H∞ controller design of fuzzy dynamic systems based on piecewise Lyapunov functions

被引:73
|
作者
Feng, G [1 ]
机构
[1] City Univ Hong Kong, Dept Mfg Engn & Engn Management, Kowloon, Hong Kong, Peoples R China
关键词
controller design; fuzzy systems; H-infinity control; linear matrix inequality; piecewise Lyapunov functions;
D O I
10.1109/TSMCB.2003.811500
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a controller design method for fuzzy dynamic systems based on a piecewise smooth Lyapunov function. The basic idea of the proposed approach is to construct controllers for the fuzzy dynamic systems in such a way that a piecewise continuous Lyapunov function can be used to establish the global stability with H-infinity performance of the resulting closed loop fuzzy control systems. It is shown that the control law can be obtained by solving a set of Linear Matrix Inequalities (LMI) that is numerically feasible with commercially available software. An example is given to illustrate the application of the proposed method.
引用
收藏
页码:283 / 292
页数:10
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