An optimal structure selection and parameter design approach for a dual-motor-driven system used in an electric bus

作者: Shuo Zhang , Rui Xiong , Chengning Zhang , Fengchun Sun

DOI: 10.1016/J.ENERGY.2015.12.089

关键词:

摘要: Abstract A number of driving system topologies have been developed for electric vehicles, but the topology design and optimal sizing always challenge performance vehicles. This paper attempts to address three aspects. First, two novel were derived from original dual-motor-driven system, efficiency models components built, including motor efficiency, planet gear drag loss wet clutch. Second, a systematic framework was constructed. The feasible region parameters divided into certain grid points, each point represented different results. Then, dynamic programming algorithm applied locate control strategy obtain best points under power levels. After that, bi-level optimization method at these selected find parameters. Last, simulation results showed compared with design, new clutches can reduce energy by 12.4%, 3.36%.

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