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Achievable closed-loop properties of systems under decentralized control: conditions involving the steady-state gain

Campo, Peter J. and Morari, Mafred (1994) Achievable closed-loop properties of systems under decentralized control: conditions involving the steady-state gain. IEEE Transactions on Automatic Control, 39 (5). pp. 932-943. ISSN 0018-9286. doi:10.1109/9.284869.

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The question of the existence of decentralized controllers for open-loop stable multivariable systems which provide particular closed-loop properties is investigated. In particular, we study the existence of decentralized controllers which provide integral action (Type I closed-loop performance) and also demonstrate one or more of: unconditional stability, integrity with respect to actuator and sensor failure, and decentralized unconditional stability. Necessary, sufficient, and, in some cases, necessary and sufficient conditions on the open-loop steady-state gain are derived such that there exists a controller which provides these desired closed-loop characteristics. These results provide the basis for a systematic approach to control structure selection for decentralized controller design.

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Additional Information:© Copyright 1994 IEEE. Reptinted with permission. Manuscript received March 26, 1992; revised May 10, 1993. Recommended by Past Associate Editor, J. S. Freudenberg. This work was performed while the first author was an Alexander von Humboldt Research Fellow at the Technical University of Munich and would not have been possible without the financial support of the Alexander von Humboldt StiftUng. The authors wish to thank Richard D. Braatz for helpful criticisms and suggestions regarding this work.
Subject Keywords:closed loop systems; control system synthesis; decentralized control; multivariable control systems; stability of systems
Issue or Number:5
Record Number:CaltechAUTHORS:CAMieeetac94
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5615
Deposited By: Archive Administrator
Deposited On:26 Oct 2006
Last Modified:08 Nov 2021 20:27

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