
areas: machine learning, reinforcement learning, behavioural cloning,
learning in vision, multi-agent learning, evolutionary computing and
statistical or symbolic methods), cognitive robotics (symbolic logic and
planning) and programming languages for robot control and real-time systems.
Applicants are expected to be competent programmers, capable of implementing
software on robotic systems.
Systems: Applicants should have a background in one or more of the following
areas: Systems engineering, formal systems design methods, operations
research, modelling of large-scale systems, hybrid models, supervisory
control, modal logic or programming methods.
These are fixed-term positions for three years in the first instance with the
possibility of renewal for a further two years subject to funding and need.
Appointments will be made at either of the University of Sydney, The
University of New South Wales or the University of Technology Sydney
depending on the expertise of the candidate. The positions are subject to the
completion of a suitable probation period for new appointees. The Centre
expects to make approximately ten appointments but reserves the right to make
no appointments should no suitable candidates present themselves.
Closing Dates: The Centre will accept applications until all appointments
have been filled. Assessment of applications will commence on xyz.
Remuneration package: AUSD 60,946- AUSD 72,582 pa (which includes a base
salary Lecturer level B AUSD 51,385- AUSD 61,020 pa, leave loading and up to
17% employers contribution to superannuation). Membership of a University
approved superannuation scheme is a condition of employment for new
appointees.
For further information, contact Professor Hugh Durrant-Whyte, Research
Director CAS tel: (02) 9351-5583, fax (02) 9351-7474, email: jobs@cas.edu.au
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5. Books
5.1 Convex Analysis and Optimization
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Convex Analysis and Optimization
Contributed by: Dimitri P. Bertsekas, dimitrib@mit.edu
Convex Analysis and Optimization
by Dimitri P. Bertsekas, with Angelia Nedic and Asuman Ozdaglar
(560 pages, hardcover, ISBN:1-886529-45-0, $79.00)
published by
Athena Scientific, Belmont, MA
http://www.athenasc.com
An insightful, comprehensive, and uniquely pedagogical treatment of
convexity theory, and its rich applications in optimization, including
duality, minimax/saddle point theory, and Lagrange multipliers.
The book aims to provide a comprehensive and rigorous account of the
theory of convex sets and functions, in the classical tradition of Fenchel
and Rockafellar, and to restructure the subject, using a handful of
unifying principles that can be easily visualized and readily understood.
The presentation is up-to-date, and contains several new lines of research
and analysis, including:
1. A unified development of minimax theory and constrained optimization
duality as special cases of duality between two simple geometrical problems.
2. A unified development of conditions for existence of solutions of convex
optimization problems, conditions for the minimax equality to hold, and
conditions for the absence of a duality gap in constrained optimization.
3. A unification of the major constraint qualifications that guarantee the
existence of Lagrange multipliers for nonconvex constrained optimization
using the notion of constraint pseudonormality and an enhanced form of the
Fritz John necessary optimality conditions.
4. The development of incremental subgradient methods for dual optimization,
and the analysis of their advantages over classical subgradient methods.
Contents:
1. Basic Convexity Concepts.
2. Convexity and Optimization.
3. Polyhedral Convexity.
4. Subgradients and Constrained Optimization.
5. Lagrange Multipliers.
6. Lagrangian Duality.
7. Conjugate Duality.
8. Dual Computational Methods.
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5.2 Hard Disk Drive Servo Systems
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Hard Disk Drive Servo Systems
Contributed by: Ben M. Chen, bmchen@nus.edu.sg
Hard Disk Drive Servo Systems
Advances in Industrial Control Series, xix/273 pages/ISBN 1-85233-500-9
Ben M. Chen, Tong H. Lee, Venkatakrishnan Venkataramanan
National University of Singapore
Springer-Verlag, New York, London, 2002
This monograph provides a systematic treatment of the design of modern hard
disk drive servo systems. In particular, it focuses on the applications of
some newly developed results in control theory, i.e., robust and perfect
tracking control and composite nonlinear feedback control which are suitable
for track following and seeking respectively. Emphasis is placed on hard
disk drive servo systems with single- or dual-stage actuation using a voice-
coil-motor actuator enhanced in the latter case by the addition of a micro-
actuator providing faster responses and therefore higher bandwidth in track
following. Other issues such as disturbance rejection and resonance
compensation are also addressed.
Table of Contents
Chap 1 Introduction and Preview
Chap 2 System Identification Techniques
Chap 3 Linear System Tools
Chap 4 Linear Control Techniques
Chap 5 Nonlinear Control Techniques
Chap 6 Track Following of a Single-stage Actuator
Chap 7 Single-stage Actuated Servo Systems
Chap 8 Design of a Piezoelectric Actuator System
Chap 9 Dual-stage Actuated Servo Systems
Chap 10 Resonance and Disturbance Rejection
References
Index
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5.3 Modeling and Adaptive Nonlinear Control of Electric Motors
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Modeling and Adaptive Nonlinear Control of Electric Motors
Contributed by: Farshad Khorrami, khorrami@smart.poly.edu
Modeling and Adaptive Nonlinear Control of Electric Motors
Authors: Farshad Khorrami, Prashanth Krishnamurthy, and Hemant Melkote
Control/Robotics Research Laboratory (CRRL)
Department of Electrical & Computer Engineering
Polytechnic Univeristy, Brooklyn, NY 11201
523 pages, 184 Figures
ISBN# 3-540-00936-1
Publisher: Springer Verlag
Tiergartenstrasse 17
69121 Heidelberg, Germany
Publication Date: May 20, 2003
In this book, modeling and control design of electric motors, namely step
motors, brushless DC motors, and induction motors, are considered. The book
focuses on recent advances on feedback control designs for various types of
electric motors, with a slight emphasis on stepper motors. For this purpose,
the authors explore modeling of these devices to the extent needed to provide
a high-performance controller but at the same time amenable to model-based
nonlinear designs. The control designs focus particularly on recent robust
adaptive nonlinear controllers to attain high performance. It is shown that
the adaptive robust nonlinear controller on its own achieves a reasonably
good performance without requiring the exact knowledge of motor parameters.
While carefully tuned classical controllers do often achieve required
performance in many applications, it is hoped that the advocated robust and
adaptive designs will lead to standard universal controllers with minimal need
for fine tuning of control parameters.
Table of Contents
Chapter 1. Introduction
Chapter 2. Dual-Axis Linear Stepper (Sawyer) Motors
Chapter 3. Modeling of Stepper Motors
Chapter 4. Stepping
Chapter 5. Feedback Linearization and Application to Electric Motors
Chapter 6. Robust Adaptive Control of a Class of Nonlinear Systems
Chapter 7. Robust Adaptive Control of Stepper Motors
Chapter 8. Current Control of Stepper Motors Using Position Measurements
Only
Chapter 9. Voltage Control of Stepper Motors Using Position and Velocity
Measurements
Chapter 10. Voltage Control of PM Stepper Motors Using Position Measurement
Only
Chapter 11. Brushless DC Motors
Chapter 12. Induction Motor: Modeling and Control
Chapter 13. Adaptive Control of Induction Motors
Chapter 14. Passivity-Based Control of Electric Motors
Chapter 15. Torque Ripple Reduction for Step Motors
Chapter 16. Friction Compensation in Servo-Drives
Appendix A. Fundamentals of AC Machines
Appendix B. Floquet Frame: Extensions to DQ Transformation
Appendix C. Torque Maximization with Current and Voltage Constraints (Field
Weakening)
Appendix D. Stable System Inversion
Appendix E. Lyapunov Stability Theorems
Appendix F. Backstepping
Appendix G. Input-to-State Stability and Nonlinear Small Gain
Bibliography
Index
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5.4 Nonholonomic Mechanics and Control
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Nonholonomic Mechanics and Control
Contributed by: Ron Johnson, rjohnson@springer-ny.com
Nonholonomic Mechanics and Control
A.M. Bloch, University of Michigan, Ann Arbor, MI
with the collaboration of:
J. Baillieul, Boston University, Boston, MA
P. Crouch, Arizona State University, Tempe, AZ
J. Marsden, California Institute of Technology, Pasadena, CA
Publication date: April 2003
Retail Price: US $69.95, EUR 69.95
http://www.springer-ny.com/detail.tpl?isbn=0387955356
Springer-Verlag NY
175 Fifth Avenue
New York, NY 10010
Nonholonomic Mechanics and Control develops the rich connections between
control theory and geometric mechanics. Control theory is linked with a
geometric view of classical mechanics in both its Langrangian and Hamilton
formulations and especially with the theory of nonholonomic mechanics
(mechanical systems subject to motion constraints). Both controllability and
optical control are treated, including the Pontryagin maximum principle. In
addition, the stability, control, and stabilization of mechanical systems are
discussed. In particular, these topics are considered for nonholonomic
systems. The aim of the book is to provide a unified treatment of nonlinear
control theory and constrained mechanical systems, incorporating material
that has not yet made its way into texts and monographs. Detailed
illustrations and exercises are included throughout the text. Click on the
link above for further information about contents of the book.
This book is intended for graduate and advanced undergraduate students in
mathematics, physics, and engineering who wish to learn this subject and for
researchers who want to enhance their techniques.
Table of Contents
Preface
About the Authors
A Diagram for the Book
Chapter 1. Introduction
Chapter 2. Mathematical Preliminaries
Chapter 3. Basic Concepts in Geometric Mechanics
Chapter 4. Introduction to Aspects of Geometric Control Theory
Chapter 5. Nonholonomic Mechanics
Chapter 6. Control of Mechanical and Nonholonomic Systems
Chapter 7. Optimal Control
Chapter 8. Stability of Nonholonomic Systems
Chapter 9. Energy-Based Methods for Stabilization
References
Index
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6. Journals
6.1 Call for Papers: Operations Research in ECE
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Call for Papers: Operations Research in ECE
Contributed by: John W. Chinneck, chinneck@sce.carleton.ca
CALL FOR PAPERS
Special Issue of the INFORMS Journal on Computing:
OPERATIONS RESEARCH IN ELECTRICAL AND COMPUTER ENGINEERING
Guest Editor:
John W. Chinneck, chinneck@sce.carleton.ca, Carleton University, Canada
Associate Editors:
Mike Nakhla, msn@doe.carleton.ca, Carleton University
Q.J. Zhang, qi-jun_zhang@carleton.ca, Carleton University
Many problems in Electrical and Computer Engineering (ECE) are extremely
large and complex, especially in the area of Computer-Aided Design (CAD).
Consider, for example, the design of Very Large-Scale Integrated (VLSI)
circuits (i.e. computer chips) composed of millions of interconnected
microscopic devices. Due to the sheer scale and complexity of these circuits,
computer tools are the only practical way to analyze, simulate, and optimize
them. Problems include how to pack the devices into the smallest possible
area, how to route the interconnecting "wires" and how to simulate the
behavior of the proposed design. CAD methodology has a significant impact in
many areas of ECE such as antenna design, radio- and microwave-frequency
circuit design, design of chips, multi-chip modules and printed circuit
boards, thermal design of electronic packages, electromagnetic compatibility,
Micro-Electro-Mechanical Systems (MEMS), and more.
Many of the essential tools in CAD are taken from operations research,
especially simulation and optimization. However, the ECE CAD community has
developed somewhat in isolation from the operations research community. As
a consequence, members of that community may not take advantage of the best
operations research tools available for their particular problems. Similarly,
the operations research community may not know about useful tools that the
extremely active ECE CAD community has developed, especially for managing
exceptionally large and complex models. Closer interaction of the ECE CAD
and operations research communities would have many benefits:
- The CAD community is working on problems that could profit from
better knowledge of recent developments in operations research,
particularly optimization techniques.
- CAD problems push the boundary of known techniques, presenting an
unusually rich opportunity for research by operations researchers.
For example, many VLSI design problems are mixed-integer nonlinear
programs with huge numbers of constraints.
- The CAD community, working in isolation, has developed a number of
interesting new techniques, some of which may be of interest to
operations researchers because they are effective on more general
problems, or on problems of extreme scale and complexity.
Papers are sought that address any aspect of the interaction between
the two fields, particularly:
- The description of an interesting ECE CAD problem and its solution
by an operations research technique. Problems of unusual scale or
complexity are of special interest.
- The description of a technique for modeling, simulation, or
optimization developed within the ECE CAD community that is more
generally applicable, and hence should be made known to the
operations research community.
The primary audience of the INFORMS Journal on Computing is the operations
research community, so coverage of the electrical engineering aspects in the
submitted papers should be tutorial in nature. Coverage of the operations
research aspects should be at a mature level.
The INFORMS Journal on Computing is a publication of the Institute for
Operations Research and Management Sciences (INFORMS). JoC publishes results
in the intersection of operations research and computer science.
Instructions:
- Deadline for submission is October 31, 2003.
- Web page for the Call for Papers is
http://joc.pubs.informs.org/CallSpecialIssueORinECE.html
Please see Instructions for Authors linked from that page.
- You can submit electronically a postscript or pdf file to the Editor,
or to any of the Associate Editors with cc: chinneck@sce.carleton.ca.
- Direct questions to the Guest Editor or Associate Editors.
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6.2 Call for Papers: Special issue on Subspace-based Identification
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Call for Papers: Special issue on Subspace-based Identification
Contributed by: Zoe Mitchell, engineering_uk@wiley.co.uk
Call for Papers
Special Issue on: "Subspace-based Identification in Adaptive Control
and Signal Processing"
International Journal of Adaptive Control and Signal Processing
Suggested topics:
· Adaptive control reformulation from sample-to-sample based methods to
block-data methods;
· Model-based predictive control combined with subspace-based identification;
· Structural properties of multi-input multi-output systems;
· Iterative learning control (ILC) with improvement on reference trajectories
as well as modification of feedback control;
· Decentralised adaptive control;
· Adaptive control of infinite dimensional systems;
· Persistency of excitation in adaptive control;
· Direct adaptive control using subspace-based identification;
· Stability and convergence
Submission details
Prospective authors are requested to submit their manuscript electronically
in postscript or pdf format. Alternatively, authors can submit five copies
of their manuscript by regular mail. Contributions can be sent to either one
of the Guest Editors, to arrive no later than 31 August 2003. All papers
will be reviewed following the standard procedures of the journal. The
publication of the Special Issue is tentatively scheduled for August 2004.
For further information please contact either of the Editors listed below.
Special Issue Guest Editors:
Prof. Rolf Johansson
Dept. of Automatic Control, Lund Institute of Technology
Lund University
P.O. Box 118, SE-221 00 Lund, Sweden
Phone: +46 46 222 8791 Fax: +46 46 138118
Email: Rolf.Johansson@control.lth.se
Prof. dr. ir. Michel Verhaegen
Chairman Control Systems Engineering Laboratory
Faculty of Information Technology Systems
Mekelweg 4, NL-2600 GA Delft, The Netherlands
Tel. +31 15 2785204 Fax. +31 15 2786679
Email: M.Verhaegen@its.tudelft
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6.3 Contents: Asian Journal of Control
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Contents: Asian Journal of Control
Contributed by: Li-Chen Fu, lichen@ntu.edu.tw
Contents: Asian Journal of Control
Vol. 5, Nol. 2, June, 2003
Regular:
1. Title: Robust H¡Û Control Problem for General Nonlinear Systems
with Uncertainty
Author: Jenq-Lang Wu and Tsu-Tian Lee
2. Title: An Automatic Building Approach to Special Takagi-Sugeno
Fuzzy Network for Unknown Plant Modeling and Stable Control
Author: Chia-Feng Juang
3. Title: Fuzzy Sliding Mode Control for Ship Roll Stabilization
Author: Shyh-Leh Chen and Wei-Chih Hsu
4. Title: Design of Robust Pole Assignment Based on Pareto-Optimal Solutions
Author: Takanori Tagami and Kenji Ikeda
5. Title: PID Performance Tuning Methods for a Robotic Manipulator Based
on ISS
Author: Youngjin Choi and Wan Kyun Chung
6. Title: Optimal Process Control Using Neural Networks
Author: Radhakant Padhi and S. N. Balakrishnan
7. Title: A Stable Output Feedback Position Control with Integral Action
for Robot Manipulators
Author: Jose Alvarez-Ramirez, Rafael Kelly and Ilse Cervantes
8. Title: Sliding Mode Control for Invertible Systems Based on a
Direct Design of Interactors
Author: Tsutomu Mita, Taek-Kun Nam and Xin Xin
9. Title: Dynamical Output Feedback Stabilization of MIMO Bilinear Systems
with Undamped Natural Response
Author: Guoping Lu, Yufan Zheng and Cishen Zhang
10. Title: Indexing Valve Plate Pump: Modeling and Control
Author: X. Zhang, J. Cho and S. S. Nair
11. Title: Characterisation of Receding Horizon Control for Constrained
Linear Systems
Author: Maria M. Seron, Graham C. Goodwin and Jose A. De Dona
Brief:
12. Title: Determination of the Phase Current Waveform for a Disc-Type
Axial-Flux Wheel Motor
Author: Yee-Pien Yang, Yih-Ping Luh and Yann-Guang Pan
13. Title: Plotting Robust Root Locus for Polynomial Families of Multilinear
Parameter Dependence Based on Zero Inclusion/Exclusion Tests
Author: Chyi Hwang and Shih-Feng Yang
14. Title: Reliable State Feedback Control Synthesis for Uncertain Linear
Systems
Author: Guang-Hong Yang, Jian Liang Wang, Yeng Chai Soh and Kok-Yong Lou
15. Title: On Velocity-Based Local Model Networks for Nonlinear Identification
Author: Seamus C. McLoone and George W. Irwin
16. Title: Time Varying Deadbeat Control of High Order Chained Systems
Author: Tsutomu Mita and Taek Kun Nam
17. Title: Modified Weak-Pseudo-Sliding Mode Controller with One Sampling
Period Computation Delay
Author: Kuo-Ming Chang, Chieh-Li Chen and Zhi-Hong Zhu
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6.4 Contents: Automatica
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Contents: Automatica
Contributed by: H. Kwakernaak, automatica@autsubmit.com
Contents: Automatica, June, 2003
Volume 39, Issue 6
For the cumulative table of contents 1963-present and new submissions
visit http://www.autsubmit.com
Regular papers
C. C. Amaro, S. K. Baruah, A. D. Stoyen, W. A. Halang
Non-preemptive scheduling to maximize the minimum global inter-completion
time (MGICT)
D. Jeltsema, J. M. A. Scherpen
A dual relation between port-Hamiltonian systems and the Brayton-Moser
equations for nonlinear switched RLC circuits
Brief papers
P. Zhivoglyadov, R. H. Middleton
Stability and switching control design issues for a class of discrete time
hybrid systems
J. Alvarez-Ramirez, R. Kelly, I. Cervantes
Semiglobal stability of saturated linear PID control of robot manipulators
Dong Sun
Position synchronization of multiple motion axes with adaptive coupling
control
P. Cartigny, P. Michel
On a sufficient transversality condition for infinite horizon optimal
control problems
Chung-Shi Tseng, Bor-Sen Chen
A mixed H-2/H-infinity adaptive tracking control for constrained
nonholonomic systems
M. Sznaier, M. C. Mazzaro, O. Camps
Open-loop worst case identification of non Schur plants
G. Chesi, A. Garulli, A. Tesi, A. Vicino
Homogeneous Lyapunov functions for systems with structured uncertainties
M. Di Marco, A. Garulli, D. Prattichizzo, A. Vicino
A set theoretic approach for time-to-contact estimation in dynamic vision
Ti-Chung Lee
Exponential stabilization for nonlinear systems with applications to
nonholonomic systems
L. B. Jemaa, E. J. Davison
Performance limitations in the robust servomechanism
problem for discrete time periodic systems
Y. B. Shtessel, A. S. I. Zinober, I. A. Shkolnikov
Sliding mode control of boost and buck-boost power converters using method
of stable system centre
Ming-Tzu Ho
Synthesis of H(infty) PID controllers: A parametric approach
T. Floquet, J-P. Barbot, W. Perruquetti
Higher order sliding mode stabilization for a class of nonholonomic
perturbed system
G. Besancon, S. Battilotti, L. Lanari
A new separation result for a class of quadratic-like systems with
application to Euler-Lagrange models
Technical communiques
G. Besancon
High gain observation with disturbance attenuation and application to
robust fault detection
H. Prochazka, I. D. Landau
Pole placement with sensitivity function shaping using 2nd order digital
notch filters
Correspondence items
Wei-Jie Mao
Robust stabilization of uncertain time-varying discrete systems and
comments on “an improved approach for constrained robust model predictive
control”
Book reviews
Silvio Simani
Coding approaches to fault tolerance in combinational and dynamic systems,
by Christoforos N. Hadjicostis
Derong Liu and Huaguang Zhang
Fuzzy control, by K.M. Passino and S. Yurkovich
E.F. Camacho
Predictive control with constraints, by J.M. Maciejowski
M. Arcak
L2-Gain and passivity techniques in nonlinear control, by Arjan van der
Schaft
T. Bailey, H. Durrant-Whyte
Mobile robot localization and map building: A multisensor fusion approach,
by J. A. Castellanos and J. D. Tardos
A. Emami-Naeini
Analytic feedback system design: An interpolation approach, by Peter
Dorato
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6.5 Contents: Control Engineering Practice
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Contents: Control Engineering Practice
Contributed by: A.H. Glattfelder, ifacjcep@control.ee.ethz.ch
Contents: Control Engineering Practice
ISSN : 0967-0661
Volume 11, Issue 7, Pages 723-832 (July 2003)
Grouped neural network model-predictive control, Pages 723-732
Jing Ou and R. Russell Rhinehart
A survey of industrial model predictive control technology, Pages 733-764
S. Joe Qin and Thomas A. Badgwell
Multi-model predictive control of an industrial C3/C4 splitter, Pages 765-779
C. R. Porfirio, E. Almeida Neto and D. Odloak
Multivariable control of the longitudinal and lateral dynamics of a fly-by-
wire helicopter, Pages 781-795
D. J. Walker
Buffered DDA command generation in a CNC, Pages 797-804
Yih-Fang Chang
Supervisory control for a telerobotic system: a hybrid control approach,
Pages 805-817
Cecilia E. Garcia, Ricardo Carelli, Jose F. Postigo and Carlos Soria
Zero-miss-distance guidance law based on line-of-sight rate measurement only,
Pages 819-832
Pini Gurfil
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6.6 Contents: Control and Intelligent Systems
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Contents: Control and Intelligent Systems
Contributed by: Clarence de Silva, desilva@mech.ubc.ca
Contents: Control and Intelligent Systems
VOLUME 31 / Number 1 / 2003
A Novel Predictive and Iterative Learning Control Algorithm: K.K. Tan, S.N.
Huang, S. Zhao
Suboptimal EMM for Multivariable Systems with Measurement Disturbance: W.
Kase, Y. Mutoh
Improved Evolutionary Predictive Controllers for Real-Time Application: M.L.
Fravolini, A. Ficola, M. La Cava
An Interpolative Fuzzy Inference Procedure using Least-Square Principle:
C. Lucas, D. Shahmirzadi
Linear and Nonlinear Model Predictive Control Design for a Milk
Pasteurization
Plant: M.T. Khadir, J.V. Ringwood
Systematic Fuzzy Logic Control of a Gantry Crane: A.T. Alouani, D. Fugate, F.
Yang
Hierarchical Fuzzy Logic Traffic Control at a Road Junction: T.H. Heung, T.K.
Ho, Y.F. Fung
For paper submission information please go to:
http://www.actapress.com/journals/journals.htm
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6.7 Contents: IEEE Trans on Control Systems Technology
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Contents: IEEE Trans on Control Systems Technology
Contributed by: Mikhail Skliar, mikhail.skliar@utah.edu
Contents: IEEE Trans on Control Systems Technology
May 2003, Vol. 11, No. 3
PAPERS
Dual Adaptive Control of Paper Coating
A. Ismail, G. A. Dumont, and J. Backstrom
Design of a Gain Scheduling Controller for Knee-Joint Angle Control by Using
Functional Electrical Stimulation
F. Previdi and E. Carpanzano
Position Error Signal Estimation at High Sampling Rates Using Data and Servo
Sector Measurements
P. A. Ioannou, E. B. Kosmatopoulos and A. M. Despain
Torque Based Control of Whirling Motion in a Rotating Electric Machine Under
Mechanical Resonance
K. Inoue, S. Yamamoto, T. Ushio and T. Hikihara
Control of a Multilevel Converter Using Resultant Theory
J. N. Chiasson, L. M. Tolbert, K. McKenzie and Z. Du
Nonholonomic Motion Planning Based on Newton Algorithm With Energy
Optimization
I. Duleba and J. Z. Sasiadek
BRIEF PAPERS
Asymptotic Disturbance Rejection for Hammerstein Positive Real Systems
H. S. Sane and D. S. Bernstein
Analysis and Design of Integrated Control for Multi-Axis Motion Systems
S.-S. Yeh and P.-L. Hsu
Design and Performance Analysis of Sliding-Mode Observers for Sensorless
Operation of Switched Reluctance Motors
M. S. Islam, I. Husain, R. J. Veillette and C. Batur
Adaptive Control of Delayed Integrating Systems: A PVC Batch Reactor
M. Huzmezan, G. A. Dumont, W. A. Gough and S. Kovac
A Discrete-Time Design and Analysis of Perturbation Observer for Motion
Control Applications
S. S. Kwon and W. K. Chung
A Robust Fault-Detection Approach With Application in a Rolling-Mill Process
D.-W Gu and F. W. Poon
Robust Adaptive Voltage-Fed Permanent Magnet Step Motor Control Without
Current Measurements
P. Krishnamurthy and F. Khorrami
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6.8 Contents: Int J. of Appp Mathematics and Computer Science
contribution will look in the emailed version from the preview below.
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Contents: Int J. of Appp Mathematics and Computer Science
Contributed by: Jozef Korbicz, J.Korbicz@issi.uz.zgora.pl
Contents: International Journal of Applied Mathematics and Computer Science
Vol. 13, No. 1, 2003
http://www.issi.uz.zgora.pl/amcs/
Special Issue: MULTIDIMENSIONAL SYSTEMS nD AND ITERATIVE LEARNING CONTROL
Edited by: Krzysztof GALKOWSKI
Richard W. LONGMAN
Eric ROGERS
Table of contents
1. Pommaret J.F. and Quadrat A.: A functorial approach to the behaviour
of multidimensional control systems, pp. 7-14
2. Hätönen J. and Ylinen R.: Polynomial systems theory applied to the
analysis and design of multidimensional systems, pp. 15-28
3. Idczak D., Majewski M. and Walczak S.:Stability analysis of solutions
to an optimal control problem associated with Goursat-Darboux
problem, pp. 29-44
4. Dymkou V. and Dymkov M.: An application of the Fourier transform to
optimization of continuous 2-D systems, pp. 45-54
5. Kurek J.E.: Controllability and reconstructability of a system described
by the N-D Roesser model, pp. 55-60
6. Kaczorek T.: Canonical forms of singular 1D and 2D linear systems,
pp. 61-72
7. Rabenstein R. and Trautmann L.: Towards a framework for continuous
and discrete multidimensional systems, 73-86
8. Gakowski K., Rogers E., Paszke W. and Owens D.H.: Linear repetitive
process control theory applied to a physical example, pp. 87-100
9. Longman R.W.: On the interaction between theory, experiments, and
simulation in developing practical learning control algorithms, pp. 101
10. Avrachenkov K.E. ans Longman R.W.: Iterative learning control for
over-determined, under-determined, and ill-conditioned systems, pp. 113
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6.9 Contents: Journal of Guidance Control and Dynamics
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Contents: Journal of Guidance, Control, and Dynamics
Contributed by: Jen Samuels, jens@aiaa.org
Journal of Guidance, Control, and Dynamics
Vol. 26, Number 3
HISTORY
Contributions of Multibody Dynamics to Space Flight: A Brief Review
A. K. Banerjee, p. 385
FULL-LENGTH PAPERS
Periodic Solutions in Electrodynamic Tethers on Inclined Orbits
J. Peláez and M. Lara, p. 395
Modeling Maneuver Dynamics in Air Traffic Conflict Resolution
R. A. Paielli, p. 407
Optimal Trajectory Planning for Hot-Air Balloons in Linear Wind Fields
T. Das, R. Mukherjee, J. Cameron, p. 416
Integrated Hardware Investigations of Precision Spacecraft Rendezvous Using
the
Global Positioning System
T. Ebinuma, R. H. Bishop, E. G. Lightsey, p. 425
Computing Danger Zones for Provably Safe Closely Spaced Parallel Approaches
R. Teo and C. J. Tomlin, p. 434
Modular Adaptive Control of a Nonlinear Aeroelastic System
S. N. Singh and M. Brenner, p. 443
Sliding Mode Control Applied to Reconfigurable Flight Control Design
R. A. Hess and S. R. Wells, p. 452
Multi-Input/Multi-Output Sliding Mode Control for a Tailless Fighter Aircraft
S. R. Wells and R. A. Hess, p. 463
Longitudinal Flying Qualities Prediction for Nonlinear Aircraft
S. Ryu and D. Andrisani, p. 474
Algorithm for Autonomous Longitude and Eccentricity Control for Geostationary
Spacecraft
B. P. Emma and H. J. Pernicka, p. 483
Adaptive Neural Control of Deep-Space Formation Flying
P. Gurfil, M. Idan, N. J. Kasdin, p. 491
Algebraic Riccati-Equation-Based Differentiation Trackers
S. Ibrir, p. 502
Rapid Verification Method for the Trajectory Optimization on Reentry Vehicles
S. Josselyn and I. M. Ross, p. 505
Quaternion Controller Design Using Switched Linear Parameter-Varying
Framework
S. Lim and K. Chan, p. 508
BOOK REVIEW
Review of Fundamentals of Astrodynamics and Applications (2nd Edition)
R. G. Melton, p. 511
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6.10 Contents: Linear Algebra and its Applications
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Contents: Linear Algebra and its Applications
Contributed by: Hans Schneider, hans@math.wisc.edu
Contents: Linear Algebra and its Applications
Volume 367, Pages 1-350 (1 July 2003)
Strong rank revealing LU factorizations, Pages 1-16
L. Miranian and M. Gu
On an inequality for the Hadamard product of an M-matrix or an H-matrix and
its inverse, Pages 17-27
Shuhuang Xiang
Monotonicity and *orthant-monotonicity of certain maximum norms, Pages 29-36
Boris Lavri
On simultaneously nilpotent fuzzy matrices, Pages 37-45
Yung-Yih Lur, Chin-Tzong Pang and Sy-Ming Guu
A note on Soderlind's conjecture, Pages 47-57
Jigen Peng and Zong-Ben Xu
Ring isomorphisms and pentagon subspace lattices, Pages 59-66
Pengtong Li and Jipu Ma
Symplectic difference systems: variable stepsize discretization and discrete
quadratic functionals, Pages 67-104
Roman Hilscher and Vera Zeidan
Adjacency preserving maps on upper triangular matrix algebras, Pages 105-130
W. L. Chooi, M. H. Lim and Peter emrl
Absolute equal distribution of families of finite sets, Pages 131-146
William F. Trench
On semimonotone matrices with nonnegative principal minors, Pages 147-154
Teresa H. Chu
The Cayley-Hamilton theorem and inverse problems for multiparameter systems,
Pages 155-163
Toma Koir
Complete stagnation of , Pages 165-183
Ilya Zavorin, DianneP. O'Leary and Howard Elman
Completable filiform Lie algebras, Pages 185-191
Jose Maria Ancochea Bermudez and Rutwig Campoamor
On characteristically nilpotent Lie algebras of type Q, Pages 193-212
Jose Maria Ancochea Bermudez and Rutwig Campoamor
Additive mappings that preserve rank one nilpotent operators, Pages 213-224
Wu Jing, Pengtong Li and Shijie Lu
On solutions of the matrix equations X-AXB=C and , Pages 225-233
Tongsong Jiang and Musheng Wei
Uniform primeness of the Jordan algebra of hermitian quaternion matrices,
Pages 235-242
Rok Straek
Characteristic polynomial of catacondensed systems, Pages 243-253
Juan Rada
Markov chains and dynamic geometry of polygons, Pages 255-270
Jiu Ding, L. Richard Hitt and Xin-Min Zhang
Pairs of functions with indefinite Pick matrices, Pages 271-290
V. Bolotnikov, A. Kheifets and L. Rodman
On a lattice of hermitian-preserving cones, Pages 291-300
Muriel J. Skoug, Richard D. Hill and Joseph R. Siler
Spectral decomposition of real circulant matrices, Pages 301-311
Herbert Karner, Josef Schneid and Christoph W. Ueberhuber
Max-algebra: the linear algebra of combinatorics?, Pages 313-335
Peter Butkovi
Remarks on graphs with majority of eigenvalues at most -1, Pages 337-340
Dragan Stevanovi
A characterization of strong preservers of |