Linköpings Universitet

Abstract

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Improving fault isolability properties by structural analysis of faulty behavior models: application to the DAMADICS benchmark problem

Structural analysis is a powerful tool for early determination of detectability/isolability possibilities. It is shown how different levels of knowledge about faults can be incorporated in a structural fault-isolability analysis and how they result in different isolability properties. The results are evaluated on the DAMADICS valve benchmark model. It is also shown how to determine which faults in the benchmark that need further modeling to get desired isolability properties of the diagnosis system.

Erik Frisk, Dilek Dü\cstegör, Mattias Krysander and Vincent Cocquempot

2003

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