E-LETTER on Systems, Control, and Signal Processing
E-LETTER on Systems, Control, and Signal Processing
ISSUE No. 79, March 1, 1995
E-mail: eletter-request@win.tue.nl
Editors: Anton A. Stoorvogel
Dept. of Mathematics & Computing Science
Eindhoven University of Technology
P.O. Box 513
5600 MB Eindhoven
the Netherlands
Fax +31-40-465995
Siep Weiland
Dept. of Electrical Engineering
Eindhoven University of Technology
P.O. Box 513
5600 MB Eindhoven
the Netherlands
Fax +31-40-434582
Contents
1. Editorial
2. Personals
3. General announcements
3.1 Signal processing for the national information infrastructure
3.2 News from ILAS
3.3 Course announcement at MIT
3.4 SCAD update
4. Positions
4.1 Post Doctoral Position AEB Industrial Systems, Sweden
5 Books
5.1 Linear system theory -- W.J. Rugh
5.2 Robust stabilizability and convexity: an introduction -- J.Kogan
6. Journals
6.1 TOC LAA vol. 215
6.2 TOC MCSS vol. 7:2
6.3 Call for papers on neural nets and fuzzy systems for special issue of J. of intelligent control and systems
6.4 TOC IEEE Trans. Automatic Control vol. 40:3
6.5 Call for papers special issue of Wireless Networks
6.6 TOC SIAM Review, vol. 37:1
6.7 TOC Circuits, Systems and Signal Processing, vol. 14:2
7. Conferences
7.1 29th conf. on information sciences and systems -J.Hopkins Univ.
7.2 33rd annual Allerton conf. on communication, control and comp.
7.3 Bernoulli workshop `control of uncertain systems' -Groningen
7.4 Call for papers conf. automatics and informatics -Sofia univ.
7.5 2nd European workshop on hybrid systems -Grenoble
7.6 Travel support for ICIAM-95 conference
7.7 CfP International Symposium for Intelligent Robotics
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Welcome to E-letter number 79 !!!
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Contributed by: Floyd Hanson
Change of Address:
For the Spring Semester, January through June, my sabbatical address
will be
PROFESSOR FLOYD B. HANSON
SCHOOL OF CIVIL & ENVIRONMENTAL ENGINEERING
CORNELL UNIVERSITY
HOLLISTER HALL
ITHACA NY 14853-3501
Email: hanson@optimus.cee.cornell.edu
OfficeTel: 607-255-3792
SchoolTel: 607-255-3438
SchoolFax: 607-255-9004
I will still be reading my email at hanson@uic.edu and hanson@math.uic.edu.
Floyd Hanson
(permanent affiliation)
Dept. Math, Stat, & Comp Science
University of Illinois at Chicago
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Contributed by: Robert M. Gray
Signal Processing for the National Information Infrastructure
A report titled ``Signal Processing for the NII'' based on a Workshop/Panel
on the topic held at the National Science Foundation in August 1994 has now
been officially released and is available by anonymous ftp. The participants
included Julia Abrahams of ONR, George Cybenko of Dartmouth, Martin Cohn of
Brandeis, Tom Fischer of Washington State University, Michael Goodchild of
UC Santa Barbara, Robert Gray of Stanford, Richard Greenberg of the
University
of Arizona, Ali Habibi of Aerospace Corporation, Barry Haskell of Bell
Telephone Labs, H.K. Huang of UC San Francisco, John Limb of Georgia Tech,
Majid Rabbani of Kodak, Tom Stockham of Stocham Technologies and the
University of Utah, Steve Tanimoto of the University of Washington, George
Thoma of the National Library of Medicine, and Martin Vetterli of Columbia
and UC Berkeley. Topics include the history, state-of-the-art, and future
directions of applications of signal processing theory and algorithms to
the NII, the ``information superhighway.''
The report is available by anonymous ftp to isl.stanford.edu. Both latex
and postscript files are in the directory pub/gray/reports. A World Wide
Web version will be available in the near future at the NSF Web server.
An xmosaic version is available at
xmosaic
Contributed by: Daniel Hershkowitz
News from ILAS INFORMATION CENTER (IIC)
As of December 28, 1994, we have shifted the IIC database to a new
machine. Consequently, we are happy to announce the following
significant improvement in the services offered by IIC.
There are now THREE ways to use the services of IIC:
I. Using MOSAIC, XMOSAIC, NETSCAPE or LYNX
Issue the command
command http://math.technion.ac.il/iic
where command stands for mosaic, xmosaic, netscape or lynx .
II. FTP
1. Enter 'ftp math.technion.ac.il'
2. Enter 'anonymous' for the "user:" prompt
3. type your local userid as a PASSWORD
4. Once you get the first panel, type 'cd iic' to be connected to IIC
5. Issue any FTP command (type 'help' for available FTP commands)
III. E-mail
Include the command
SEND http://math.technion.ac.il/iic/filename
(where "filename" is the file you request)
in the mail body of a message sent to agora@mail.w3.org .
The file will be sent to you in a mail file.
The message can include more than one request.
>>> Files that can be obtained from IIC
The list of files that can be obtained from IIC is included in the
file index.html .
Note the system is case sensitive and that all file names in IIC
(with the exception of index.html) are given in upper case
characters.
IIC (ILAS INFORMATION CENTER) is happy to announce a new service:
Links to members' home pages.
Those of you who wish to have links from our database center to their
home page should e-mail their home page address to Danny Hershkowitz at
hershkow@techunix.technion.ac.il
-------------------------------
On the basis of a report received from the ballot-counting subcommittee
of the Nominating committee for the recent ILAS elections, the following
have been elected to ILAS offices as of March 1, 1995:
Vice President:
Daniel Hershkowitz (three year term)
Board of Directors:
Robert C. Thompson (three year term)
Peter Lancaster (three year term)
Chi-Kwong Li (two year term)
Angelika Bunse-Gerstner (two year term)
In addition to the above, the following continue in their offices to
which they were previously elected:
Hans Schneider, President
James R. Weaver, Secretary/Treasurer
Richard A. Brualdi, member of Board of Directors
Thomas Laffey, member of Board of Directors
We wish to thank all candidates for agreeing to stand for election to
ILAS offices.
Hans Schneider
President, ILAS
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Contributed by: John Tsitsiklis
COURSE ANNOUNCEMENT
Intelligent Decision and Control with Neural Networks
by Dimitri P. Bertsekas and John N. Tsitsiklis
Professors of Electrical Engineering and Computer Science
Mass. Institute of Technology
August 14-18, 1995
M.I.T. Summer Professional Program 6.95s
Tuition: $1,900
CEUs: 3.0
Over the last few years there has been rapidly expanded interest on
complex engineering problems, in areas ranging from signal processing
and pattern recognition to control theory, and all the way to
applications in logistics and finance.
Such problems often involve high dimensional systems (the "curse of
dimensionality") or highly nonlinear, sometimes ill-defined models.
While little progress can be made on such problems using classical
methods, recently there has been an explosion of methods based on
artificial neural networks and related approximation techniques that
have greatly expanded the scope of solvable problems. These methods
have generated much excitement and publicity, and have seen
significant practical use.
The objective of this course is to cover the foundation of neural
network techniques as well as their application to specific problem
domains. While the successful use of neural network methods contains
a certain element of "art", there is also an accumulated body of
knowledge that provides a useful guide into applications, and enables
a critical appraisal of the sometimes inflated and conflicting claims
regarding the potential of the neural network technology.
The course provides a balanced approach between the art and the
science of neural networks. On the methodological side, it covers
different neural network architectures and the associated training
algorithms; how to use neural network methods in areas like
classification, signal processing, and nonlinear control; and,
finally, how to adapt traditional methods for decision making under
uncertainty (dynamic programming) so that they can work hand in hand
with neural networks and other tools for addressing complex,
ill-defined, and large-dimensional problems. On the application side,
there will be several examples to illustrate the use of the different
methods in specific domains and to amplify some of the issues that
are important in practice.
The course should be attractive to practicing engineers and
researchers who want to understand the interface between theory and
practice, and who would like to harness the power of neural networks
to address complex engineering problems. Due to the diversity of the
examples to be covered, the course is designed to be equally
appealing to people in signal processing, control theory, and
operations research.
Contents: 1) Introduction to Neural Network Methods and Applications, 2)
Neural Network Architectures and Training Methods, 3) Classification,
Estimation, Identification, and Control with Neural Networks, 4)
Neuro-Dynamic Programming and Reinforcement Learning
FOR FURTHER INFORMATION AND ADMISSION APPLICATION:
MIT Summer Session Office, 8-201, Cambridge, MA 02139
Phone: (617) 253-2101
FAX: (617) 253-8042\ \
email: summer--professional--programs@mit.edu
world wide web home page: http://web.mit.edu/org/s/summer-programs/
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Contributed by: Raimund J. Ober
Xu Huang
UPDATE ON SCAD DATABASE --
February 1995
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Systems and Control Archive at Dallas
gopher: gopher.utdallas.edu
ftp address: ftp.utdallas.edu
IP number: 129.110.10.14
Worldwide web: URL: http://www.utdallas.edu/research/scad
queries (email): scad@utdallas.edu
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New contents:
=============
eletters:
=========
Number 78
New activities:
===============
We keep expanding the information that we are offering.
Check out our WWW and gopher pages!
Information is available on: books, jobs, journal contents pages,
conferences, software and much more.
To improve our database we need your input with suggestions of
what to add and how to improve SCAD!
************ Remember to send your tech reports and other material! *********
How to access scad:
===================
1.) Using gopher:
Type
gopher -p 1/research/scad gopher.utdallas.edu
or
gopher gopher.utdallas.edu
Select `UT-Dallas Research' and then `Systems and Control Archive at
Dallas'
2.) Using ftp:
ftp ftp.utdallas.edu
Then cd /pub/scad
3.) Using Worldwide Web:
URL: http://www.utdallas.edu/research/scad
More detailed instructions can be obtained by sending an email to
scad@utdallas.edu
After accessing SCAD you can find a README file which contains
more information about SCAD.
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Contributed by: Per-Olof Gutman peo@math.kth.se
POST DOCTORAL POSITION
Where: ABB Industrial Systems, Ltd
Dept HUA
72167 Vasteras, Sweden
Duration: One or two years, starting immediately, but
not later than the summer of 1995.
Project: Robust Control of Electrical Drives.
This is a cooperative research project between
ABB Industrial Systems, Ltd, and the Department
of Optimization and Systems Theory, the Royal
Institute of Technology, Stockholm, Sweden.
Conditions: Free housing + tax free scholarship, covering
the normal living expenses of a small family.
Tasks: Development and comparison of cascaded and
multivariable control algorithms for electrical
drives. Development of algorithms for robust
estimation of unmeasured state variables for
electrical drives. The research includes analysis,
simulation, laboratory implementation and
experimentation.
Background: Ph. D. in Automatic Control. Interest in electro-
mechanical systems and experimental work.
Contact: Dr Per-Olof Gutman, email: peo@math.kth.se
Prof Anders Lindquist, email: alq@math.kth.se
Johann Galic, Dept HUA, ABB, fax: +46 21 144760
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Contributed by Jack Rugh
LINEAR SYSTEM THEORY
A second edition of LINEAR SYSTEM THEORY by Wilson J. Rugh
will be available from Prentice Hall in Summer 1995.
NEW FEATURES
Ten new chapters covering discrete-time, time-varying linear systems.
Theme physical examples added throughout the book.
Additional drill exercises.
Increased independent treatment of the time-invariant case.
New material on time-varying, reduced-dimension observers.
New geometric treatment of time-invariant canonical structure theorem.
Incremental improvements to the continuous-time presentation.
For course adoption a prepublication copy can be obtained
by contacting Phyllis Morgan, College Editorial, Prentice Hall,
113 Sylvan Ave., Englewood Cliffs, NJ 07632, or by email to
books@prenhall.com. Enclose your school address and the following
information about the course: course number, number of sudents,
decision date, and current text.
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Contributed by: Jacob Kogan
NEW BOOK ANNOUNCEMENT
Title: Robust Stability and Convexity: An Introduction
Lecture Notes in Control and Information Sciences, Vol. 201
Springer--Verlag, London, 1995
ISBN 3-540-19919-5
ISBN 0-387-19919-5
Author: J. Kogan, University of Maryland Baltimore County, U.S.A.
About the Book:
The book addresses stability problems for linear systems with
parametric uncertainty. A basic convexity approach recovers many known
results associated with stability of polynomial families whose
coefficients are affine functions of parameters, in particular
Kharitonov's Theorem is obtained as a special particular case.
In many engineering problems coefficients of a characteristic
function depend on parameters in a non linear way. When the coefficients
are multi linear functions of parameters the Mapping Theorem of Zadeh
and Desoer provides simple and elegant sufficient stability conditions.
However, in many practical situations these conditions are
excessively conservative. Furthermore, even in the simplest case of
quasipolynomial families with interval coefficients and interval delays
the exponential dependence of the characteristic quasipolynomial on the
delays can not be handled by the Mapping Theorem.
An application of convexity techniques leads to new computationally
tractable stability criteria for families of characteristic functions
with non linear dependence on the parameters. Stability results covering
special cases of linear systems with parameter multiaffine uncertainties,
as well as stability criteria for time--delay systems with uncertainties
in coefficients and delays are reported in the book.
The book contains an extensive list of more than 120 recent references
on the subject, and, in addition, provides an access to more than 800
related references.
Contents:
Preface
Chapter 1: Introduction and Motivation
Chapter 2: Stability of Box Polynomial Families
Chapter 3: Stability Radii and Convex Analysis
Chapter 4: Multiaffine Polynomial Families
Chapter 5: Multidimensional Systems and Systems with Commensurate Delays
Chapter 6: Uncertain Time--Delay Systems
Chapter 7: Convexity of Frequency Response Arcs Associated with
Hurwitz Quasipolynomials
Chapter 7: Epilogue
Bibliography
List of Special Symbols
Author Index
Subject Index
To obtain a postscript file which contains the table of contents and the
first two Chapters of the book execute the following commands:
type ftp 130.85.145.16
respond to login prompt as "anonymous"
respond to password prompt as "kogan"
type "cd pub/kogan" to get in my directory
type "get ch1ch2.ps"
type "quit" to get out of ftp
If you need help in this regard e-mail Jacob Kogan at kogan@math.umbc.edu.
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Contributed by: Richard Brualdi
LINEAR ALGEBRA AND ITS APPLICATIONS
Contents Volume 215
Uwe Helmke (Regensburg, Germany) and Mark A. Shayman
(College Park, Maryland)
Critical Points of Matrix Least Squares Distance Functions 1
Johan Kos (Amsterdam, the Netherlands) and Hugo J. Woerdeman
(Williamsburg, Virginia)
Hermitian Completions of Band Matrices and Applications 21
F. O. Farid (Calgary, Alberta, Canada)
Criteria for Invertibility of Diagonally Dominant Matrices 63
Ji-guang Sun (Umea, Sweden)
On Perturbation Bounds for the QR Factorization 95
Janez Mrcun (Ljubljana, Slovenija)
Lipschitz Spectrum Preserving Mappings on Algebras of Matrices 113
J. P. Crouzeix (Aubiere, France), J. E. Martinez-Legas,
and A. Seeger (Barcelona, Spain)
An Alternative Theorem for Quadratic Forms and Extensions 121
Jin-Hsien Wang (Kaohsiung, Taiwan, Republic of China)
The Length Problem for a Sum of Idempotents 135
Vlastimil Ptak (Praha, The Czech Republic)
Decomposition of the Infinite Companion and Interpolation 161
Miroslav Fiedler (Prague, Czech Republic) and
Thomas L. Markham (Columbia, South Carolina)
An Observation on the Hadamard Product of Hermitian Matrices 179
Nader H. Bshouty (Calgary, Alberta, Canada)
Multiplicative Complexity of Direct Sums of Quadratic Systems 183
Krzysztof C. Kiwiel (Warsaw, Poland)
Block-Iterative Surrogate Projection Methods for Convex
Feasibility Problems 225
Moody T. Chu (Raleigh, North Carolina)
Scaled Toda-like Flows 261
Dursun Tasci (Kampus-Konya, Turkey)
On a Conjecture by Goldberg and Newman 275
Author Index 279
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Contributed by: Jan H. van Schuppen (J.H.van.Schuppen@cwi.nl)
Mathematics of Control, Signals, and Systems (MCSS)
TABLE OF CONTENTS
Volume 7, Issue 2
Z.P. Jiang, L. Praly, and A.R. Teel,
Propagating the input to state stability property through
integrators and applications,
95-120.
X. Kong and V. Solo,
Stochastic averaging analysis of a steepest descent type
adaptive time delay estimation algorithm,
121-147.
Gilead Tadmor,
A time varying Beurling-Lax theorem and
a related interpolation problem,
148-166.
Fabio Fagnani and Jan C. Willems,
Interconnections and symmetries of linear differential systems,
167-186.
REMINDER
The new address for submissions is:
J.H. van Schuppen
Co-Editor MCSS
CWI
P.O. Box 94079
1090 GB Amsterdam
The Netherlands
E-mail inquires regarding submission should be addressed
to: mcss@cwi.nl.
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Contributed by: F.L. Lewis,
CALL FOR PAPERS
Neural Networks and Fuzzy Systems
for
Closed-Loop Control Applications
A Special Issue of:
"Journal of Intelligent Control and Systems"
Special Issue Editors:
F.L. Lewis and K. Liu
Automation and Robotics Research Institute
The University of Texas at Arlington
7300 Jack Newell Blvd. S
Ft. Worth, Texas 76118-7115
Papers are solicited for a special issue on Neural Networks
and Fuzzy Systems for Closed-Loop Control Applications of the
"Journal of Intelligent Control and Systems". Both short papers
and regular papers are desired. The format of JICS is identical to
that of IEEE Transactions.
Intelligent controllers have the potential to significantly
improve the performance of complex nonlinear processes. Neural
networks and fuzzy systems have been applied with considerable
success in digital signal processing, decision-making,
classification, and other open-loop applications. However, closed-
loop control applications of neural networks and fuzzy systems have
generally been ad hoc, with no repeatable design algorithms or
proofs of guaranteed stability. In spite of the lack of rigorous
techniques for intelligent control system design, neural network
and fuzzy system controllers have enjoyed remarkable success in
complex control applications. This motivates one to use
mathematical approaches to provide understanding and to shed light
on further possibilities. It is the proofs that yield valuable
information concerning: (1) the structure of the neural or fuzzy
control system, (2) modified learning rules that keep tracking
errors small and adaptive parameters bounded, and (3) additional
control input terms that ensure robustness against unforseen
disturbances. Without guaranteed performance, acceptance of
intelligent controllers by the control systems community and US
industry will not be forthcoming.
Therefore, this special issue will focus on closed-loop
control applications of neural networks and fuzzy systems that
offer repeatable design algorithms and mathematical proofs of
stability and performance. Papers that present simulations
following nonrigorous discussions cannot be included. The
objective of this special issue is to provide a forum for
developing paradigms for intelligent control systems in the sense
of T.S. Kuhn's "Structure of Scientific Revolutions".
The Special Issue will appear in early 1996. Four copies of
manuscripts should be submitted for review by 15 July 1995:
Neural net papers should be addressed to F.L. Lewis
817-794-5972, fax 817-794-5952, flewis@controls.uta.edu
Fuzzy systems papers should be addressed to K. Liu
817-794-5971, 817-794-5952, kliu@controls.uta.edu
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Contributed by: John Baillieul, Editor-in-Chief
IEEE TRANSACTIONS ON AUTOMATIC CONTROL
Table of Contents - Volume 40, Number 3 - March, 1995
___________________________________________________________________________
Scanning the Issue
___________________________________________________________________________
PAPERS
Observer Design for Nonlinear Systems with Discrete-Time Measurements
.................................... P. E. Moraal and J. W. Grizzle
A Probabilistic Approach to Multivariable Robust Filtering and
Open-Loop Control ............... K. Ohrn, A. Ahlen, and M. Sternad
A New Model for Control of Systems with Friction
..... C. Canudas de Wit, H. Olsson, K. J. Astrom, and P. Lischinsky
Adaptive Nonlinear Design with controller-Identifier Separation and
Swapping ............................ M. Krstic and P. V. Kokotovic
Approximate Decoupling and Asymptotic Tracking for MIMO Systems
.................................... D. N. Godbole and S. S. Sastry
A Generalized Orthonormal Basis for Linear Dynamical Systems
......... P. S. C. Heuberger, P. M. J. Vanden Hof, and O. H. Bosgra
H\infty Control via Measurement Feedback for General Nonlinear Systems
............................................ A. Isidori and W. Kang
____________________________________________________________________________
TECHNICAL NOTES AND CORRESPONDENCE
Perturbation Bounds for Root-Clustering of Linear Systems in a Specified
Second Order Subregion ....... W. Bakker, J. S. Luo, and A. Johnson
Comments on "Strictly Positive Real Transfer Functions Revisited"
................................... H. J. Marquez and C. J. Damaren
On Interval Polynomials with No Zeros in the Unit Disc ......... V. Blondel
The Logical Control of An Elevator ............ D. N. Dyck and P. E. Caines
Robust Stability Criteria for Dynamical Systems Including Delayed
Perturbations ............................... H. Wu and K. Mizukami
An Efficient Method for Unconstrained Optimization Problems of Nonlinear
Large Mesh-Interconnected Systems ......... S.-Y. Lin and C.-H. Lin
On the POssible Divergence of the Projection Algorithm
.................................... E. Lefeber and J. W. Polderman
A Comment on the Method of the Closest Unstable Equilibrium Point in
Nonlinear Stability Analysis ........... E. Noldus and M. Loccufier
Boundaries of Conditional Quadratic Forms - A Comment on "Stabilization
via Static Output Feedback" ............. D. Cheng and C. F. Martin
On Robust Stability of 2-D Discrete Systems ...................... W.-S. Lu
Multivariable System Identification via Continued-Fraction
Approximation ........................................ R. Johansson
All Fixed-Order H\infty Controllers: Observer-Based Structure and
Covariance Bounds .................... T. Iwasaki and R. E. Skelton
Intrinsic Difficulties in Using the Doubly-Infinite Time Axis for
Input-Output Control Theory ........ T. T. Georgiou and M. C. Smith
Regional Observability of a Thermal Process
................ A. El Jai, E. Zerrik, M. C. Simon, and M. Amouroux
Towards a Generalized Regulation Scheme for Oscillatory Systems
via Coupling Effects .... K. L. Tuer, M. F. Golnaraghi, and D. Wang
u-Synthesis of An Electromagnetic Syspension Systems
.............. M. Fujita, T. Namerkawa, F. Matsumura, and K. Uchida
Parameter-Dependent Lyapunov Functions and the Popov Criterion in Robust
Analysis and Synthesis ........... W. M. Haddad and D. S. Bernstein
Design of L-Q Regulators for State Constrained Continuous-Time Systems
................................ C. E. T. Dorea and B. E. A. Milani
The Finite Invlusions Theorem ........... R. D. Kaminsky and T. E. Djaferis
Futher Results on Rational Approximations of L1 Optimal Controllers
.......................... Z.-Q. Wang, M. Sznaier, and F. Blanchini
Supervisory Control of Timed Discrete-Event Systems under Partial
Observation ............................... F. Lin and W. M. Wonhan
Apology and Correction to "Process Control and Machine Learning:
Rule-Based Incremental Control" ..... D. Luzeaux and B. Zavidovique
_____________________________________________________________________________
BOOK REVIEWS
Mathematical Control Theory: Deterministic Finite-Dimensional Systems
- Eduardo D. Sontag ........................ Reviewed by S. P. Boyd
____________________________________________________________________________
REVISED 1994 INDEX
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Contributed by: Martha Steenstrup and
Ram Ramanathan
CALL FOR PAPERS FOR WIRELESS NETWORKS SPECIAL ISSUE
We have extended the paper submission date for the following special
issue of Wireless Networks to 1 April 1995.
Call for Papers
For the new journal published in cooperation with the ACM:
WIRELESS NETWORKS
Special Issue: Routing in Mobile Communications Networks
Scope:
Routing in communications networks may be characterized as
transporting information from a source to one or more destinations, so
as to meet the service requirements for that information. In the
context of mobile wireless communications, the routing problem affects
all multi-hop mobile networks including cellular networks, packet
radio networks, and satellite networks. Wireless networks with mobile
components, including mobile switching nodes as well as end nodes,
compound the routing problem with frequent changes in network topology
and link quality. Mobile network topology and link quality may be
deterministic, as in satellite constellations providing world-wide
personal communications services, or it may be highly unpredictable,
as in tactical packet radio networks. Furthermore, there is now
demand for support of real-time multimedia applications, in addition
to phone calls and paging, over mobile wireless networks. Maintaining
uninterrupted high-quality service for distributed applications in the
presence of highly mobile switching and end nodes requires solving a
challenging set of routing-related problems.
For this special issue, we seek papers that provide solutions to
one or more of these problems, including but not limited to the
following:
- Mobile end node location tracking and prediction, emphasizing the
costs and benefits of maintaining up-to-date location information.
- Mobile network topology discovery mechanisms.
- Seamless handover of routes and connections in highly mobile
environments.
- Route selection accounting for quality of service requirements
in mobile wireless networks.
- Routing across interconnected fixed and mobile networks.
- Interactions among routing, flow control, and resource allocation
in mobile wireless networks.
- Multicast distribution in mobile networks.
- Scalable routing in very large mobile networks.
Extensions to existing routing schemes as well as new approaches to
mobile network routing are of interest. The papers should describe
the problems to be solved, including the nature of the mobile
networking environment in which the problems occur, the solutions to
the problems posed, and the cost/benefit tradeoffs of the proposed
solutions.
The authors should send 6 copies of their paper to one of the guest
editors by 1 April 1995. The following time-table shall be followed:
Manuscript Submission Deadline: 1 April 1995
Acceptance Notification: 1 June 1995
Final Manuscript Submission Deadline: 1 August 1995
Publication Date: December 1995.
Guest Editors:
Martha Steenstrup
Bolt Beranek and Newman Inc.
10 Moulton Street
Cambridge, MA 02138
Telephone: (617) 873-3192
Facsimile: (617) 873-3776
Internet: msteenst@bbn.com
Ram Ramanathan
Bolt Beranek and Newman Inc.
10 Moulton Street
Cambridge, MA 02138
Telephone: (617) 873-2736
Facsimile: (617) 873-3776
Internet: ramanath@bbn.com
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Contributed by: nelson@siam.org
SIAM REVIEW, VOL. 37, NO. 1, MARCH 1995, TABLE OF CONTENTS
Articles Mathematical Morphology: A Modern Approach in Image
Processing Based on Algebra and Geometry
Henk J. A. M. Heijmans
A Chaotic Exploration of Aggregation Paradoxes
Donald G. Saari
Anti-plane Shear Deformations in Linear and Nonlinear Solid
Mechanics
C. O. Horgan
Case Study from Industry
Optimizing Continuous Caster Product Dimensions: An Example
of a Nonlinear Design Problem in the Steel Industry
Francis J. Vasko and Kenneth L. Stott
Classroom Notes in Applied Mathematics
Sensible Rules for Remembering Duals--the S-O-B Method
Arthur T. Benjamin
How Many Shuffles to Mix a Deck?
Joseph B. Keller
A Resonant Line Structure Consisting of Rational Right
Triangles
Sid Deutsch
A Unified Proof for the Convergence of Jacobi and
Gauss-Seidel Method
Roberto Bagnara
Problems and Solutions
Book Reviews
Global Behavior of Nonlinear Difference Equations (V. L.
Kocic and G. Ladas) Ravi P. Agarwal
Network Flows (R. K Ahuja, T. L. Magnanti, and J. B. Orlin)
Michael O. Ball
Catalan's Conjecture (P. Ribenboim) J. W. S. Cassels
Evolutionary Integral Equations and Applications (J. Pruss)
C. Corduneanu
Catastrophe Theory (Domenico P. L Castrigiano and Sandra A.
Hayes) David Chillingworth
Moving-Grid Methods for Time-Dependent Partial Differential
Equations (P. A. Zegeling) Thomas K. DeLillo
Schur's Algorithm and Several Applications (M. Bakonyi and
T. Constantinescu) A. E. Frazho
Numerical Solution of Ordinary Differential Equations (L.F.
Shampine) I. Gladwell
Partial Differential Equations in Classical Mathematical
Physics (I. Rubinstein and L. Rubinstein) Ronald B.
Guenther
Viscous Vortical Flows (L. Ting and R. Klein) Max D.
Gunzburger
Codes, Puzzles, and Conspiracy (Dennis Shasha) Glen Richard
Hall
Computational Geometry in C (J. O'Rourke) Christoph M.
Hoffmann
The Essence of Chaos (E. N. Lorenz) Philip Holmes
Operator-Limit Distributions in Probability Theory (Z. J.
Jurek and J. D. Mason) W. N. Hudson
Introduction to Maple (Andre Heck) Wolfram Koepf
Singularity Theory and Equivariant Symplectic Maps (Thomas
Bridges and Jacques E. Furter) Kenneth R. Meyer
Random Series and Stochastic Integrals: Single and Multiple
(Stanislaw Kwapien and Wojbar A. Woyczynski) Philip Protter
Ray Methods for Nonlinear Waves in Fluids and Plasmas (A. M.
Anile, J. K. Hunter, P. Pantano, and G. Russo) Jeffrey
Rauch
A First Course in Discrete Dynamical Systems (R. A.
Holmgren) James T. Sandefur
Completeness of Root Functions of Regular Differential
Operators (S. Yakubov) Hans Triebel
Selected Collections
Chronicle
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Contributed by: A. H. Zemanian (zeman@sbee.sunysb.edu)
Table of Contents for:
CIRCUITS, SYSTEMS, AND SIGNAL PROCESSING
Vol. 14, No. 2, 1995
Behavior of Hilbert networks under perturbations of their elements
Vaclav Dolezal
Design considerations and stability of a digital filter with
finite wordlength
J.Hocherman and E.Zeheb
On the design of feedback controllers to achieve prescribed initial
value constraints
P.J.Warden and R.Saeks
Circuit duality for recurrent Markov processes
S.Kalpazidou
An improved scheme for
direct adaptive control of dynamical systems
using backpropagation neural networks
K.P.Venugopal, R.Sudhakar, and A.S.Pandya
Estimation of direction-of-arrivals based on the array manifold space
Yifeng Zhou and Patrick C.Yip
AR models for wideband source location
Jingyun and P.Yip
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* *
* Conferences *
* *
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Contributed by: Pablo A. Iglesias (pi@ruth.ece.jhu.edu)
29th CONFERENCE ON INFORMATION SCIENCES AND SYSTEMS
March 22-24, 1995
The Johns Hopkins University
Baltimore, Maryland
The Twenty-Ninth Annual Conference on Information Sciences and Systems
will be held on March 22, 23, and 24, 1995 at The Johns Hopkins
University in Baltimore, Maryland under the sponsorship of the
Department of Electrical and Computer Engineering. The Conference
will host sessions on communications, control, signal processing and
computers.
Further information, including
o Preliminary Program
o Registration Information
o Hotel and Travel Information
is available via the www page:
http://www.ece.jhu.edu/dept/ciss95.html
For registration information, please contact the Conference
Coordinator:
Ms. Katharine Rylaarsdam
Department of Electrical and Computer Engineering
The Johns Hopkins University
Baltimore, Maryland 21218
Telephone: (410) 516-7033
Fax: (410) 516-5566
Email: ciss@psi.ece.jhu.edu
For other information contact the Program Directors:
Brian L. Hughes and Pablo A. Iglesias
Department of Electrical and Computer Engineering
The Johns Hopkins University
Baltimore, Maryland 21218
Telephone: (410) 516-8474 and (410) 516-6026
Fax: (410) 516-5566
Email: ciss95@ruth.ece.jhu.edu
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Contributed by: Ken Zeger
THIRTY-THIRD ANNUAL ALLERTON CONFERENCE
ON COMMUNICATION, CONTROL, AND COMPUTING
OCTOBER 4 - 6, 1995
The Thirty-third Annual Allerton Conference on Communication, Control, and
Computing will be held October 4-6, 1995 at Allerton House, the conference
center of the University of Illinois. Allerton House is located twenty-six
miles south-west of the Urbana-Champaign campus of the University in a wooded
area on the Sangamon River. It is part of the fifteen-hundred acre Robert
Allerton Park, near Monticello, Illinois.
Papers presenting original research are solicited in the areas of
communication systems, information theory and coding, detection and
estimation, communication networks, mobile radio, vector quantization,
source coding, image coding and data compression, control systems, robust
and nonlinear control, adaptive control, optimization, dynamic games, large
scale systems, robotics and automation, manufacturing systems, discrete
event systems, intelligent control, multivariable control, adaptive signal
processing, learning theory, neural networks, and numerical methods for
signals and systems, multiple-access communications, digital radio,
high-speed packet switches for telecommunications, queueing networks,
discrete event systems, and automatic highway systems.
Information for authors: Regular papers, suitable for presentation in twenty
minutes, and short papers, suitable for presentation in ten minutes, are
solicited. The purpose of the short paper category is to encourage authors
to present preliminary results of their work. Regular papers will be
published in full (subject to a maximum length of ten 8.5 x 11 inch pages)
in the Conference Proceedings, while short papers will be limited to
two-page summaries in the Proceedings.
For regular papers, a title and a five-to-ten page extended abstract,
including references and sufcient detail to permit careful reviewing, are
required. For short papers, a title and a thousand-word summary are
required. Manuscripts that are submitted as regular papers but cannot be
accommodated in that category will be considered in the short paper
category, unless the authors indicate otherwise.
Two copies of the manuscript should be mailed to 33rd Annual Allerton
Conference, University of Illinois at Urbana-Champaign, Coordinated Science
Laboratory, 1308 West Main Street, Urbana, Illinois 61801-2307, USA in time
to be received by July 24, 1995. Multiple-authored papers should specify
the name and address of the author who is to receive all subsequent
correspondence. Authors will be notified of acceptance by August 22, 1995,
at which time they will also receive detailed instructions for the
preparation of their papers for the Conference Proceedings.
Plenary Speaker: Prof. Alan Laub (UCSB), ``The Matrix Sign Function''
Conference Co-Chairs: Sean Meyn and Ken Zeger
(email: allerton@tornado.csl.uiuc.edu)
url: http://tesla.csl.uiuc.edu/allerton/
COORDINATED SCIENCE LABORATORY
AND DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
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Contrinbuted by: "H.L. Trentelman"
Workshop on the occasion of the Bernoulli year 1995
CONTROL OF UNCERTAIN SYSTEMS
From the Calculus of Variations to
Optimal and Robust Control
Groningen, The Netherlands, August 29 - September 1, 1995
Keynote Speakers:
F.H. CLARKE (Universite' de Montre'al)
The historically persistent issue of nonsmoothness in dynamic
optimization
J.C. DOYLE (Caltech)
A behavioral approach to the control of uncertain systems
K. GLOVER (Cambridge University)
Robust applied control
M.L.J. HAUTUS (Eindhoven University)
The development from the calculus of variations to optimal control
H.H. ROSENBROCK (Manchester)
Human purpose and machines
H.J. SUSSMANN (Rutgers University)
300 years of optimal control: From the brachistochrone through the
calculus of variations to the maximum principle and beyond
Other Speakers:
A. Antoulas (Houston, USA)
P. Bendotti (Paris, France)
S. Bhattacharyya (College Station, U.S.A)
S. Boyd (Berkeley, USA)
F. Colonius (Augsburg, Germany)
M. A. Dahleh (Cambridge, USA)
R. D'Andrea (Pasadena, USA)
F. Fagnani (Pisa, Italy)
P. Gahinet (Rocquencourt, France)
T. T. Georgiou (Minneapolis, USA)
M. Green (Canberra, Australia)
C. Heij (Rotterdam, The Netherlands)
U. Helmke (Regensburg, Germany)
V. Kharitonov (St. Petersburgh, Russia)
H. Kimura (Osaka, Japan)
D. J. N. Limebeer (London, England)
H. Logemann (Bath, England)
D.H. Owens (Exeter, England)
F. Paganini (Pasadena, USA)
I. R. Petersen (Campbell, Australia)
J. W. Polderman (Enschede, The Netherlands)
D. Pratzel Wolters (Kaiserslautern, Germany)
A. Pritchard (Warwick, England)
L. Qui (Hong Kong)
A. Rantzer (Lund, Sweden)
E. Ryan (Bath, England)
C. Scherer (Delft, The Netherlands)
A. A. Stoorvogel (Eindhoven, The Netherlands) <---
R. Tempo (Torino, Italy)
S. Townley (Exeter, England)
A. Tits (Maryland, USA)
A.J. Van der Schaft (Enschede, The Netherlands)
G. Weiss (Beer Sheva, Israel)
P. Whittle (Cambridge, England)
V. Yacubovitch (St. Petersburg, Russia)
J. Zabczyk (Warsaw, Poland)
Program Committee:
R.F. Curtain
D. Hinrichsen
A. Pritchard
J.C. Willems
Organizing Committee:
J.W. Nieuwenhuis
C. Praagman
H.L. Trentelman
1995 is the Johann Bernoulli year in Groningen. It is exactly 300 years
since he was appointed a Professor of Mathematics at the University of
Groningen. The workshop is being held to mark this occasion.
It is also part of an EEC Collaborative Grant between the Universities of
Warwick, Bremen, and Groningen. Those who wish to attend the workshop should
apply before June 1, 1995 to
H.L. Trentelman
Mathematics Institute
P.O. Box 800
9700 AV Groningen
The Netherlands
Email: h.l.trentelman@math.rug.nl
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Contributed by: Petko Petkov
NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
AUTOMATICS AND INFORMATICS'95
November 7-9, 1995
Sofia, Bulgaria
FIRST ANNOUNCEMENT
TOPICS AND THEMES
* Control theory * Modelling and identification
* Adaptive and robust control * H-infinity control
* Intelligent control * Process control
* Low cost automation * Sensors
* Robotics and automotive control * Environment protection
* Distributed computer systems * Computer networks
* New information technologies * Artificial intelligence
* Parallel algorithms * Neural networks
* Data analysis * Business informatics
PAPERS
Prospective authors should submit a two page summary to the Technical
Secretariat by April 15, 1995. The authors will be notified for the
acceptance
of their papers by June 1. The full papers must be submited in two copies
by July 15, 1995.
INVITED SESSIONS
Proposals for invited sessions should be submitted by April 15, 1995. Each
invited session should comprise four or five lectures of 30 minutes each. The
proposal should contain the title and author's name of each lecture.
TIME AND LOCATION
The conference will take place from Tuesday November 7 to Thursday November
9, 1995 in the House of Science and Technics of the Bulgarian Uion of
Automatics and Informatics, Sofia.
REGISTRATION FEE
The registration fee of the conference is 100 US $.
ACCOMODATION
Information about hotel reservations will be provided to participants.
TECHNICAL SECRETARIAT
Mrs. Margarita Grigorova
AUTOMATICS AND INFORMATICS'95
Union of Automatics and Informatics
108 Rakovsky Str.
1000 Sofia, Bulgaria
Fax: +359 2 801230
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Contributed by: Oded.Maler@imag.fr
The Second European Workshop on Hybrid Systems
==============================================
Date: 31.5-2.6.95
Place: Grenoble, France.
Hybrid systems, namely systems in which computers interact with the
physical world, are becoming more and more common in all application
domains. The analysis and design of such systems require a synthesis
of ideas, concepts, mathematical theories and tools that are currently
spread over distinct disciplines, most notably Computer Science and
Control Theory. The goal of this meeting is to contribute to the
reapproachment between those disciplines, by inviting together
computer scientists and control persons to an informal meeting in which
various approaches to the problem will be presented and discussed.
The emphasis in this workshop, sponsored by the ESPRIT-NSF project
HYBRID EC-US-043, will be on two issues:
* What are the differences between the type of questions asked
in program verification (purely discrete systems) and in control
theory (purely continuous systems)? What are the explicit and implicit
assumptions behind the answers? What is the role of formal methods (or
other tools such as simulators) in actual engineering practice in both
types of systems?
* Case studies and tool demonstration:
participants are encouraged to prepare small real-world
examples of hybrid control problems and demonstrate on those examples
how their proposed methodology works. Tools for automatic analysis
and simulation of hybrid systems will be presented.
It is highly recommended that the goal of building bridges between
disciplines be kept in mind. The presentation should be as clear as
possible for the non-expert in the presenter's discipline, rather than
a demonstration of virtuosity in his or her particular technical
niche. The following speakers will present review/tutorial talks on
various relevant aspects of hybrid systems:
Eugene Asarin, Inst. for Problems of Information Transmission,
Russian Academy of Science, Moscow, Russia.
Zvi Artstein, Department of Mathematics, Weizmann Institute,
Rehovot, Israel.
Michel Fliess, Laboratory of Signals and Systems, Gif-sur-Yvette,
France.
Bud Mishra, Courant Institute, New York University, USA.
Anil Nerode, Mathematical Sciences Research Institute
Cornell University. Ithaca, USA.
Amir Pnueli, Department of Computer Science, Weizmann Institute,
Rehovot, Israel.
Frits Vaandrager, CWI, Amsterdam, Holland.
The meeting will be rather informal and those who wish to present
their work are requested to send a short abstract (3-6 pages) to the
selection committee. Others who wish to participate or demonstrate a
tool should send (preferably by e-mail) a short description of their
interests and previous work on hybrid systems to the selection
committee. The deadline is 15.3.95. Proceedings will be
distributed only for the participants. The registration fees have not
yet been determined but they will not be prohibitive (around 1000 FF
including lunches).
Organizing committee: Oded Maler, Ahmed Bouajjani.
Selection committee: Mats Andersson (Lund),
Albert Benveniste (Rennes), Ahmed Bouajjani (Grenoble, co-chair), Oded
Maler (Grenoble, co-chair), Amir Pnueli (Rehovot and Grenoble), Anders
Ravn (Lyngby), Hans Rischel (Lyngby), Joseph Sifakis (Grenoble).
For further information contact:
Oded Maler,
VERIMAG,
38330 Montbonnot,
France.
Phone: +33 76909635
Fax: +33 76413620
E-mail: Oded.Maler@imag.fr
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Contributed by: bogardo@siam.org
Travel Support for ICIAM 95
SIAM is administering a travel grant program for ICIAM 95 --
the third International Congress on Industrial and Applied
Mathematics -- to be held in Hamburg, Germany, July 3-7. The grants,
which are funded by the National Science Foundation and the
Department of Energy, will provide partial travel support to
qualified applicants.
The awards are intended primarily for young researchers and graduate
students; women and minorities are especially encouraged to apply.
APPLICANTS MUST BE AFFILIATED WITH U.S. INSTITUTIONS. Awards will be
based on merit. Preference will be given to participants in the ICIAM
95 program and to applicants who do not have other travel support for
the meeting.
Typical anticipated awards will range from $800 to $1000. Travel
costs will be reimbursed up to the amount of the award on submission
of a signed travel expense from to SIAM.
The cutoff date for applications is March 15, and final decisions
will be made no later than April 15. Early submission of
applications is encouraged; whenever possible, SIAM will make
decisions and notify applicants as the applications are received.
-----------------------------------------------------------------
For application details send an E-mail to bogardo@siam.org or contact
ICIAM 95 Coordinator
c/o SIAM
3600 University City Science Center
Philadelphia, PA 19104-2688
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Contributed by: M. Vidyasagar (sagar@cair.ernet.in)
INTERNATIONAL SYMPOSIUM ON INTELLIGENT ROBOTIC SYSTEMS (ISIRS '95)
NOVEMBER 22-24, 1995, BANGALORE, INDIA
FIRST CALL FOR PAPERS
Following the success of the First and Second International Symposia for
Intelligent Robotics (ISIR '91) and {ISIR '93), it is planned to organize
the International Symposium on Intelligent Robotic Systems (ISIRS '95) in
Bangalore, India during November 22-24, 1995. The change of name reflects a
broadening of the scope of the symposium to encompass not merely robotic
systems but intelligent systems of all kinds. As on past occasions there
will be two or three plenary speakers from various parts of the world. In
addition, there will be a one-day tutorial on "Neural Networks and Fuzzy
Logic for Intelligent Control" on November 21. A full social program for
accompanying persons as well as pre- and post- symposium tours will be
organized.
Of special interest to control and system theorists is the fact that
this year's symposium will contain some papers on topics such as
-- Computational learning theory
-- Worst-case and H-infinity identification
-- Neural networks and neurodynamics
-- Intelligent Control
and allied topics.
The weather in Bangalore in November will be delightful. The dates of
the symposium are chosen to coincide with the U.S. Thanksgiving week.
The symposium will be held at the five-star Hotel Ashok, where the special
symposium rates are $ 60 for a single and $ 70 for a double room (cheap!).
There are several interesting places to see in and around Bangalore,
ranging from 900 year-old temples to wildlife sanctuaries.
Previous symposia have seen about 40 overseas papers, and this year's
symposium should have even more. See you in Bangalore in November!
SCOPE OF THE SYMPOSIUM
The scope of the symposium will cover the general areas of intelligent
robotics and intelligent systems. It will encompass but not be limited to:
-- Robot Control -- Motion and Trajectory Planning
-- Grasping -- Mobile Robots
-- Vision and Sensing -- Image Analysis
-- Virtual Reality -- Computational Algebra and Geometry
-- Neural Networks -- Computational Learning Theory
-- Intelligent Control -- Factories of the Future
IMPORTANT DEADLINES
Submission of Extended Abstracts July 31, 1995
Notification of Acceptance August 31, 1995
Final Version of Abstracts Due September 30, 1995
Finished Papers Due November 22, 1995
Dates of the Symposium November 22-24, 1995
INSTRUCTIONS TO AUTHORS
Authors are requested to send an extended abstract of 1,000 to 1,500
words describing their contribution to either of the following:
General Chairman of the Symposium
M. Vidyasagar, Director
Centre for Artificial Intelligence and Robotics
Raj Bhavan Circle, High Grounds
Bangalroe 560 001, INDIA
E-Mail: sagar@cair.ernet.in
Co-Chairman of the Symposium
Mark W. Spong
Coordinated Sciences Laboratory
University of Illinois at Urbana-Champaign
Urbana, IL 61801
U.S.A.
E-Mail: spong@lagrange.csl.uiuc.edu
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* THE END *
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