Fault estimation filter design for discrete-time Takagi-Sugeno fuzzy systems

被引：10
作者：
Ding, Da-Wei [1 ]
Du, Xin [2 ]
Xie, Xiangpeng [3 ]
Li, Mo [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Automat & Elect Engn, Beijing 100083, Peoples R China
[2] Shanghai Univ, Sch Mechatron Engn & Automat, Shanghai 200072, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Inst Adv Technol, Nanjing 210023, Jiangsu, Peoples R China
来源：
IET CONTROL THEORY AND APPLICATIONS | 2016年 / 10卷 / 18期
基金：
北京市自然科学基金;
关键词：
FINITE FREQUENCY-DOMAIN; H-INFINITY CONTROL; NONLINEAR-SYSTEMS; STABILITY; STABILIZATION; OBSERVER;
D O I：
10.1049/iet-cta.2016.0318
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 study is concerned with the fault estimation problem of discrete-time Takagi-Sugeno fuzzy systems with low-frequency faults. A fault estimation filter is designed to solve this problem. To make the estimation error as small as possible in the presence of high-frequency disturbances, the filter is designed to satisfy two finite-frequency H-infinity performance indices simultaneously. An algorithm is proposed to calculate the parameters of the desired filter. The obtained filter can estimate the faults in low-frequency domain effectively, e.g. stuck faults. For comparison, a full-frequency fault estimation method is also given. An example is given to illustrate advantages of the proposed finite-frequency method.
引用
收藏
页码：2456 / 2465
页数：10
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