Anytime Near-Optimal Troubleshooting Applied to a Auxiliary Truck Braking System
Warnquist, Håkan Pernestål, Anna Nyberg, Mattias
2009 (English)In: Proceedings of the 7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, 2009, 1306-1311Conference paper (Refereed)
We consider computer assisted troubleshooting of complex systems, for example of a vehicle at a workshop. The objective is to identify the cause of a failure and repair a system at as low expected cost as possible. Three main challenges are: the need for disassembling the system during troubleshooting, the difficulty to verify that the system is fault free, and the dependencies in between components and observations. We present a method that can return a response anytime, which allows us to obtain the best result given the available time. The work is based on a case study of an auxiliary braking system of a modern truck. We highlight practical issues related to model building and troubleshooting in a real environment.
National CategoryEngineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-51209DOI: 10.3182/20090630-4-ES-2003.00212ISBN: 978-390266146-3OAI: oai:DiVA.org:liu-51209DiVA: diva2:273344
7th IFAC International Symposium on Fault Detection, Supervision and Safety of Technical Systems, SAFEPROCESS'09; Barcelona; Spain