Observer-based fault tolerant control design for a class of LPV descriptor systems

被引:80
|
作者
Rodrigues, Mickael [1 ,2 ]
Hamdi, Habib [3 ]
Braiek, Naceur BenHadj [3 ]
Theilliol, Didier [4 ]
机构
[1] Univ Lyon, Lab Automat & Genie Proc, F-69003 Lyon, France
[2] Univ Lyon 1, CNRS, UMR 5007, F-69622 Villeurbanne, France
[3] Univ Carthage, Tunisia Polytech Sch, Lab Adv Syst, Carthage, Tunisia
[4] Univ Lorraine, CNRS, Ctr Rech Automat Nancy, UMR 7039, Lorraine, France
关键词
H-INFINITY; NONLINEAR-SYSTEMS; FUZZY CONTROL; PERFORMANCE; STABILITY; DIAGNOSIS; FILTER;
D O I
10.1016/j.jfranklin.2014.02.016
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 paper presents a new Fault Tolerant Control (FTC) methodology for a class of LPV descriptor systems that are represented under a polytopic LPV form. The aim of this FTC strategy is to compensate the effects of time-varying or constant actuator faults by designing an Adaptive Polytopic Observer (APO) which is able to estimate both the states of the system and the magnitude of the actuator faults. Based on the information provided by this APO, a new state feedback control law is derived in order to stabilize the system. Stability conditions of the designed observer and the state-feedback control are provided and solved through a set of Linear Matrix Inequalities (LMI) under equality constraints. The performance of the proposed Fault Tolerant Control scheme is illustrated using a two-phase flash system. (C) 2014 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:3104 / 3125
页数:22
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