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Mathematical Problems in Engineering
Volume 2013, Article ID 248153, 7 pages
Research Article

Delayed Antiwindup Control Using a Decoupling Structure

1State Key Lab for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, China
2Beijing Institute of Near-Space Vehicle's System Engineering, Beijing 100076, China

Received 28 March 2013; Accepted 29 April 2013

Academic Editor: Guanghui Wen

Copyright © 2013 Huawei Zhu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper investigates the antiwindup (AW) control problem for plants with input saturation. The AW compensator is not activated as soon as input saturation occurs as usual. A delayed decoupling structure is first proposed. Then, appropriate linear matrix inequalities (LMIs) are developed to determine a plant-order AW compensator. Effectiveness of the presented AW technique is illustrated by a fighter aircraft model.