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Rule-Based Control of Series HEVs Derived from Deterministic Dynamic Programming
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-1835-2963
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-1927-1690
2008 (English)Report (Refereed)
Abstract [en]

We present a model of a series HEV including resistive losses in the energy storage and varying efficiency of the combustion engine and generator. An optimal control problem minimizing fuel consumption is solved using the model and deterministic dynamic programming. It is evaluated on several standard city bus driving cycles and the solutions are analyzed to extract rules useful for real-time controlling. The resulting real-time strategy is compared to the optimal control using simulations. The strategy has a threshold value determining when to switch off the generator. This threshold value has a driving cycle dependent optimum giving the minimum increase in fuel consumption compared to the optimal control, and the optimal value can thus be chosen based on driving cycle characteristics. We see that the optimal value is related to the mean power demand of the driving cycle. The proposed real-time strategy performs well, and a minimum increase of 5 % can be achieved even on a driving cycle not used for rule extraction.

Place, publisher, year, edition, pages
2008.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-55910OAI: oai:DiVA.org:kth-55910DiVA: diva2:472109
Available from: 2012-01-27 Created: 2012-01-03 Last updated: 2013-09-05Bibliographically approved

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IR-EE-RT 2008:035(129 kB)278 downloads
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File name FULLTEXT01.pdfFile size 129 kBChecksum SHA-512
a1c244e88d0c0f0f80c016e7189c3679814adf7a8039e8d4ee67a7134576f0c948f62bbd235c32df3c55f4f051210183fd2e369b8d076507f30c344ff05950f5
Type fulltextMimetype application/pdf

Authority records BETA

Sandberg, HenrikWahlberg, Bo

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Neuman, MagnusSandberg, HenrikWahlberg, Bo
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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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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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