Fuzzy robust dynamic output feedback control of nonlinear systems with linear fractional parametric uncertainties

被引:55
|
作者
Chang, Xiao-Heng [1 ]
Xiong, Jun [1 ]
Park, Ju H. [2 ]
机构
[1] Wuhan Univ Sci & Technol, Sch Informat Sci & Engn, Wuhan 430081, Hubei, Peoples R China
[2] Yeungnam Univ, Dept Elect Engn, 280 Daehak Ro, Kyongsan 38541, South Korea
基金
中国国家自然科学基金;
关键词
Nonlinear systems; T-S fuzzy systems; Linear fractional parametric uncertainties; Robust dynamic output feedback; H-INFINITY CONTROL; DISTRIBUTED COMPENSATION; TRACKING CONTROL; OBSERVER DESIGN; LMI APPROACH; TAKAGI; STABILIZATION; STABILITY; MODELS; DELAYS;
D O I
10.1016/j.amc.2016.07.001
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, the problem of robust dynamic output feedback control for a class of discrete-time nonlinear systems with parametric uncertainties is studied. The parametric uncertainties are assumed to be of a linear fractional form. First, the Takagi-Sugeno (T-S) fuzzy model is employed to represent the nonlinear system. Then, novel approaches are developed to design the dynamic output feedback controller and sufficient conditions for robust stabilization are obtained in the form of linear matrix inequalities (LMIs). The proposed approaches not only have abilities to effectively handle the parametric uncertainties but also are suitable for the fuzzy system with immeasurable premise variables. Simulation examples are presented to illustrate the design procedures and the effectiveness of the proposed methods. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码:213 / 225
页数:13
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