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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/26472

Title
Performance limitations for linear feedback systems in the presence of plant uncertainty
Author/Creator
Goodwin, Graham C.;  Salgado, Mario E.;  Yuz, Juan I.
Description
The goal of this paper is to contribute to the understanding of fundamental performance limits for feedback control systems. In the literature to date on this topic, all available results assume that the designer has an exact model of the plant. Heuristically, however, one would expect that plant uncertainty should play a significant role in determining the best achievable performance. The goal of this paper is to investigate performance limitations for linear feedback control systems in the presence of plant uncertainty. We formulate the problem by utilizing stochastic embedding of the uncertainty. The results allow one to evaluate the best average performance in the presence of uncertainty. They also allow one to judge whether uncertainty or other properties, e.g., nonminimum phase behavior, are dominant limiting factors.
Relation
IEEE Transactions on Automatic Control Vol. 48, Issue 8, p. 1312-1319
Publisher Link
http://dx.doi.org/10.1109/TAC.2003.815011
Date
2003
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Keyword(s)
linear systems;  performance index;  uncertainty handling;  feedback control;  performance limits;  plant uncertainty;  stochastic embedding
Resource Type
journal article
Rights
Copyright © 2003 IEEE. Reprinted from IEEE Transactions on Automatic Control, Vol. 48, Issue 8, p. 1312-1319. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Newcastle's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
Identifier
http://hdl.handle.net/1959.13/26472
Identifier
ISSN:0018-9286
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