Supervisory Control of Networked Timed Discrete Event Systems and Its Applications to Power Distribution Networks

被引:41
|
作者
Zhao, Bo [1 ]
Lin, Feng [2 ,3 ]
Wang, Caisheng [2 ]
Zhang, Xuesong [4 ]
Polis, Michael P. [5 ]
Wang, Le Yi [2 ]
机构
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Jiangsu, Peoples R China
[2] Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USA
[3] Tongji Univ, Sch Elect & Informat Engn, Shanghai 201804, Peoples R China
[4] State Grid Zhejiang Elect Power Res Inst, Hangzhou 310014, Zhejiang, Peoples R China
[5] Oakland Univ, Ind & Syst Engn Dept, Rochester, MI 48309 USA
来源
基金
美国国家科学基金会;
关键词
Networked systems; supervisory control; T-controllability; T-observability; timed discrete-event systems; MINIMAL COMMUNICATION; DELAYS;
D O I
10.1109/TCNS.2015.2482219
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 paper treats the problem of existence of a controller for networked-timed discrete-event systems. The results are new and useful for any networked discrete-event system for which it is important that time be explicitly considered in the model. We assume that a controller (supervisor) communicates with the system to be controlled via a shared communication network. Delays and losses in communication systems and their impacts on control are investigated. Under the assumption that the delays and losses are bounded, we derive a necessary and sufficient condition for the existence of a controller. The condition is expressed as network T-controllability and network T-observability, which are defined in this paper. We apply the results to power distribution network management, and illustrate the application using a 33-node (bus) test system, where the objective is to ensure that the total substation transformer power stays within prespecified safety limits.
引用
收藏
页码:146 / 158
页数:13
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