滑转条件下月球车轮沉陷模型研究
收稿日期: 2012-09-10
修回日期: 2012-12-19
网络出版日期: 2013-01-09
基金资助
国家自然科学基金(50875107);国家"863"计划(2010AA101401-3)
Study on Model for Sinkage of Lunar Rover Wheel Under Slip
Received date: 2012-09-10
Revised date: 2012-12-19
Online published: 2013-01-09
Supported by
National Natural Science Foundation of China (50875107); National High-tech Research and Development Program of China (2010AA101401-3)
金大玮 , 李建桥 , 党兆龙 , 陈百超 , 邹猛 . 滑转条件下月球车轮沉陷模型研究[J]. 航空学报, 2013 , 34(5) : 1215 -1221 . DOI: 10.7527/S1000-6893.2013.0207
In order to ensure its passing ability, a lunar rover should avoid sinkage when it is running on the lunar surface. However, the conventional calculation model of sinkage is not suitable for the lunar rover in the state of dynamic slip. Therefore, a calculation model for the sinkage of wheels is analyzed in this paper. Using the theory of terrain-mechanics, the calculation model for singkage under slip is established based on a calculation model for static sinkage from the two aspects of mechanical parameters and slip ratios. The sinkages obtained by the soil-bin test are compared with those calculated by the model and the calculation model is thus verified. The calculation model may provide the theoretical basis for the prediction of lunar rover sinkage.
Key words： lunar rover wheel; lunar landing; slip; lunar soil simulant; sinkage; calculation model
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