Conceptual design of battery electric vehicle powertrains Online publication date: Fri, 20-Mar-2015
by Bartosch Czapnik; Ismail Levent Sarioglu; Hendrik Schröder; Ferit Küçükay
International Journal of Vehicle Design (IJVD), Vol. 67, No. 2, 2015
Abstract: Alternative vehicle powertrain systems are currently the most promising solutions to meet the energetic and ecological challenges in the individual mobility. To accomplish the keen competition, considering the decreasing lead time and costs for a vehicle design and the aim to develop the optimal powertrain design, methods that ensure a quick evaluation of various configurations of a powertrain system are required. Although utilising powertrain simulation models is a common approach in powertrain design, there is a need for quick generalised analytical models. In this paper, an analytical model is developed using the example of a battery electric vehicle (BEV) with the aim of a quick exploration of powertrain design solutions. Moreover, a comparison between the analytical method and a numerical simulative method with respect to their accuracies and complexities is shown. Finally, a Pareto frontier analysis of energy consumption, driving performance, range and cost for BEVs is accomplished.
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