Volume 14, Issue 2 pp. 157-179
Research Article

Dissipative systems: from physics to robust nonlinear control

Antonio A. Alonso

Corresponding Author

Antonio A. Alonso

Process Engineering Group, IIM-CSIC, Eduardo Cabello 6, 36208 Vigo, Spain

Process Engineering Group, IIM-CSIC, Eduardo Cabello 6, 36208 Vigo, Spain===Search for more papers by this author
Carlos V. Fernandez

Carlos V. Fernandez

Process Engineering Group, IIM-CSIC, Eduardo Cabello 6, 36208 Vigo, Spain

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Julio R. Banga

Julio R. Banga

Process Engineering Group, IIM-CSIC, Eduardo Cabello 6, 36208 Vigo, Spain

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First published: 11 December 2003
Citations: 27

Abstract

In this paper, we explore connections between the underlying physics of dissipative systems and nonlinear robust control. In particular, we concentrate on the problem of stabilizing stationary solutions of nonlinear dissipative systems with states distributed in space. Dissipative systems are equipped with an entropy function which we employ to relate dissipation with the Hamilton–Jacobi–Bellman equation. This relation allows us to establish formal links between the dynamic properties of dissipative systems, passivity and optimal stabilizing control, as it is understood in systems theory. Robustness issues in controller design, are also discussed in the context of front or pulse spatial pattern stabilization. Copyright © 2004 John Wiley & Sons, Ltd.

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