Petri net based diagnostic approach for concurrent discrete event systems

被引:0
|
作者
Windmann, Stefan [1 ]
机构
[1] Fraunhofer IOSB INA, Lemgo, Germany
关键词
anomaly detection; conveying systems; diagnosis; discrete event system; Petri net; FAULT-DIAGNOSIS;
D O I
10.1515/auto-2021-0175
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 introduces a new diagnostic approach for concurrent discrete event systems (DES) in automated production plants. The proposed diagnostic procedure is based on Petri net models of the DES. Discrepancies between the Petri net models and event sequences, which are observed during the operation of the production plant, are detected as potential faults. A case-based diagnosis is then carried out to identify fault types that are easy to interpret for humans. The proposed diagnostic procedure is evaluated using an industrial conveying system.
引用
收藏
页数:12
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