Distributed Fault Diagnosis in Discrete Event Systems With Transmission Delay Impairments | IEEE Journals & Magazine | IEEE Xplore

Distributed Fault Diagnosis in Discrete Event Systems With Transmission Delay Impairments


Abstract:

This note studies the distributed fault diagnosis problem in partially-observed discrete event systems, where the system is monitored by a group of agents to cooperativel...Show More

Abstract:

This note studies the distributed fault diagnosis problem in partially-observed discrete event systems, where the system is monitored by a group of agents to cooperatively diagnose faults within a finite number of steps. The novelty of this work is the creation of a methodology to verify when the faults can be diagnosed even in the presence of transmission delay impairments. To address this scenario, a new distributed diagnosability condition is proposed, which extends decentralized diagnosability conditions proposed in the literature. Such distributed diagnosability condition is then verified via a novel structure named delay recorder and a new diagnosis function. Theoretical analysis shows that the verification method can successfully determine whether the faults can be diagnosed.
Published in: IEEE Transactions on Automatic Control ( Volume: 69, Issue: 8, August 2024)
Page(s): 5508 - 5515
Date of Publication: 23 February 2024

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