文献类型： 外文期刊
作者： Huang, Wenqian 1 ; Xu, Feijun 1 ; Ge, Jishuai 1 ; Zhang, Chi 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China
关键词： wheeled tractor;soft soil;RecurDyn;simulation
期刊名称：COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE V, PT III
ISSN： 1868-4238
年卷期： 2012 年 370 卷
页码：
收录情况： SCI
摘要： A simulation model of a wheeled tractor was built using the multi-body dynamics software RecurDyn. The model consisted of four wheels, front and rear axles, and a body frame. An interaction model between tires and soft soil was established using the Soil-tire module of RecurDyn. The simulations of displacement and force of the tires were conducted on 20 degrees up-slope, 44 degrees ultimate up-slope, 20 degrees down-slope and 34 degrees ultimate down-slope roads respectively. The performance of a wheeled tractor over a cylindrical obstacle was analyzed under two different speeds. Results showed that forces of the front wheel were different on different slope roads. The maximum impact force of the front wheel increased by 68% as the up-slope increasing from 20 degrees to 44 degrees. The maximum impact force of the front wheel decreased by 8% when the down-slope changing from 20 degrees to 34 degrees. The maximum force of the front wheel decreased by 16% when the wheeled tractor over a cylindrical obstacle with the speeds decreasing from 1.356m/s to 0.678m/s.
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