Incorporating robustness requirements into antiwindup design

Turner, Matthew, Herrmann, Guido and Postlethwaite, Ian (2007) Incorporating robustness requirements into antiwindup design. IEEE Transactions on Automatic Control, 52 (10). pp. 1842-1855. ISSN 0018-9286

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Official URL: http://dx.doi.org/10.1109/TAC.2007.906185

Abstract

This paper treats the problem of synthesizing antiwindup compensators that are able to handle plant uncertainty in addition to controller saturation. The uncertainty considered is of the frequency-weighted additive type, often encountered in linear robust control theory, and representative of a wide variety of uncertainty encountered in practice. The main results show how existing linear matrix inequality based antiwindup synthesis algorithms can be modified to produce compensators that accommodate uncertainty better. Embedded within these results is the ever-present performance - robustness tradeoff. A remarkable feature is that the often criticized internal model control antiwindup solution emerges as an ldquooptimally robustrdquo solution. A simple example demonstrates the effectiveness of the modified algorithms.

Item Type: Article
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Sarah Howells
Date Deposited: 22 Nov 2012 11:37
Last Modified: 10 Aug 2015 11:34
URI: http://nrl.northumbria.ac.uk/id/eprint/10334

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