Output-feedback Control of Interval Type-2 Fuzzy Systems

被引：0
作者：
Sun Xingjian [1 ]
Pan Yingnan [1 ]
Lam Hak-Keung [2 ]
Li Hongyi [3 ]
机构：
[1] BoHai Univ, Math & Phys, Liaoning 121000, Peoples R China
[2] Kings Coll London, Dept Informat, London WC2R 2LC, England
[3] BoHai Univ, Coll Engn, Liaoning 121000, Peoples R China
来源：
2014 33RD CHINESE CONTROL CONFERENCE (CCC) | 2014年
关键词：
Interval type-2 fuzzy system; Fuzzy control; H-infinity control; Lyapunov stability theory; STABILITY ANALYSIS; NONLINEAR-SYSTEMS; DESIGN; LOGIC;
D O I：
暂无
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 is concerned with the problem of output feedback controller design for interval type-2 (IT2) fuzzy systems with mismatch membership functions. The IT2 fuzzy system and the IT2 output feedback controller do not share the same membership function. Firstly, the IT2 Takagi-Sugeno (T-S) fuzzy model and the controller are constructed by considering the mismatch membership functions. Secondly, based on Lyapunov stability theory, the IT2 output feedback controller is designed to guarantee the closed-loop system is asymptotically stable with H-infinity performance. The existence conditions of the controller are obtained in terms of the convex optimization problems, which can be solved by standard software. Finally, simulation result is provided to illustrate the effectiveness of the proposed method.
引用
收藏
页码：4446 / 4451
页数：6
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