Design and Analysis of Fault Diagnosis and Fault-tolerant Control for a Class of MIMO Nonlinear State Systems

被引：2

作者：

Sunan HUANG ^{[1
]}

Kok Kiong TAN ^{[2
]}

机构：

[1] Temasek Laboratories,National University of Singapore

[2] Electrical and Computer Engineering Department,National University of Singapore

来源：

Instrumentation | 2019年 / 6卷 / 04期

关键词：

Fault Diagnosis; Fault Detection; Nonlinear Observer; On-line Approximator; Fault-tolerant Control;

D O I：

10.15878/j.cnki.instrumentation.2019.04.003

中图分类号：

TP277 [监视、报警、故障诊断系统];

学科分类号：

0804 ; 080401 ; 080402 ;

摘要：

This paper presents a fault diagnosis and fault-tolerant control algorithm,which can be used for a class of multi-input multi-output(MIMO) nonlinear state systems.First,a state estimator is proposed,which is able to detect fault occurrence,by using a residual signal.Second,when the state is at an abnormal condition,the fault-tolerant control will be triggered to minimize the impact of the fault occurrence.This fault-tolerant control is designed by using a robust controller(original controller),and an on-line approximator to capture a nonlinear function that indicates the fault occurrence.The detailed analysis is given for the proposed fault accommodation control.

引用

页码：14 / 25

页数：12

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