Relaxed Stability Condition and State Feedback H∞ Controller Design for T-S Fuzzy Systems

被引:0
|
作者
Chang, Xiao-Heng [1 ]
Yang, Guang-Hong [2 ]
机构
[1] Bohai Univ, Sch Informat Sci & Engn, Liaoning 121013, Jinzhou, Peoples R China
[2] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 110004, Peoples R China
关键词
H-infinity controller; fuzzy Lyapunov approach; stability; T-S fuzzy systems; NONLINEAR-SYSTEMS; LMI; STABILIZATION; OBSERVERS;
D O I
10.1007/s12555-009-0117-8
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, a fuzzy Lyapunov approach is presented for stability analysis and state feedback H-infinity controller design for T-S fuzzy systems. A new stability condition is obtained by relaxing the ones derived in previous papers. Then, a set of LMI-based sufficient conditions which can guarantee the existence of state feedback H-infinity controller for T-S fuzzy systems is proposed. In comparison with the existing literature, the proposed approach not only provides more relaxed stability conditions but also ensures better H-infinity performance. The effectiveness of the proposed approach is shown through two numerical examples.
引用
收藏
页码:139 / 144
页数:6
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