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Evolutionary L∞ identification and model reduction for robust control

Tan, K.C., and Li, Y. (2000) Evolutionary L∞ identification and model reduction for robust control. Proceedings of the Institution of Mechanical Engineers Part I: Journal of Systems and Control Engineering, 214 (3). pp. 231-238. ISSN 0959-6518 (doi:10.1243/0959651001540591)

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Publisher's URL: http://dx.doi.org/10.1243/0959651001540591

Abstract

An evolutionary approach for modern robust control oriented system identification and model reduction in the frequency domain is proposed. The technique provides both an optimized nominal model and a 'worst-case' additive or multiplicative uncertainty bounding function which is compatible with robust control design methodologies. In addition, the evolutionary approach is applicable to both continuous- and discrete-time systems without the need for linear parametrization or a confined problem domain for deterministic convex optimization. The proposed method is validated against a laboratory multiple-input multiple-output (MIMO) test rig and benchmark problems, which show a higher fitting accuracy and provides a tighter L�¢���� error bound than existing methods in the literature do.

Item Type:Article
Keywords:System identification, model reduction, robust control, evolutionary algorithms
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Li, Prof Yun
Authors: Tan, K.C., and Li, Y.
Subjects:Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > T Technology (General)
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Research Group:Centre for Systems and Control
Journal Name:Proceedings of the Institution of Mechanical Engineers Part I: Journal of Systems and Control Engineering
ISSN:0959-6518
Copyright Holders:Copyright �© 2000 Professional Engineering Publishing
First Published:First published in Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher.

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