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Reducing Operation Emissions and Improving Work Efficiency Using a Pure Electric Wheel Drive Tractor

文献类型： 外文期刊

作者： Wen, Chang-Kai 1 ; Ren, Wen 3 ; Zhu, Qing-Zhen 4 ; Zhao, Chun-Jiang 1 ; Luo, Zhen-Hao 5 ; Zhang, Sheng-Li 3 ; Xie, Bin 5 ; Meng, Zhi-Jun 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Res Ctr Intelligent Equipment, Beijing 100097, Peoples R China

2.State Key Lab Intelligent Agr Power Equipment, Beijing 100097, Peoples R China

3.BYD Co Ltd, Shenzhen 518118, Peoples R China

4.Jiangsu Univ, Coll Agr Engn, Zhenjiang 212013, Peoples R China

5.China Agr Univ, Coll Engn, Beijing 100083, Peoples R China

关键词： Electric tractor; Ploughing unit; Torque distribution; Active ballast; Traction performance

期刊名称：ENGINEERING （ 影响因子：10.1； 五年影响因子：11.6 ）

ISSN： 2095-8099

年卷期： 2024 年 37 卷

页码：

收录情况： SCI

摘要： In response to the problems of excessive greenhouse-gas and particulate emissions and the low traction efficiency of conventional diesel tractors in the field, a purely electric wheel-side drive tractor was studied, including an electric motor drive system, a battery ballast system, and an electro-hydraulic suspension system. This paper develops a dynamics model of an electric tractor-ploughing unit under complex soil conditions, leading to the proposal of an active control method for drive wheel torque and a joint control method for the traction force of the suspension system and the front- and rear-axle loads of a tractor. Finally, the tractor is prototyped and assembled, and ploughing tests are carried out. The ploughing results show that the active torque-distribution control method proposed in this study reduces the tractor slip by 14.83% and increases the traction efficiency by 10.28% compared with the average torquedistribution mode. Compared with the conventional traction control mode, the joint control method for traction and ballast proposed in this paper results in a 3.7% increase in traction efficiency, a 15.05% decrease in slip, and a 4.9% reduction in total drive motor energy consumption. This study will help to improve the operation quality and traction efficiency of electric tractors in complex soil conditions. (c) 2024 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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