Fault diagnosis and fault tolerant control for discrete-time linear systems with sensor fault

被引：19

作者：

Du, Dongsheng ^{[1
,2
]}

Cocquempot, Vincent ^{[3
]}

机构：

[1] Huaiyin Inst Technol, Fac Automat, Huaian 223003, Jiangsu, Peoples R China

[2] Nanjing Univ Sci & Technol, Sch Automat, Nanjing 210094, Jiangsu, Peoples R China

[3] Univ Lille, CNRS, Cent Lille, Ctr Rech Informat Signal & Automat Lille,UMR 9189, F-59000 Lille, France

来源：

IFAC PAPERSONLINE | 2017年 / 50卷 / 01期

基金：

美国国家科学基金会;

关键词：

Fault diagnosis; fault tolerant control; descriptor observer; sensor fault;

D O I：

10.1016/j.ifacol.2017.08.2308

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, the problems of sensor fault estimation and accommodation for discrete-time dynamic systems are investigated. Firstly, an augmented system is constructed where the sensor fault variable is added to the state vector. Then based on the descriptor observer technique, the efficient conditions of fault estimation under the disturbance and without the disturbance are both obtained. Finally, a static output feedback controller is employed to tolerate the sensor fault such that the closed-loop system is asymptotically stable. At last, a numerical example is provided to illustrate the proposed technique. (C) 2017, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

引用

页码：15754 / 15759

页数：6

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