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梯形齿车轮月面牵引性能的离散元分析

崔 燚 李 雯 王 浚 孙 鹏

崔 燚, 李 雯, 王 浚, 等 . 梯形齿车轮月面牵引性能的离散元分析[J]. 北京航空航天大学学报, 2010, 36(3): 253-256.
引用本文: 崔 燚, 李 雯, 王 浚, 等 . 梯形齿车轮月面牵引性能的离散元分析[J]. 北京航空航天大学学报, 2010, 36(3): 253-256.
Cui Yi, Li Wen, Wang Jun, et al. Numerical analysis on traction performance of trapezia lugged wheel by distinct element method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(3): 253-256. (in Chinese)
Citation: Cui Yi, Li Wen, Wang Jun, et al. Numerical analysis on traction performance of trapezia lugged wheel by distinct element method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(3): 253-256. (in Chinese)

梯形齿车轮月面牵引性能的离散元分析

基金项目: 高等学校博士学科点专项科研基金资助项目(20070006012)
详细信息
    作者简介:

    崔 燚(1984-),女,湖北襄樊人,博士生,cuiyi0827@163.com.

  • 中图分类号: V 476.4

Numerical analysis on traction performance of trapezia lugged wheel by distinct element method

  • 摘要: 采用离散元法分析梯形齿车轮在月面软土地形的通过性,提出不规则形状颗粒群系统的离散元建模技术,建立车轮牵引性能参数的细观表达式.基于模拟月壤的直剪实验数据,通过反复调试获得最佳土单元模型参数.轮-土作用的离散元分析结果表明:车轮在月壤地形的牵引性能与滑转率和轮齿结构有关,增加滑转率可获得更高的挂钩牵引力,但同时车轮所需的驱动转矩提高;增加轮齿高度可获得更大的土壤推力,但行驶阻力也相应增大;轮齿数量对车轮牵引性能影响较小,但影响车轮在行驶中的平顺性.

     

  • [1] Nakashima H,Fuji H,Oida A,et al.Parametric analysis of lugged wheel performance for a lunar microrover by means of DEM [J].Journal of Terramechanics,2007,44(2):153-162 [2] Khot L R,Salokhe V M,Jayasuriya H P W,et al.Experimental validation of distinct element simulation for dynamic wheel-soil interaction[J].Journal of Terramechanics,2007,44(6):429-437 [3] 李雯,高峰,贾阳,等.深空探测车单轮牵引通过性的离散元数值模拟[J].北京航空航天大学学报,2008,34(5):524-528 Li Wen,Gao Feng,Jia Yang,et al.Numerical simulation of tractive performance for planetary rover vehicle wheel by discrete element method[J].Journal of Beijing University of Aeronautics and Astronautics,2008,34(5):524-528 (in Chinese) [4] Heiken G H,Vaniman D T,French B M.Lunar sourcebook:a user-s guide to the moon[M].NewYork:Cambridge University Press,1991:296-305 [5] 高峰,李雯,孙刚,等.模拟月壤可行驶性的离散元数值分析[J].北京航空航天大学学报,2009,35(4):1-4 Gao Feng,Li Wen,Sun Gang,et al.Numerical analysis on travelability of lunar soil simulant by means of distinct element method [J].Journal of Beijing University of Aeronautics and Astronautics,2009,35(4):1-4 (in Chinese) [6] Li Wen,Gao Feng,Jia Yang.Tractive performance analysis on radially deployable wheel configuration of lunar rover vehicle by discrete element method[J].Chinese Journal of Mechanical Engineering,2008,21(5):66-72 [7] Kulatilake P H S W,Malama B,Wang J L.Physical and particleflow modeling of jointed rock block behavior under uniaxial loading[J].International Journal of Rock Mechanics & Mining Sciences,2001,38(5):641-657
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出版历程
  • 收稿日期:  2009-03-06
  • 网络出版日期:  2010-03-31

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