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Improving system design of a hybrid powertrain using stochastic drive cycles and dynamic programming
KTH.
2007 (English)In: SAE technical paper series, ISSN 0148-7191Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2007.
Keywords [en]
Drive cycles, Energy management strategies, Improving systems, Powertrain components, Traffic environment
National Category
Vehicle Engineering
Identifiers
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
Conference
2007 World Congress; Detroit, MI; United States; 16 April 2007 through 19 April 2007
Note

QC 20141125

Available from: 2014-11-25 Created: 2014-10-27 Last updated: 2017-12-05Bibliographically approved

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