改进了在铺路道路上使用前端装载器的农业拖拉机最大静态摩擦力的预测模型
Kwang-Mo Kim1,2, Dong-Hyeon Gim3, Jeong-Hun Kim1,2
1Department of Biosystems Engineering, Kangwon National University, Chuncheon, Gangwon-do, South Korea.
Journal of agricultural safety and health
|August 12, 2025
概括
通过准确预测最大静态摩擦力,提高了拖拉机在斜坡上的安全性. 使用前和后轴力的新模型与以前的方法相比,显著提高了预测准确性.
科学领域:
- 农业工程 农业工程
- 拖拉机动力学 拖拉机动力学
- 轮胎与表面的相互作用
背景情况:
- 拖拉机滑动,翻转和翻转受到静态摩擦的影响.
- 预测拖拉机静态摩擦的现有模型缺乏足够的准确性.
- 拖拉机的安全性,特别是在斜坡上,由于摩擦预测不足而受到损害.
研究的目的:
- 为了提高先前开发的最大静态摩擦力预测模型的准确性,用于配备前端装载器的拖拉机.
- 为了研究负载条件对拖拉机静态摩擦的影响.
- 使用来自各种拖拉机配置的测量数据来完善预测模型.
主要方法:
- 在不同负载条件下,在铺设道路上测量了三辆拖拉机的最大静态摩擦力.
- 采用回归分析来改进现有预测模型的新数据.
- 使用不同的变量,包括前轴和后轴反应力,比较模型的准确性.
主要成果:
- 最大静态摩擦随着后排压重的增加而增加,随着有效载荷的增加而减少.
- 在这项研究中开发的回归模型显示,与以前的模型相比,回归模型的准确性显著提高.
- 结合前轴和后轴反应力的模型显示出最高的预测准确度.
结论:
- 后轴的反应力对最大静态摩擦的影响比前轴更大.
- 开发的回归模型准确地预测了在铺路面上装有前端装载器的拖拉机的最大静态摩擦.
- 未来的研究应该将这些模型扩展到各种土壤类型和动态条件.
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