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		Wei GUAN,Guanghong YANG.[en_title][J].Control Theory and Technology,2008,6(4):421~426.[Copy]

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WeiGUAN,GuanghongYANG
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Received:May 10, 2007Revised:March 10, 2008

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Analysis and design of output feedback control systems with actuator saturation

Wei GUAN, Guanghong YANG

(Key Laboratory of Integrated Automation for the Process Industry, Ministry of Education, and College of Information Science and Engineering, Northeastern University, Shenyang Liaoning 110004, China)

Abstract:

A dynamic output feedback controller design approach based on cone complementary linearisation procedure is proposed for linear time-invariant (LTI) systems with actuator saturation. First, the estimation of the domain of attraction is given. Then, a design method to find a larger estimation of the domain of attraction is presented. In the process of design, nonconvex conditions are obtained, so a cone complementary linearisation procedure is exploited to solve the nonconvex feasibility problem. Two examples are given to illustrate the efficiency of the design method.LMI

Key words: Actuator saturation Dynamic output feedback Cone complementary linearisation Domain of attraction