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A new perspective on static and low-order anti-windup synthesis

By Matthew C. Turner and Ian Postlethwaite

Abstract

By viewing the anti-windup problem as a decoupled set of subsystems and relating this configuration to a general static anti-windup set-up, LMI conditions are established which guarantee stability and performance of the resulting closed-loop system. The approach taken, and the mapping used for the performance index, are logical and intuitive--and, it is argued, central to the 'true' anti-windup objective. The approach enables one to construct static anti-windup compensators in a systematic and numerically tractable manner. The idea is extended to allow low-order anti-windup compensators to be synthesized, which, while being sub-optimal, can improve transient performance and possess several desired properties (such as low computational overhead and sensible closed-loop pole locations). In addition, low-order anti-windup synthesis is often feasible when the corresponding static synthesis is not.Peer reviewedPost prin

Publisher: Taylor & Francis
Year: 2004
DOI identifier: 10.1080/00207170310001640116
OAI identifier: oai:lra.le.ac.uk:2381/2005
Journal:

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