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Comparison of three electrochemical energy buffers applied to a hybrid bus powertrain with simultaneous optimal sizing energy management
RISE., Swedish ICT, Viktoria.
2014 (Engelska)Ingår i: IEEE transactions on intelligent transportation systems (Print), ISSN 1524-9050, E-ISSN 1558-0016, Vol. 15, nr 3, s. 1193-Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This paper comparatively examines three different electrochemical energy storage systems (ESSs), i.e., a Li-ion battery pack, a supercapacitor pack, a dual buffer, for a hybrid bus powertrain operated in Gothenburg, Sweden. Existing studies focus on comparing these ESSs, in terms of either general attributes (e.g., energy density power density) or their implications to the fuel economy of hybrid vehicles with a heuristic/nonoptimal ESS size power management strategy. This paper adds four original contributions to the related literature. First, the three ESSs are compared in a framework of simultaneous optimal ESS sizing energy management, where the ESSs can serve the powertrain in the most cost-effective manner. Second, convex optimization is used to implement the framework, which allows the hybrid powertrain designers/integrators to rapidly optimally perform integrated ESS selection, sizing, power management. Third, both hybrid electric vehicle (HEV) plug-in HEV (PHEV) scenarios for the powertrain are considered, in order to systematically examine how different the ESS requirements are for HEV PHEV applications. Finally, a sensitivity analysis is carried out to evaluate how price variations of the onboard energy carriers affect the results conclusions._x000D_

Ort, förlag, år, upplaga, sidor
2014. Vol. 15, nr 3, s. 1193-
Nyckelord [en]
convex optimization, Electrified Vehicle, Energy Management Strategy, energy storage, Optimal Sizing
Nationell ämneskategori
Data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-31946DOI: 10.1109/TITS.2013.2294675OAI: oai:DiVA.org:ri-31946DiVA, id: diva2:1151804
Tillgänglig från: 2017-10-24 Skapad: 2017-10-24 Senast uppdaterad: 2018-01-13Bibliografiskt granskad

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