# Chain-Scattering Approach to *H*^{∞} Control

- 72 Citations
- 1 Mentions
- 2.2k Downloads

Part of the Modern Birkhäuser Classics book series (MBC)

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- 72 Citations
- 1 Mentions
- 2.2k Downloads

Part of the Modern Birkhäuser Classics book series (MBC)

The advent of H∞-control was a truly remarkable innovation in multivariable theory. It eliminated the classical/modern dichotomy that had been a major source of the long-standing skepticism about the applicability of modern control theory, by amalgamating the "philosophy" of classical design with "computation" based on the state-space problem setting. It enhanced the application by deepening the theory mathematically and logically, not by weakening it as was done by the reformers of modern control theory in the early 1970s.

The purpose of this book is to provide a natural theoretical framework that is understandable with little mathematical background. The notion of chain-scattering, well known in classical circuit theory, but new to control theorists, plays a fundamental role in this book. It captures an essential feature of the control systems design, reducing it to a J-lossless factorization, which leads naturally to the idea of H∞-control. The J-lossless conjugation, an essentially new notion in linear system theory, then provides a powerful tool for computing this factorization. Thus the chain-scattering representation, the J-lossless factorization, and the J-lossless conjugation are the three key notions that provide the thread of development in this book. The book is completely self contained and requires little mathematical background other than some familiarity with linear algebra.

**Reviews: **

*The book is useful to praciticing engineers in control system design and as a text for a graduate course in H∞-control and its applications. *—**Zentralblatt MATH**

*H. Kimura's textbook is a useful source of information for everybody who wants to learn this part of modern control theory in a thorough manner.* —**Mathematica Bohemica**

*The book provides a quite complete picture of the chain-scattering techniques for the solution of conjugation, factorization and control problems. It somehow complements other books on similar arguments. Therefore, it is intended for graduate students willing to understand the differences between various theoretical approaches to H*∞-*control, as well as to refresh the underlying historical background and similarities with other connected scientific disciplines. *—**IEEE Transactions on Automatic Control**

Algebra H-infinity-control Interpolation J-lossless conjugation and interpolation J-lossless factorization chain-scattering control theory linear algebra linear system theory multivariable theory system systems theory

- DOI https://doi.org/10.1007/978-0-8176-8331-3
- Copyright Information Springer Science+Business Media, LLC 1997
- Publisher Name Birkhäuser Boston
- eBook Packages Springer Book Archive
- Print ISBN 978-0-8176-8330-6
- Online ISBN 978-0-8176-8331-3
- Buy this book on publisher's site