A Procedure Ontology for Advanced Diagnosis of Process Systems

An ontology for representing operation, safety and control procedures is proposed in this paper that supports diagnosis based on following these procedures and combining observed malfunctions with Failure Mode and Effects Analysis (FMEA) information. The procedure ontology is defined within interconnected components of the process plant, diagnostic analysis (where the FMEA is described) and procedures. The proposed method is illustrated on a simple operating procedure.

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