Sliding mode fault-tolerant control for T-S fuzzy system: a singular system approach

被引：2
|
作者：
Wang, Dongyun [1 ,2 ]
机构：
[1] Qinhuangdao Vocat & Tech Coll, Qinhuangdao 066100, Hebei, Peoples R China
[2] Yanshan Univ, Sch Mech Engn, Qinhuangdao 066100, Hebei, Peoples R China
来源：
COMPUTATIONAL & APPLIED MATHEMATICS | 2022年 / 41卷 / 08期
关键词：
Fault-tolerant control; T-S fuzzy system; Sliding mode observer; Singular system approach; Linear matrix inequality; DESCRIPTOR SYSTEMS; OBSERVER DESIGN; STABILIZATION; DELAY;
D O I：
10.1007/s40314-022-02126-4
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The problem of sliding mode fault-tolerant control (SMFTC) for T-S fuzzy systems is addressed in this paper. The case that the fuzzy system has different input matrices, and the input uncertainties is considered, which is more universal than the existing results. A sliding mode based observer is constructed to estimate the system states. Then, fuzzy linear sliding surfaces are constructed for the error system and the observer, and the restricted condition that all the input matrices are common existing in many results is removed. In the sequel, a singular system approach (SSA) is developed to deal with the input uncertainties. Meanwhile, an adaptive sliding mode fault-tolerant controller is constructed, which can completely compensate the effects of the fault and stabilize the fault system. Finally, the theoretical method is verified by simulation studies.
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页数：16
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