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Structural Analysis of Fault Isolability in the DAMADICS benchmark

Structural analysis is a powerful tool for early determination of fault detectability/fault 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 modelling to get desired isolability properties of the diagnosis system.

Dilek Dustegör, Erik Frisk, Vincent Coquempot, Mattias Krysander and Marcel Staroswiecki

Control Engineering Practice, 2006

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