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Optimal Transient Control of a Heavy DutyDiesel Engine with EGR and VGT
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
2014 (English)In: Proceedings of the 19th IFAC World Congress / [ed] Boje, Edward, Xia, Xiaohua, Cape Town, South Africa: IFAC Papers Online, 2014, Vol. 19, 11854-11859 p.Conference paper, Published paper (Refereed)
Abstract [en]

Optimal control of a heavy duty diesel engine with EGR and VGT during transients is investigated. Minimum time and fuel optimal control problems are defined for transients from low to high output torque. A validated diesel engine model is used with minor changes in order to be suitable for the selected solver. The problem is solved for several feasible minimum EGR fractions and smoke-limiter values in order to provide comparisons. The optimization results show that the smoke-limiter has great effect on the transient duration while the required EGR fraction influences the control signals' shape. The fuel optimal control keeps the control actuators more closed than the time optimal, however both time and fuel optimal results become very similar when high EGR fractions and smoke-limiter values are required.

Place, publisher, year, edition, pages
Cape Town, South Africa: IFAC Papers Online, 2014. Vol. 19, 11854-11859 p.
Keyword [en]
Nonlinear and optimal automotive control, Engine modelling and control
National Category
Control Engineering Vehicle Engineering Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:liu:diva-122630DOI: 10.3182/20140824-6-ZA-1003.01520OAI: oai:DiVA.org:liu-122630DiVA: diva2:869129
Conference
19th IFAC World Congress
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2016-02-02Bibliographically approved

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Llamas, XavierEriksson, Lars

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • 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