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Sensor placement for maximum fault isolability

An algorithm is developed for computing which sensors to add to obtain maximum fault detectability and fault isolability. The method is based on only the structural information in a model which means that large and non-linear differential-algebraic models can be handled in an efficient manner. The approach is exemplified on a model of an industrial valve where the benefits and properties of the method is clearly shown.

Erik Frisk and Mattias Krysander

18th International Workshop on Principles of Diagnosis (DX-07), 2007

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