Sensor fault tolerant control using sliding mode observers

被引：123
作者：
Edwards, Christopher [1 ]
Tan, Chee Pin
机构：
[1] Univ Leicester, Dept Engn, Control & Instrumentat Res Grp, Leicester LE1 7RH, Leics, England
[2] Monash Univ, Sch Engn, Petaling Jaya 46150, Malaysia
来源：
CONTROL ENGINEERING PRACTICE | 2006年 / 14卷 / 08期
基金：
英国工程与自然科学研究理事会;
关键词：
fault tolerant control; fault detection and isolation; sliding modes; observers;
D O I：
10.1016/j.conengprac.2005.05.002
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Previous work has considered the use of sliding mode observers for fault detection and isolation (FDI) in uncertain linear systems whereby the unknown faults are reconstructed by appropriate processing of the so-called equivalent output error injection. The paper builds on this work and considers such a scheme within the broader context of fault tolerant control. Specifically, by correcting the faulty measurement by an estimate of the fault obtained from the sliding mode FDI scheme, good closed-loop performance is still maintained. An example of such a scheme, which has been implemented in real-time on a laboratory dc motor rig, is described. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：897 / 908
页数：12
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