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Active Model-based diagnosis -applied on the JAS39 Gripen fuel pressurization system
Linköping University, Department of Electrical Engineering.
2002 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Aktiv Modellbaserad diagnos -applicerat på JAS39 Gripens tanktrycksättningssystem (Swedish)
Abstract [en]

Traditional diagnosis has been performed with hardware redundancy and limit checking. The development of more powerful computers have made a new kind of diagnosis possible. Todays computing power allows models of the system to be run in real time and thus making model-based diagnosis possible.

The objective with this thesis is to investigate the potential of model-based diagnosis, especially when combined with active diagnosis. The diagnosis system has been applied on a model of the JAS39 Gripen fuel pressurization system.

With the sensors available today no satisfying diagnosis system can be built, however, by adding a couple of sensors and using active model-based diagnosis all faults can be detected and isolated into a group of at most three components.

Since the diagnosis system in this thesis only had a model of the real system to be tested at, this thesis is not directly applicable on the real system. What can be used is the diagnosis approach and the residuals and decision structure developed here.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 90 p.
Series
LiTH-ISY-Ex, 3264
Keyword [en]
Technology, model-based diagnosis, JAS39 Gripen, fuel pressurization, fault isolation, fault detection
Keyword [sv]
TEKNIKVETENSKAP
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-1067OAI: oai:DiVA.org:liu-1067DiVA: diva2:17369
Uppsok
teknik
Available from: 2002-09-02 Created: 2002-09-02

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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