文档介绍：Lecture Notes in
Control and
Information Sciences
Edited by . Balakrishnan and
12
lan Postlethwaite
Alistair G. J. MacFarlane
plex Variable Approach
to the Analysis of Linear
Multivariable Feedback Systems
Springer-Verlag
Berlin Heidelberg New York 1979
Series Editors
. Balakrishnan • M. Thoma
Advisory Board
A. G. J. MacFarlane • H. Kwakernaak • Ya. Z. Tsypkin
Authors
Dr. I. Postlethwaite,
Research Fellow, Trinity Hall, Cambridge, and
SRC Postdoctoral Research Fellow,
Engineering Department, University of Cambridge.
Professor A. G..I. MacFarlane,
Engineering Department, University of Cambridge,
Control and Management Systems Division,
Mill Laqe,
Cambridge CB2 1RX.
ISBN 3-540-09340-0 Springer-Verlag Berlin Heidelberg NewYork
ISBN 0-387-09340-0 Springer-Verlag NewYork Heidelberg Berlin
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© by Springer-Verlag Berlin Heidelberg 1979
Printed in Germany
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2061/3020-543210
Contents
CHAPTER 1 Introducti0n 1
References 6
CHAPTER 2 Preliminaries 8
System description 8
Feedback configuration ii
Stability 13
-1 Free systems 13
-2 Forced systems 16
Relationship between open- and closed-loop
characteristic polynomials for the general
feedback configuration 17
References 20
CHAPTER 3 Characteristic gain functions and
characteristic frequency 'functions 22
Duality between open-loop gain and
closed