Robust Stability of Uncertain Takagi-Sugeno Fuzzy Systems with Time-varying Input-delay  被引量:4

Robust Stability of Uncertain Takagi-Sugeno Fuzzy Systems with Time-varying Input-delay

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作  者:LUO Yah-Bin CAO Yong-Yan SUN You-Xian 

机构地区:[1]Institue of Automation, Hangzhou Dianzi University, Hangzhou 310018, P. R. China [2]State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310027, P.R. China

出  处:《自动化学报》2008年第1期87-92,共6页Acta Automatica Sinica

基  金:Supported by National Basic Research Program of China(973 Program)(2002CB312200);National Natural Science Foundation of China(60474045)

摘  要:This paper aims to design a controller to robustly stabilize uncertain Takagi-Sugeno fuzzy systems with time- varying input delay.Based on Lyapunov-Krasovskii functional approach,the sufficient conditions for robust stabilization of such systems are given in the form of linear matrix inequali- ties.The controller design does not have to require that the time-derivative of time-varying input delay be smaller than one. A numeric example is given to show that the proposed results are effective and less conservative.This paper aims to design a controller to robustly stabilize uncertain Takagi-Sugeno fuzzy systems with timevarying input delay. Based on Lyapunov-Krasovskii functional approach, the sufficient conditions for robust stabilization of such systems are given in the form of linear matrix inequalities. The controller design does not have to require that the time-derivative of time-varying input delay be smaller than one. A numeric example is given to show that the proposed results are effective and less conservative.

关 键 词:鲁棒性 不定Takagi-Sugeno模糊系统 延时输入 线性矩阵不等式 Lyapunov-Krasovskii函数逼近 

分 类 号:TP273[自动化与计算机技术—检测技术与自动化装置]

 

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