Download PDFOpen PDF in browserInference of fault signatures of discrete-event systems from event logs15 pages•Published: January 6, 2018AbstractIn this paper, we propose a method to diagnose faults in a discrete event system that only relies on past observed logs and not on any behavioural model of the system. Given a set of tagged logs produced by the system, the first objective is to extract from them a set of fault signatures. These fault signatures are represented with a set of critical observations that are the support of the diagnosis method. We first propose a method to compute the fault signatures from an initial log journal and follow with detail on how the signatures can then be updated when new logs are available.Keyphrases: data driven diagnosis, diagnosis, discrete event systems, fault signatures, online diagnosis In: Marina Zanella, Ingo Pill and Alessandro Cimatti (editors). 28th International Workshop on Principles of Diagnosis (DX'17), vol 4, pages 219-233.
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