Slip and tractive efficiency of an electric tractor with a 4WID E-axle system.

IF 3.9 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Scientific Reports Pub Date : 2025-08-04 DOI:10.1038/s41598-025-08572-4

SeungYun Baek, HyeonHo Jeon, CheolGyu Park, YongJoo Kim

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Abstract

This study aims to verify the performance of an electric tractor equipped with a four-wheel independent driving (4WID) electric axle (E-axle) system through simulation analysis using a MATLAB/Simulink model. The simulation model was validated through bench testing to ensure accuracy and reliability. Simulations were conducted while considering both travel speed and soil conditions to evaluate the slip and tractive efficiency of the electric tractor with the 4WID E-axle system. The results indicate that reducing travel speed decreases slip, which in turn improves tractive efficiency and enhances energy efficiency. The highest tractive efficiency was observed when slip was within the 10-20% range, indicating that this slip range corresponds to the optimal operating condition. The primary findings of this study identify the appropriate slip range and provide fundamental data for developing slip control algorithms for the 4WID E-axle system. Future research will focus on experimental validation and development of control algorithms based on the main results.

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四驱车e轴系统电动拖拉机的滑移和牵引效率。

本研究旨在通过MATLAB/Simulink模型的仿真分析，验证配备四轮独立驱动（4WID）电动桥（E-axle）系统的电动拖拉机的性能。通过台架试验验证了仿真模型的准确性和可靠性。在考虑行驶速度和土壤条件的情况下，对四驱车电动拖拉机的滑移和牵引效率进行了仿真研究。结果表明，降低车速可减少滑移，从而提高牵引效率，提高能效。滑移率在10-20%范围内时，牵引效率最高，表明该滑移率范围对应于最佳工况。本研究的主要结果确定了适当的滑移范围，并为开发四驱车电子轴系统的滑移控制算法提供了基础数据。未来的研究将集中在实验验证和基于主要结果的控制算法的开发上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Scientific Reports Natural Science Disciplines-

CiteScore

7.50

自引率

4.30%

发文量

19567

审稿时长

3.9 months

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