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Controller Order Reduction with Guaranteed Stability and Performance

Lenz, Kathryn E. and Khargonekar, Pramod P. and Doyle, John C. (1988) Controller Order Reduction with Guaranteed Stability and Performance. In: 1988 American Control Conference. IEEE , Piscataway, NJ, pp. 1697-1698. http://resolver.caltech.edu/CaltechAUTHORS:20190315-152803266

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Abstract

In this paper we consider the problem of controller order reduction for control design for robust performance. In practical control design it may be important to have low order controllers. For example, one may want to gain schedule a series of LTI (linear, time invariant) controllers, or give simple physical interpretations to the control dynamics. When solving practical design problems using, say, H∞ software it is common to produce controllers of high order - equal to the sum of the order of the plant plus each of the weighting functions. However, there may be lower order controllers which stabilize the plant and provide satisfactory H∞ closed loop performance. The objectives of a method for controller order reduction within the H∞ framework, then, should be to find low order controllers which stabilize a given plant and provides satisfactory H∞ performance. Ideally, the method should apply to a large class of problems, be easy to implement and be guaranteed to work.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.23919/ACC.1988.4789993DOIArticle
ORCID:
AuthorORCID
Doyle, John C.0000-0002-1828-2486
Additional Information:© 1988 IEEE.
Record Number:CaltechAUTHORS:20190315-152803266
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190315-152803266
Official Citation:K. E. Lenz, P. P. Khargonekar and J. C. Doyle, "Controller Order Reduction with Guaranteed Stability and Performance," 1988 American Control Conference, Atlanta, GA, USA, 1988, pp. 1697-1698. doi: 10.23919/ACC.1988.4789993
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93896
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 Mar 2019 22:38
Last Modified:15 Mar 2019 22:38

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