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Sensor placement for fault isolation in linear differential-algebraic systems
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
2009 (English)In: Automatica, ISSN 0005-1098, Vol. 45, no 2, 364-371 p.Article in journal (Refereed) Published
Abstract [en]

An algorithm is proposed for computing which sensor additions make a diagnosis requirement specification regarding fault detectability and isolability attainable for a given linear differential-algebraic model. Restrictions on possible sensor locations can be given, and if the diagnosis specification is not attainable with any available sensor addition, the algorithm provides the solutions that maximize specification fulfillment. Previous approaches with similar objectives have been based on the model structure only. Since the proposed algorithm utilizes the analytical expressions, it can handle models where structural approaches fail.

Place, publisher, year, edition, pages
2009. Vol. 45, no 2, 364-371 p.
Keyword [en]
Fault isolation, Diagnosis, Sensor placement, Linear differential-algebraic equations
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-17165DOI: 10.1016/j.automatica.2008.08.013OAI: oai:DiVA.org:liu-17165DiVA: diva2:202154
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CADICS
Available from: 2009-03-07 Created: 2009-03-07 Last updated: 2012-10-01

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Frisk, ErikKrysander, MattiasÅslund, Jan

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