Firstly, some hybrid powertrain system solutions of mainstream domestic and foreign car companies are introduced, and it is pointed out that a core reason for limited application of P2 parallel scheme in domestic car companies is that dual clutch assembly has always been in the hands of a few international component giants. Then a hybrid dedicated transmission scheme based on eTC is proposed, mainly consisting of an electric torque converter (eTC) and a dual input shaft gearbox. The eTC module includes a planetary mechanism, a motor, and two wet clutches, replacing the dual clutch module. Next, the modes of pure electric drive (EV), differential drive, hybrid drive (HEV), EV to HEV switching, engine & motor alternating drive and gear shifting that the system can achieve are analyzed. Finally, using MATLAB/SIMULINK software, a medium-sized bus is selected to conduct a simulation analysis of power and economy performance of the hybrid system. The results show that the hybrid vehicle has significantly improved power and economy performance compared to the basic one, with a fuel saving rate of over 24%, and has good market application prospects.


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    Title :

    An eTc-Based Dedicated Hybrid Transmission Scheme and Vehicle Performance Analysis


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Zhao, Qian (author) / Zhao, Lijin (author) / Xing, Jie (author) / Duan, Zhihui (author)

    Conference:

    Society of Automotive Engineers (SAE)-China Congress ; 2023 ; Shanghai, China October 25, 2023 - October 27, 2023



    Publication date :

    2024-02-21


    Size :

    12 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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