Journal of Guangdong University of Technology ›› 2024, Vol. 41 ›› Issue (02): 108-115.doi: 10.12052/gdutxb.220174

• Comprehensive Studies • Previous Articles    

Safe Diagnosis of Pattern Failure of Decentralized Stochastic Discrete Event Systems

Huang Ze-hui, Liu Fu-chun   

  1. School of Compute Science and Technology, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2022-11-21 Published:2024-04-23

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Abstract: Most existing studies of decentralized stochastic discrete-event systems (SDESs) usually focused on faults caused by a single event, while in many practical applications, faults were usually resulted from the successive occurrence of a series of events. To address the problem of detecting such faults, in this paper, a pattern safe diagnosis method is proposed for decentralized SDESs. First, the notion of pattern safe codiagnosability of decentralized stochastic systems is formalized. Then, by constructing a pattern safe codiagnoser, a sufficient and necessary condition of pattern safe codiagnosability is presented based on the pattern safe codiagnoser for decentralized SDESs. As a result, the pattern safe diagnosis for decentralized SDESs can be performed.

Key words: stochastic discrete-event systems, decentralized systems, pattern failure, safe diagnosis

CLC Number: 

  • TP277
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