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Methods of Algebraic Geometry in Control Theory: Part II : Multivariable Linear Systems and Projective Algebraic Geometry - Peter L. Falb

Methods of Algebraic Geometry in Control Theory: Part II

Multivariable Linear Systems and Projective Algebraic Geometry

Hardcover Published: 1st February 2000
ISBN: 9780817641139
Number Of Pages: 390

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"Control theory represents an attempt to codify, in mathematical terms, the principles and techniques used in the analysis and design of control systems. Algebraic geometry may, in an elementary way, be viewed as the study of the structure and properties of the solutions of systems of algebraic equations. The aim of this book is to provide access to the methods of algebraic geometry for engineers and applied scientists through the motivated context of control theory" .* The development which culminated with this volume began over twenty-five years ago with a series of lectures at the control group of the Lund Institute of Technology in Sweden. I have sought throughout to strive for clarity, often using constructive methods and giving several proofs of a particular result as well as many examples. The first volume dealt with the simplest control systems (i.e., single input, single output linear time-invariant systems) and with the simplest algebraic geometry (i.e., affine algebraic geometry). While this is quite satisfactory and natural for scalar systems, the study of multi-input, multi-output linear time­ invariant control systems requires projective algebraic geometry. Thus, this second volume deals with multi-variable linear systems and pro­ jective algebraic geometry. The results are deeper and less transparent, but are also quite essential to an understanding of linear control theory. A review of * From the Preface to Part 1. viii Preface the scalar theory is included along with a brief summary of affine algebraic geometry (Appendix E).

"The exposition is extremely clear. In order to motivate the general theory, the author presents a number of examples of two or three input-, two-output systems in detail. I highly recommend this excellent book to all those interested in the interplay between control theory and algebraic geometry." --Publicationes Mathematicae, Debrecen "This book is the multivariable counterpart of Methods of Algebraic Geometry in Control Theory, Part I!. In the first volume the simpler single-input--single-output time-invariant linear systems were considered and the corresponding simpler affine algebraic geometry was used as the required prerequisite. Obviously, multivariable systems are more difficult and consequently the algebraic results are deeper and less transparent, but essential in the understanding of linear control theory!. Each chapter contains illustrative examples throughout and terminates with some exercises for further study." --Mathematical Reviews

Scalar input or scalar output systems; two or three input, two output systems - some examples; the transfer and Hankel matrices; polynomial matrices; projective space; projective algebraic geometry I - basic concepts; projective algebraic geometry II - regular functions, local rings, morphisms; exterior algebra and grassmannians; the Laurent isomorphism theorem I; projective algebraic geometric III - products, projections, degree; the Laurent isomorphism theorem II; projective algebraic geometry IV - families, projections, degree; the state space - realizations, controllability, observability, equivalence; projective algebraic geometry V - fibres of morphisms; projective algebraic geometry VI - tangents, differentials, simple subvarieties; the geometry quotient theorem; projective algebraic geometry VII -divisors; projective algebraic geometry VIII - intersections; state feedback; output feedback; formal power series, completions, regular local rings, and Hilbert polynomials; specialization, generic points and spectra; differentials; the space nm; review of affine algebraic geometry.

ISBN: 9780817641139
ISBN-10: 0817641130
Series: Systems & Control : Book 2
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 390
Published: 1st February 2000
Country of Publication: US
Dimensions (cm): 24.77 x 17.15  x 2.54
Weight (kg): 0.74