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Asymptotic behavior of a fault diagnosis performance measure for linear systems
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-0808-052X
2019 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 106, p. 143-149Article in journal (Refereed) Published
Abstract [en]

Fault detection and fault isolation performance of a model based diagnosis system mainly depends on the level of model uncertainty and the time allowed for detection. The longer time for detection that can be accepted, the more certain detection can be achieved and the main objective of this paper is to show how the window length relates to a diagnosis performance measure. A key result is an explicit expression for asymptotic performance with respect to window length and it is shown that there exists a linear asymptote as the window length tends to infinity. The gradient of the asymptote is a system property that can be used in the evaluation of diagnosis performance when designing a system. A key property of the approach is that the model of the system is analyzed directly, which makes the approach independent of detection filter design. (C) 2019 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2019. Vol. 106, p. 143-149
Keywords [en]
Fault diagnosability analysis; Fault detection and isolation; Model-based diagnosis; Asymptotic analysis
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-158919DOI: 10.1016/j.automatica.2019.04.041ISI: 000473380000018OAI: oai:DiVA.org:liu-158919DiVA, id: diva2:1338207
Available from: 2019-07-20 Created: 2019-07-20 Last updated: 2019-10-18

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The full text will be freely available from 2021-05-17 11:36
Available from 2021-05-17 11:36

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • Other style
More styles
Language
  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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