Incremental state based diagnosis

  • Authors:
  • George M. Coghill;Guofu Wu

  • Affiliations:
  • School of Natural and Computing Sciences, University of Aberdeen, Aberdeen, Aberdeenshire AB24 3UE, Scotland, UK;Ilcom Ltd., Shrewsbury, England, UK

  • Venue:
  • Advanced Engineering Informatics
  • Year:
  • 2009

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Abstract

In this paper we present an incremental diagnostic engine: IMBDE. IMBDE utilises qualitative models, and combines an extended version of Nayak and Williams' ITMS (based on root antecedents) with an incremental version of Reiter's Hitting Set Algorithm to perform incremental state based diagnosis on dynamic process systems. The approach is demonstrated to work by application to an industrial process - an ammonia washer system.