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Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed

Author

Listed:
  • Guangxiao Shen

    (School of Mechanical Engineering, University of Jinan, Jinan 250022, China)

  • Quancheng Dong

    (School of Mechanical Engineering, University of Jinan, Jinan 250022, China)

  • Congfeng Tian

    (Shantui Construction Machinery Co., Ltd., Jining 272073, China)

  • Wenbo Chen

    (Shantui Construction Machinery Co., Ltd., Jining 272073, China)

  • Xiangjie Huang

    (Shantui Construction Machinery Co., Ltd., Jining 272073, China)

  • Jinwei Wang

    (School of Mechanical Engineering, University of Jinan, Jinan 250022, China)

Abstract

This study proposes a hierarchical drive control system to ensure speed stability in dual-motor tracked vehicles operating under complex terrain and heavy-load conditions. The system adopts a two-layer structure. At the upper level, the sliding mode controller is designed for both longitudinal speed regulation and yaw rate control, thereby stabilizing straight line motion and the steering maneuvers. At the lower level, a synchronization mechanism aligns the velocities of the two motors, enhancing the vehicle’s robustness against speed fluctuations. Simulation results demonstrate that, across both heavy load and light load bulldozing scenarios, the deviation between the controller output and the reference command remains within 5 % . These findings confirm the accuracy of the control implementation and validate the effectiveness of the proposed framework.

Suggested Citation

  • Guangxiao Shen & Quancheng Dong & Congfeng Tian & Wenbo Chen & Xiangjie Huang & Jinwei Wang, 2025. "Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed," Energies, MDPI, vol. 18(19), pages 1-18, September.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:19:p:5136-:d:1759447
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