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Fault Isolation in Discrete Event Systems by Observational Abstraction
Linköping University, Department of Computer and Information Science, TCSLAB - Theoretical Computer Science Laboratory. Linköping University, The Institute of Technology.
Linköping University, Department of Computer and Information Science, TCSLAB - Theoretical Computer Science Laboratory. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2003 (English)In: Proceedings of the 42nd IEEE Conference on Decision and Control, 2003, 5118-5123 vol.5 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose a method for fault isolation in discrete event systems such as object oriented control systems, where the observations are the logged error messages. The method is based on automatic abstraction that preserves only the behavior relevant to fault isolation. In this way we avoid the state space explosion, and a model checker can be used to reason about the temporal properties of the system. The result is a fault isolation table that maps possible error logs to isolated faults, and fault isolation thus reduces to table lookup. The fault isolation table can also be used as an analysis tool at the design level to find both faults that cannot be isolated as well as redundant error messages.

Place, publisher, year, edition, pages
2003. 5118-5123 vol.5 p.
Keyword [en]
Fault isolation, Automatic abstraction, Discrete event dynamical systems
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-61717DOI: 10.1109/CDC.2003.1272448ISBN: 0-7803-7924-1 (print)OAI: oai:DiVA.org:liu-61717DiVA: diva2:370726
Conference
42nd IEEE Conference on Decision and Control, Maui, HI, USA, December, 2003
Available from: 2010-11-17 Created: 2010-11-17 Last updated: 2013-03-29

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Lawesson, DanNilsson, UlfKlein, Inger

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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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