Reliable Decentralized Supervisory Control of Discrete Event Systems with Communication Delays

被引：8
作者：
Liu, Fuchun [2 ]
Lin, Hai [1 ,2 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[2] Guangdong Univ Technol, Fac Comp, Guangzhou 510006, Guangdong, Peoples R China
来源：
2009 IEEE/ASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS, VOLS 1-3 | 2009年
关键词：
Discrete event systems; decentralized supervisory control; communication delays; reliable delay-coobservability; reliable control;
D O I：
10.1109/AIM.2009.5229985
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 reliable decentralized supervisory control of discrete event systems (DESs) with communication delays is investigated in this paper. For a system equipped with n local supervisors, we formalize the notion of k-reliable (1 <= k <= n) decentralized supervisor under communication delays, in which some local supervisors are allowed to fail and the system can achieve exactly the specification under any k local supervisors. In particular, necessary and sufficient conditions for the existence of a k-reliable decentralized supervisor under communication delays are presented by means of the modified controllability and reliable delay-coobservability. These results can be reduced to those in [10] if the communication delays are negligible. Moreover, the results of [8] can be regarded as a special case of the proposed k-reliable decentralized control with k = n.
引用
收藏
页码：368 / +
页数：2
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