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Title: A non-square sector condition and its application in deferred-action anti-windup compensator design
Authors: Turner, Matthew C.
Herrmann, G.
First Published: 5-Nov-2013
Publisher: Elsevier for Pergamon, International Federation of Automatic Control (IFAC)
Citation: Automatica, 2014, 50 (1), pp. 268-276 (9)
Abstract: A sector condition for two connected deadzone nonlinearities is provided. By introducing an additional non-square operator which exploits their connectivity, a more general set of sector-like matrix inequalities is obtained. This “non-square” matrix inequality condition is applied to an anti-windup (AW) problem in which the AW compensator is not activated until the unconstrained control signal reaches a well-defined level beyond that of the physical actuator limits. The non-square sector condition allows such “deferred-action” AW synthesis to be performed in a manner much closer to traditional (“immediate”) sector-based AW with either lowered conservatism or decreased computational effort in contrast to recent work. The non-square condition is applicable to other AW problems.
DOI Link: 10.1016/j.automatica.2013.10.007
ISSN: 0005-1098
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2013 Elsevier Ltd. All rights reserved. The file associated with this record is distributed under the Creative Commons “Attribution Non-Commercial No Derivatives” licence, further details of which can be found via the following link:
Appears in Collections:Published Articles, Dept. of Engineering

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