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Improving system design of a hybrid powertrain using stochastic drive cycles and dynamic programming
KTH.
2007 (Engelska)Ingår i: SAE technical paper series, ISSN 0148-7191Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A new approach for system design of hybrid powertrains was demonstrated in a case study. The method is based on the following presumptions: The performance of a Hybrid Powertrain Concept (HPC) is evaluated using computer simulation; a HPC cannot be correctly evaluated without an Energy Management Strategy (EMS) for the energy buffer; the optimal EMS is different for each HPC. Dynamic programming was used to generate EMSs that were optimal for the vehicles intended traffic environment and for each given HPC, enabling evaluation of a large number of HPCs. Over-adaptation of the EMSs was avoided by using a stochastic drive cycle model. The final delivery is a competitive powertrain component sizing and the corresponding optimal EMS.

Ort, förlag, år, upplaga, sidor
2007.
Nyckelord [en]
Drive cycles, Energy management strategies, Improving systems, Powertrain components, Traffic environment
Nationell ämneskategori
Farkostteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-154716DOI: 10.4271/2007-01-0304Scopus ID: 2-s2.0-84877401334OAI: oai:DiVA.org:kth-154716DiVA, id: diva2:765901
Konferens
2007 World Congress; Detroit, MI; United States; 16 April 2007 through 19 April 2007
Anmärkning

QC 20141125

Tillgänglig från: 2014-11-25 Skapad: 2014-10-27 Senast uppdaterad: 2017-12-05Bibliografiskt granskad

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Johansson, Peter
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