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Fault Isolation for an Industrial Gas Turbine with a Model-Based Diagnosis Approach
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
2010 (English)In: Proceedings of ASME Turbo Expo, ASME Press, 2010, 89-98 p.Conference paper, Published paper (Refereed)
Abstract [en]

Model based diagnosis and supervision of industrial gas turbines are studied. Monitoring of an industrial gas turbine is important as it gives valuable information for the customer about service performance and process health. The overall objective of the paper is to develop a systematic procedure for modelling and design of a model based diagnosis system, where each step in the process can be automated and implemented using available software tools. A new Modelica gas media library is developed, resulting in a significant model size reduction compared to if standard Modelica components are used. A systematic method is developed that, based on the diagnosis model, extracts relevant parts of the model and transforms it into a form suitable for standard observer design techniques. This method involves techniques from simulation of DAE models and a model reduction step. The size of the final diagnosis model is 20% of the original model size. Combining the modeling results with fault isolation techniques, simultaneous isolation of sensor faults and fault tolerant health parameter estimation is achieved.

Place, publisher, year, edition, pages
ASME Press, 2010. 89-98 p.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-89292DOI: 10.1115/GT2010-22511ISBN: 9780791843987 (print)OAI: oai:DiVA.org:liu-89292DiVA: diva2:607629
Conference
ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), June 14–18, 2010, Glasgow, UK.
Available from: 2013-02-25 Created: 2013-02-25 Last updated: 2013-12-03

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Larsson, EmilÅslund, JanFrisk, ErikEriksson, Lars

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CiteExportLink to record
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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