Fuzzy-based hybrid control for nonlinear multivariable system

被引:0
|
作者
Wang, Zhenlei [1 ]
Qian, Feng [2 ]
Qi, Rongbin [2 ]
机构
[1] East China Univ Sci & Technol, Res Inst Automat, Num 130,Meilong Rd, Shanghai 200237, Peoples R China
[2] East China Univ Sci & Technol, State Key Laboratory Chem Engn, Shanghai, Peoples R China
关键词
nonlinear multivariable system; fuzzy logic system; H-infinity control; SCA control; hybrid controller;
D O I
10.1109/ICAL.2007.4338859
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Hybrid controller based on fuzzy logic system is design for a class of nonlinear multivariable systems. The nonlinear systems involve plant uncertainties and external disturbances. The controller is based on a combination of the H-infinity tracking theory, fuzzy logic system and supervisor control algorithm (SCA). The robust stability of the control system is proofed in the paper. When apply the hybrid controller, all the states and signals of the closed-loop system are bounded and H-infinity tracking performance is guaranteed. Consequently, the control performance of the system is greatly improved. The hybrid controller can be applied to more general nonlinear system involving a large class of uncertainties and variations. At last the simulation result is given.
引用
收藏
页码:1764 / +
页数:2
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