Research on creep control in dual motor hybrid system

Junchao Jing; Fucheng Zhao; Yiqiang Liu; Zhengxing Dai; Ruiguang Wang

doi:10.1117/12.3046653

27 September 2024 Research on creep control in dual motor hybrid system

Junchao Jing, Fucheng Zhao, Yiqiang Liu, Zhengxing Dai, Ruiguang Wang

Proceedings Volume 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024); 1326147 (2024) https://doi.org/10.1117/12.3046653
Event: 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 2024, Wuhan, China

Abstract

Taking into account the structural characteristics of the dual-motor hybrid powertrain, in the city low-speed operating condition, the vehicle's drive mode during the creeping operation, in order to ensure a smooth and fast vehicle creeping, a highly efficient creeping control method needs to be developed to achieve fast vehicle creeping control. The method was proposed for achieving creep control in a dual-motor hybrid vehicle configuration through power source coordination, following an analysis of the vehicle's configuration. The creep process was segmented into several parts: primary creep force, brake adjustment, and creep force rate control. Real-vehicle testing validated the effectiveness of the control method, with results indicating that during the 6-second creep process, acceleration remained below 1 m/s² and no power fluctuation occurred throughout the entire switching process.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Junchao Jing, Fucheng Zhao, Yiqiang Liu, Zhengxing Dai, and Ruiguang Wang "Research on creep control in dual motor hybrid system", Proc. SPIE 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 1326147 (27 September 2024); https://doi.org/10.1117/12.3046653

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