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		Yang MI,Juntao LI,Wangqing ZHU,Wenlin LI.[en_title][J].Control Theory and Technology,2011,9(4):548~552.[Copy]

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YangMI,JuntaoLI,WangqingZHU,WenlinLI
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(Electric Power and Automation Engineering, Shanghai University of Electric Power;Department of Information and Mathematics, Henan Normal University)

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Received:September 08, 2008Revised:November 07, 2010

基金项目:This work was supported by the National Natural Science Foundation of China (No. 60850004), the Shanghai Natural Science Foundation (No. 09ZR1413200), the Leading Academic Discipline Project of Shanghai Municipal Education Commission Foundation (No. J51303), the Foundation of Henan Educational Committee (No. 2011B120005).

The variable structure controller design for a class of nonlinear uncertain systems based on robust observer

Yang MI,Juntao LI,Wangqing ZHU,Wenlin LI

(Electric Power and Automation Engineering, Shanghai University of Electric Power;Department of Information and Mathematics, Henan Normal University)

Abstract:

The variable structure controller is designed for a class of nonlinear uncertain time-delay system by using robust observer, and incorporating H-infinity control technique, the controller can guarantee the H-infinity performance of sliding mode dynamics and satisfy the reaching condition, which also does not require uncertainties to satisfy matching condition and linear boundary condition. The simulation example is given to illustrate the method.

Key words: Robust observer Variable structure control H-infinity control Time-delay system Linear matrix inequalities