Optimal design and implementation of a drivetrain for an ultra-light electric vehicle Online publication date: Wed, 30-Nov-2016
by Isabelle Hofman; Peter Sergeant; Alex Van Den Bossche; Selim Koroglu; Selami Kesler
International Journal of Vehicle Design (IJVD), Vol. 72, No. 3, 2016
Abstract: This paper presents an integrated design of a drivetrain for a single-person ultra-light electric vehicle (ULEV). To calculate losses and efficiency of the inverter, the permanent magnet synchronous machines (PMSMs) and the gearbox, parameterised analytical models are used. For the gearbox - which has a single gear ratio - the studied parameters are the gear ratio, the number of stages, the number of teeth and the module of each spur gear combination. The novelty of the paper is that it learns how the total average efficiency and the total mass of the drivetrain depend on the gear ratio, on the number of stages in the gearbox, on the motor parameters and on the chosen several driving cycles including the new European driving cycle (NEDC). On the basis of the presented results, it is possible to choose the right configuration of power electronics, PMSM and gearbox in order to have a good trade-off between high efficiency and low mass.
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