Material Engineering and Mechanical Manufacturing

Study on Model for Sinkage of Lunar Rover Wheel Under Slip

  • JIN Dawei ,
  • LI Jianqiao ,
  • DANG Zhaolong ,
  • CHEN Baichao ,
  • ZOU Meng
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  • 1. Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun 130025, China;
    2. Aircraft and Dynamics Department, Aviation University of the Air Force, Changchun 130022, China;
    3. China Academy of Space Technology, Beijing 100094, China

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)

Abstract

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.

Cite this article

JIN Dawei , LI Jianqiao , DANG Zhaolong , CHEN Baichao , ZOU Meng . Study on Model for Sinkage of Lunar Rover Wheel Under Slip[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(5) : 1215 -1221 . DOI: 10.7527/S1000-6893.2013.0207

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