首页|Design and optimisation of single motor electric powertrains considering different transmission topologies
Design and optimisation of single motor electric powertrains considering different transmission topologies
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NSTL
Elsevier
In this paper, a systematic design approach is presented combining an analytic open-source design method for electrical machines (EM) with a novel transmission design approach tailored for the usage within a holistic powertrain optimisation. This allows a co-optimisation of both the EM and the transmission aiming at a globally optimal powertrain system for battery electric vehicles (BEVs). To systematically synthesise transmissions, basic elements are defined, which can be connected individually. Additionally, a generic transmission loss model is introduced allowing to account for transmission losses based on the design approach. Using this methodology, two one-speed and one two-speed transmission configurations are synthesised and optimised in a case study. Applying a multi-objective genetic algorithm, both EM and transmission parameters are optimised aiming at minimal electrical energy consumption and minimal powertrain cost. The results show that the optimal powertrain configuration is sensitive to both EM and transmission design parameters, demonstrating that a comprehensive co-optimisation is necessary to obtain globally optimal electric powertrain solutions.
Battery electric vehicleElectrical machine designGenetic algorithmPowertrain optimisationOne-speed transmissionTwo-speed transmissionLOSSESSYSTEM
Krueger, B.、Keinprecht, G.、Filomeno, G.、Dennin, D.、Tenberge, P.
NSTL
Elsevier
