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		Man LIU,Yuanwei JING,Siying ZHANG.[en_title][J].Control Theory and Technology,2004,2(4):406~410.[Copy]

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ManLIU,YuanweiJING,SiyingZHANG
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Received:August 02, 2004Revised:September 21, 2004

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Regional pole assignment for uncertain delta-operator systems

Man LIU, Yuanwei JING, Siying ZHANG

(Department of Mathematics, Dalian Nationalities University, Dalian Liaoning 116600, China; School of Information Science and Engineenng, Northeastern University, Shenyang Liaoning 110004, China)

Abstract:

The pole assignment in a specified disk by state feedback for uncertain delta-operator systems is studied. By making use of algebra Riccati equations, a sufficient and necessary condition of pole assignment for a kind of parameter uncertain delta-operator system in a specified disk by state feedback is presented. And the design method of state feedback controller is also developed.The proposed method can unify some previous related results of continuous and discrete time systems into the delta framework. The efficiency of the design method is illustrated by a numerical example.

Key words: Delta-operator system Regional pole assignment Uncertainty Robustness Quadratic D stabilizability