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Robustness and performance tradeoffs in control design for flexible structures

Balas, Gary J. and Doyle, John C. (1990) Robustness and performance tradeoffs in control design for flexible structures. In: 29th IEEE Conference on Decision and Control. Vol.6. IEEE , Piscataway, NJ, pp. 2999-3010.

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The design of control laws for the Caltech flexible structure experiment using a nominal design model with varying levels of uncertainty is considered. A brief overview of the structured singular value (µ) H∞ control design, and µ-synthesis design techniques is presented. Tradeoffs associated with uncertainty modeling of flexible structures are discussed. A series of controllers are synthesized based on different uncertainty descriptions. It is shown that an improper selection of nominal and uncertainty models may lead to unstable or poor-performing controllers on the actual system. In contrast, if descriptions of uncertainty are overly conservative, performance of the closed-loop system may be severely limited. Experimental results on control laws synthesized for different uncertainty levels on the Caltech structure are presented.

Item Type:Book Section
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Doyle, John C.0000-0002-1828-2486
Additional Information:© 1990 IEEE.
Record Number:CaltechAUTHORS:20190313-110937657
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Official Citation:G. J. Balas and J. C. Doyle, "Robustness and performance tradeoffs in control design for flexible structures," 29th IEEE Conference on Decision and Control, Honolulu, HI, USA, 1990, pp. 2999-3010 vol.6. doi: 10.1109/CDC.1990.203334
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93772
Deposited By: Tony Diaz
Deposited On:13 Mar 2019 18:31
Last Modified:16 Nov 2021 17:00

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