Research Article
Guaranteed cost control of T–S fuzzy systems with input delay
Bing Chen,
Chong Lin,
Xiaoping Liu,
Shaocheng Tong,
Corresponding Author
Bing Chen
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China===Search for more papers by this authorChong Lin
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China
Search for more papers by this authorXiaoping Liu
Department of Electrical Engineering, Lakehead University, Thunder Bay, Ont., Canada P7B 5E1
Search for more papers by this authorShaocheng Tong
Department of Basic Mathematics, Liaoning Institute of Technology, Jinzhou 121000, People's Republic of China
Search for more papers by this authorBing Chen,
Chong Lin,
Xiaoping Liu,
Shaocheng Tong,
Corresponding Author
Bing Chen
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China===Search for more papers by this authorChong Lin
Institute of Complexity Science, Qingdao University, Qingdao 266071, People's Republic of China
Search for more papers by this authorXiaoping Liu
Department of Electrical Engineering, Lakehead University, Thunder Bay, Ont., Canada P7B 5E1
Search for more papers by this authorShaocheng Tong
Department of Basic Mathematics, Liaoning Institute of Technology, Jinzhou 121000, People's Republic of China
Search for more papers by this authorAbstract
This paper is concerned with the problem of guaranteed cost control for Takagi–Sugeno (T–S) fuzzy systems with time-varying input delay. The input delay is of interval type, and no restriction is imposed on the derivative of the time delay. Based on free-weighting matrix method, new delay-dependent sufficient conditions for the existence of a fuzzy guaranteed cost controller are provided by means of linear matrix inequalities. Some examples are used to illustrate the effectiveness of the proposed method. Copyright © 2007 John Wiley & Sons, Ltd.
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