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Sensor placement for fault diagnosis

An algorithm is developed for computing which sensors to add to meet a diagnosis requirement specification concerning fault detectability and fault isolability. The method is based on only the structural information in a model which means that possibly 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 are clearly shown.

Mattias Krysander and Erik Frisk

IEEE Transactions on Systems, Man, and Cybernetics -- Part A: Systems and Humans, 2008

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