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Troubleshooting when Action Costs are Dependent with Application to a Truck Engine
Service Methods Framework Development, Scania, Södertälje, Sweden.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Service Methods Framework Development, Scania, Södertälje, Sweden.
2008 (English)In: 10th Scandinavian Conference on Artificial Intelligence, SCAI 2008, IOS Press, 2008, p. 68-75Conference paper, Published paper (Refereed)
Abstract [en]

We propose a troubleshooting algorithm that can troubleshoot systems with dependent action costs. When actions are performed they may change the way the system is decomposed and affect the cost of future actions. We present a way to model this by extending the traditional troubleshooting model with an additional state that describes which parts of the system that are decomposed. The proposed troubleshooting algorithm searches an AND/OR graph with the aim of finding the repair plan that minimizes the expected cost of repair. We present the heuristics needed to speed up the search and make it competitive with other troubleshooting algorithms. Finally, the performance of the algorithm is evaluated on a probabilistic model of a fuel injection system of a truck.We show that the expected cost of repair can be reduced when compared with an algorithm from previous literature.

Place, publisher, year, edition, pages
IOS Press, 2008. p. 68-75
Series
Frontiers in Artificial Intelligence and Applications, ISSN 0922-6389 ; 173
Keywords [en]
Fault Diagnosis, Decision Theoretic Troubleshooting
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-51207ISI: 000273520700009ISBN: 978-1-58603-867-0 (print)ISBN: e-978-1-60750-335-4 OAI: oai:DiVA.org:liu-51207DiVA, id: diva2:273339
Conference
10th Scandinavian Conference on Artificial Intelligence (SCAI 2008), 26-28 May 2008, Stockholm, Sweden
Available from: 2009-10-21 Created: 2009-10-21 Last updated: 2013-06-26Bibliographically approved

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Warnquist, HåkanNyberg, Mattias

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Total: 329 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf