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Article

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

by
Guangxiao Shen
1,
Quancheng Dong
1,*,
Congfeng Tian
2,
Wenbo Chen
2,
Xiangjie Huang
2 and
Jinwei Wang
1
1
School of Mechanical Engineering, University of Jinan, Jinan 250022, China
2
Shantui Construction Machinery Co., Ltd., Jining 272073, China
*
Author to whom correspondence should be addressed.
Energies 2025, 18(19), 5136; https://doi.org/10.3390/en18195136 (registering DOI)
Submission received: 23 August 2025 / Revised: 15 September 2025 / Accepted: 25 September 2025 / Published: 26 September 2025
(This article belongs to the Section E: Electric Vehicles)

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.
Keywords: dynamics model; hierarchical control; integral sliding mode control; pure electric bulldozer dynamics model; hierarchical control; integral sliding mode control; pure electric bulldozer

Share and Cite

MDPI and ACS Style

Shen, G.; Dong, Q.; Tian, C.; Chen, W.; Huang, X.; Wang, J. Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed. Energies 2025, 18, 5136. https://doi.org/10.3390/en18195136

AMA Style

Shen G, Dong Q, Tian C, Chen W, Huang X, Wang J. Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed. Energies. 2025; 18(19):5136. https://doi.org/10.3390/en18195136

Chicago/Turabian Style

Shen, Guangxiao, Quancheng Dong, Congfeng Tian, Wenbo Chen, Xiangjie Huang, and Jinwei Wang. 2025. "Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed" Energies 18, no. 19: 5136. https://doi.org/10.3390/en18195136

APA Style

Shen, G., Dong, Q., Tian, C., Chen, W., Huang, X., & Wang, J. (2025). Research on Control Strategy of Pure Electric Bulldozers Based on Vehicle Speed. Energies, 18(19), 5136. https://doi.org/10.3390/en18195136

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