Sensor fault estimation and compensation for time-delay switched systems

被引：56
|
作者：
Du, Dongsheng [1 ,2 ]
Jiang, Bin [1 ]
Shi, Peng [3 ,4 ,5 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Jiangsu, Peoples R China
[2] Huaihai Inst Technol, Sch Sci, Lianyungang 222005, Jiangsu, Peoples R China
[3] Univ Glamorgan, Dept Comp & Math Sci, Pontypridd CF37 1DL, M Glam, Wales
[4] Victoria Univ, Sch Sci & Engn, Melbourne, Vic 8001, Australia
[5] Univ S Australia, Sch Math & Stat, Mawson Lakes 5095, Australia
来源：
INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE | 2012年 / 43卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
fault compensation; fault estimation; switched system; time delay; UNCERTAIN STOCHASTIC-SYSTEMS; H-INFINITY CONTROL; TOLERANT CONTROL; STABILITY ANALYSIS; NONLINEAR-SYSTEMS; FEEDBACK CONTROL; STATE; OBSERVERS; STABILIZATION; ACCOMMODATION;
D O I：
10.1080/00207721.2010.517867
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 article, the problems of sensor fault estimation and compensation approaches for time-delay switched systems are investigated based on a switched descriptor observer approach. First, a novel time-delay switched descriptor state observer is proposed to estimate both the state and sensor fault. The proposed observer technique is also extended to systems with nonlinearities. Then, based on the estimation of the sensor fault, an efficient fault-tolerant operation can be realised via sensor fault compensation. Finally, an example is given to show the efficiency of the developed techniques.
引用
收藏
页码：629 / 640
页数：12
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