State Observer for DES Under Partial Observation with Time Petri Nets

被引：30

作者：

Ghazel, Mohamed ^{[1
]}

Toguyeni, Armand ^{[2
]}

Yim, Pascal ^{[2
]}

机构：

[1] INRETS, ESTAS, French Natl Inst Transport & Safety Res, F-59666 Villeneuve Dascq, France

[2] Ecole Cent Lille, LAGIS, F-59651 Villeneuve Dascq, France

来源：

DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS | 2009年 / 19卷 / 02期

关键词：

Discrete event systems; State observer; Monitoring; Diagnosis; Time Petri net; Partial observability;

D O I：

10.1007/s10626-009-0060-0

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 deals with a state observation approach for Discrete Event Systems with a known behavior. The system behavior is modeled using a Time Petri Net model. The proposed approach exploits temporal constraints to assess the system state and therefore detect and determine faults given partial observability of events. The goal here is to track the system state and to identify the event scenarios which occur on the system. Our approach uses the class graph of the Time Petri Net which models the complete system behavior to develop a state observer which is a base to perform online fault detection and diagnosing.

引用

页码：137 / 165

页数：29

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