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Observer Based Feedforward Air-Fuel Control of Turbocharged SI-Engines
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
2005 (English)In: Proceedings of 16th Triennial World Congress, Prague, Czech Republic, IFAC Papers Online, 2005, Vol. 38, 200-205 p.Conference paper (Refereed)
Abstract [en]

Air-fuel control on turbocharged (TC) SI-engines require precise prediction of the cylinder air-charge (CAC). Using an observer it is possible to both estimate the necessary system states and to provide a framework to design the necessary CAC feedforward controller. Here a mean value engine model of a TC SI-engine is used to develop an observer. The output of the observer is fed as an initial condition to a predictor which is used for feedforward of the CAC for air-fuel control. The resulting controller is experimentally validated on a SAAB 2.0 dm3 TC engine using tip-in and tip-out transients. The results show that the excursions in Λ are less than 5%

Place, publisher, year, edition, pages
IFAC Papers Online, 2005. Vol. 38, 200-205 p.
Series
IFAC Proceedings Volumes, ISSN 1474-6670 ; 1
Keyword [en]
automotive control; automotive emissions; engine management; engine modeling; estimators; extended kalman filters; model based control
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-137737DOI: 10.3182/20050703-6-CZ-1902.01921OAI: oai:DiVA.org:liu-137737DiVA: diva2:1107356
Conference
16th Triennial World Congress, Prague, Czech Republic, 4-8 July 2005
Available from: 2017-06-09 Created: 2017-06-09 Last updated: 2017-06-09Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
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Output format
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  • text
  • asciidoc
  • rtf