FAULT DIAGNOSIS FOR DISCRETE EVENT SYSTEMS MODELED BY BOUNDED PETRI NETS

被引:16
|
作者
Ran, Ning [1 ]
Wang, Shouguang [2 ]
Su, Hongye [1 ]
Wang, Chengying [2 ]
机构
[1] Zhejiang Univ, Inst Cyber Syst & Control, State Lab Ind Control Technol, Yuquan Campus, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Gongshang Univ, Sch Informat & Elect Engn, 18,Xuezheng St, Hangzhou 310018, Zhejiang, Peoples R China
基金
浙江省自然科学基金; 中国国家自然科学基金;
关键词
Discrete event systems; Petri nets; fault diagnosis; diagnoser; FAILURE DIAGNOSIS; DIAGNOSABILITY;
D O I
10.1002/asjc.1500
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Fault diagnosis is an important problem in the manufacturing industry. It has been extensively studied in the past few decades both in time-driven systems and discrete event systems. This paper presents a Petri net diagnoser for online fault diagnosis of discrete event systems modeled by bounded labeled Petri nets. First, we present the concept and some properties of an extended basis reachability graph. Next, based on such a graph, we construct a Petri net diagnoser that is used to determine if a fault has occurred. Finally, an example is given to illustrate the application of the proposed diagnoser.
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页码:1532 / 1541
页数:10
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