Actuator fault estimation based adaptive polytopic observer for a class of LPV descriptor systems

被引：116
|
作者：
Rodrigues, M. [1 ]
Hamdi, H. [2 ]
Theilliol, D. [3 ]
Mechmeche, C. [2 ]
Braiek, N. BenHadj [2 ]
机构：
[1] Univ Lyon, CNRS, UMR 5007, Lab Automat & Proc Control,LAGEP, F-69003 Lyon, France
[2] Univ Carthage, Lab Adv Syst, Tunisia Polytech Sch, Carthage, Tunisia
[3] Univ Lorraine, CNRS, CRAN, F-54506 Vandoeuvre Les Nancy, France
来源：
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2015年 / 25卷 / 05期
关键词：
adaptive polytopic observer; LPV descriptor systems; actuator fault estimation; LMI; DESIGN; IDENTIFICATION; FILTER; STATE;
D O I：
10.1002/rnc.3236
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 an Adaptive Polytopic Observer (APO) design in order to develop an actuator fault estimation method dedicated to polytopic Linear Parameter Varying (LPV) descriptor systems. This paper extends a fault diagnosis method developed for regular LTI systems to polytopic LPV descriptor systems. Here, time-varying actuator faults are also considered, whereas in many papers, actuator faults are generally assumed to be constant. The design and convergence conditions of this APO are provided. The design is formulated through LMI techniques under equality constraints. The performances of the proposed actuator fault estimation scheme are illustrated using an electrical circuit. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：673 / 688
页数：16
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