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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle
World Electr. Veh. J. 2010, 4(1), 156-164; https://doi.org/10.3390/wevj4010156

Load sharing control of dual energy storage power system in heavy duty series hybrid vehicles

1
Department of Automation and Systems Technology, Aalto University, Otaniementie 17, Espoo, 00076 Aalto Finland
2
Department of Electrical Engineering, Aalto University, Otakaari 5, Espoo, 00076 Aalto Finland
*
Author to whom correspondence should be addressed.
Published: 26 March 2010
PDF [501 KB, uploaded 18 May 2018]

Abstract

Heavy duty off-road vehicle (HDOR) duty cycles are very different than passenger car cycles. HDOR duty cycles are characterized by heavy transient loads and highly varying constant power demands. Straddle carriers and mine loaders can operate 20 hours per day while cars are most of the time idle. Batteries and supercapacitors have different qualities in terms of power and energy density and cyclic life time. Hybridization of HDOR driveline reduces fuel consumption and contributes to cleaner workspace environment due to reduced emission. This paper presents new load sharing control method for battery & supercapacitor series hybrid heavy-duty off-road vehicle. Both energy storages have separate DC/DCconverters. Control strategy ensures that both energy storages are used optimally based on their characteristic strengths. Implications of this control strategy are reduced consumption and more importantly improved battery lifetime. Control strategy is presented; simulation results for control performance are presented and discussed.
Keywords: Heavy-duty; Energy management; Power flow; Battery; Super capacitor Heavy-duty; Energy management; Power flow; Battery; Super capacitor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Halme, J.; Liukkonen, M.; Suomela, J. Load sharing control of dual energy storage power system in heavy duty series hybrid vehicles. World Electr. Veh. J. 2010, 4, 156-164.

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