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Using Stochastic Dynamic Programming for look-ahead control of a Wheel Loader Diesel Electric Transmission
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
Volvo Construction Equipment, Eskilstuna, Sweden .
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
2014 (English)In: IFAC Proceedings Volumes / [ed] Edward Boje, University of Cape Town, South Africa and Xiaohua Xia, University of Pretoria, South Africa, IFAC Papers Online, 2014, Vol. 47, 6630-6635 p.Conference paper, Published paper (Refereed)
Abstract [en]

Three Stochastic Dynamic Programming (SDP) implementations are developed for control of a diesel-electric wheel loader transmission. The implementations each use a stochastic description of the load, with the probabilities either independent of the states, dependent on previous power or on distance driven. Both the cycles used for the controller development and for the evaluation are derived from a measured sequence of cycles.

The evaluation shows that SDP can be used for control of the engine speed and that the resulting trajectories from the three implementations are very similar. The most surprising part is that the method which has constant load probability is able to adjust to the actual load. The combination of the calculation efforts and the outcomes leads to the conclusion that the constant load probability implementation is superior to the other versions.

Place, publisher, year, edition, pages
IFAC Papers Online, 2014. Vol. 47, 6630-6635 p.
Series
IFAC Proceedings Volumes (IFAC Papers-OnLine), ISSN 1474-6670
Keyword [en]
Vehicles, Engine control, Hybrid vehicles, Continuously variable transmission, Optimal control, Dynamic programming, Uncertainty, Stochastic variables
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-137810DOI: 10.3182/20140824-6-ZA-1003.01937OAI: oai:DiVA.org:liu-137810DiVA: diva2:1104123
Conference
19th IFAC World Congress, Cape Town, South Africa, 24-29 August 2014
Available from: 2017-05-31 Created: 2017-05-31 Last updated: 2017-08-18Bibliographically approved

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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