Decentralized H-infinity control of complex systems with delayed feedback

被引：29
|
作者：
Bakule, Lubomir [1 ]
Rehak, Branislav [1 ]
Papik, Martin [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Informat Theory & Automat, CR-18208 Prague 8, Czech Republic
来源：
AUTOMATICA | 2016年 / 67卷
关键词：
Decentralized control; H-infinity control; Large-scale systems; Fault-tolerant systems; SYMMETRIC COMPOSITE SYSTEMS; CONTROL DESIGN; STABILIZATION;
D O I：
10.1016/j.automatica.2016.01.013
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The paper studies the problem of decentralized Ho. fault tolerant state feedback control design for a class of continuous-time complex systems composed of identical subsystems and symmetric interconnections. We consider a time-varying interval-bounded delay in the feedback of each channel. Single delay as well as multiple delay cases is considered. By exploiting a particular structure of the systems, sufficient conditions are derived for the gain matrix selection. The controller design is performed using a reduced-order system under linear matrix inequality approach constraints. The asymptotic stability with disturbance attenuation gamma of the overall multiple delay closed-loop system is guaranteed when synthesizing the gain matrix into the decentralized controller. Moreover, sufficient conditions for the H-infinity bound tolerance under local control channel failures of the overall closed-loop system are derived. The tolerance can be easily tested on several low-order systems. A numerical example illustrates the effectiveness of the proposed method. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：127 / 131
页数：5
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