Observer based fault-tolerant control for a class of nonlinear networked control systems

被引：91
|
作者：
Mao, Zehui [1 ]
Jiang, Bin [1 ]
Shi, Peng [2 ,3 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Peoples R China
[2] Univ Glamorgan, Dept Comp & Math Sci, Pontypridd CF37 1DL, M Glam, Wales
[3] Victoria Univ, Sch Engn & Sci, Melbourne, Vic 8001, Australia
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2010年 / 347卷 / 06期
基金：
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词：
Fault-tolerant control; Fault estimation; Observer; Networked control systems; H-INFINITY CONTROL; TIME-DELAY; STABILITY; ACCOMMODATION; FEEDBACK; DESIGN;
D O I：
10.1016/j.jfranklin.2010.01.007
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, we present a fault-tolerant control (FTC) framework for a class of nonlinear networked control systems (NCSs). Firstly, the plant is transformed into two subsystems with one of them decoupled from the system fault. Then, the nonlinear observer is designed to provide the estimation of unmeasurable state and modelling uncertainty, which are used to construct fault estimation algorithm. Considering the sampling intervals occurred by net, a fault-tolerant control method is proposed for such nonlinear NCSs using the impulsive system techniques. The controller gain and the maximum sampling interval, which make the faulty system stable are given. An example is included to show the efficiency of the proposed method. (C) 2010 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：940 / 956
页数：17
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