According to the parameters of a pure electric SUV equipped with a CVT(continuously variable transmission) gearbox, this paper matches the parameters of the drive motor, drive battery, and transmission system. According to the matching parameters, AVL Cruise software was used to model the entire vehicle, and the power and economy of the vehicle were analyzed. The simulation results demonstrated that the matching outcomes satisfied the needs for both power and economics. In order to further improve the economy of pure electric vehicles, the vehicle model is optimized with the final ratio of the vehicle as the optimization parameter and the power consumption per 100 kilometers under NEDC operating conditions as the objective function. On the premise that the power performance meets the requirements, the optimization results show that before and after optimization, the power consumption per 100 Km under NDEC (new European driving cycle) operating conditions is reduced by 1.02KWh, a reduction of 6.01%, and the power consumption per 100 kilometers under WLTP(world light vehicle test procedure) operating conditions is reduced by 0.91KWh, a reduction of 4.97%.


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    Title :

    Matching and optimization of a pure electric vehicle transmission system equipped with a continuously variable transmission gearbox


    Contributors:
    Khan, Zeashan Hameed (editor) / Zhang, Junxing (editor) / Zeng, Pengfei (editor) / Gong, Naifa (author) / Yi, Fan (author) / Wang, Junjie (author) / Yuan, Zhongrui (author) / Li, Zhengrong (author) / Chen, Yang (author)

    Conference:

    Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024) ; 2024 ; Xi'an, China


    Published in:

    Proc. SPIE ; 13163


    Publication date :

    2024-06-05





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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