Distributed Fault Estimation and Fault-Tolerant Control of Interconnected Systems

被引:67
|
作者
Zhang, Ke [1 ]
Jiang, Bin [1 ]
Chen, Mou [1 ]
Yan, Xing-Gang [2 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 211106, Peoples R China
[2] Univ Kent, Sch Engn & Digital Arts, Canterbury CT2 7NT, Kent, England
基金
中国国家自然科学基金;
关键词
Interconnected systems; Fault tolerance; Fault tolerant systems; Symmetric matrices; Observers; Couplings; Fault diagnosis; fault-tolerant control; interconnected systems; robust fault estimation;
D O I
10.1109/TCYB.2019.2933018
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This article studies the distributed fault estimation (DFE) and fault-tolerant control for continuous-time interconnected systems. Using associated information among subsystems to design the DFE observer can improve the accuracy of fault estimation of the interconnected systems. Based on the static output feedback (SOF), the global outputs of the interconnected systems are used to construct a distributed fault-tolerant control (DFTC). The multiconstrained methods are proposed to enhance the transient performance and ability to suppress the external disturbances simultaneously. The conditions of the presented design methods are expressed in terms of linear matrix inequalities. The simulation results are illustrated to show the feasibility of the presented approaches.
引用
收藏
页码:1230 / 1240
页数:11
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