Adaptive observer design for the uncertain Takagi-Sugeno fuzzy system with output disturbance

被引：28
作者：
Dang, T. V. [1 ]
Wang, W. -J. [1 ]
Luoh, L. [2 ]
Sun, C. -H. [3 ]
机构：
[1] Natl Cent Univ, Dept Elect Engn, Jhongli 32001, Taiwan
[2] Chung Hua Univ, Dept Elect Engn, Hsinchu 10608, Taiwan
[3] Tamkang Univ, Dept Mech & Electromech Engn, Tamsui 25137, Taipei County, Taiwan
来源：
IET CONTROL THEORY AND APPLICATIONS | 2012年 / 6卷 / 10期
关键词：
NONLINEAR-SYSTEMS; DESCRIPTOR SYSTEMS; STATE; STABILITY;
D O I：
10.1049/iet-cta.2011.0022
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The study proposes an adaptive fuzzy observer for the uncertain Takagi-Sugeno (T-S) fuzzy system with output disturbance. First, an augmented fuzzy model is built by integrating the system state and the output disturbance together as new variables. Then, the desired adaptive fuzzy observer is designed to estimate the unavailable system state and the unknown output disturbance simultaneously. Based on Lyapunov theory and linear matrix inequalities (LMIs) tools, two main conditions are derived under which the fuzzy observer is designed. Finally, the procedure of the observer design is summarised and the effectiveness of the designed observer is demonstrated with a numerical example.
引用
收藏
页码：1351 / 1366
页数：16
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