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月球着陆器着陆安全分析方法

苏庆华 赵剡

苏庆华, 赵剡. 月球着陆器着陆安全分析方法[J]. 北京航空航天大学学报, 2012, (11): 1522-1526.
引用本文: 苏庆华, 赵剡. 月球着陆器着陆安全分析方法[J]. 北京航空航天大学学报, 2012, (11): 1522-1526.
Su Qinghua, Zhao Yan. Analysis method for lunar landers landing safety[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1522-1526. (in Chinese)
Citation: Su Qinghua, Zhao Yan. Analysis method for lunar landers landing safety[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1522-1526. (in Chinese)

月球着陆器着陆安全分析方法

基金项目: 航空科学基金资助项目(20100818018)
详细信息
  • 中图分类号: V11

Analysis method for lunar landers landing safety

  • 摘要: 月球着陆器软着陆地点选择及安全着陆实现是探月二期的关键问题.采用不考虑着陆器着陆过程中发动机控制、着陆姿态控制和动力学性能,在计算机上依据低精度月面数据和已有月面典型地形特征分布/形状模型仿真生成高精度着陆区域;根据着陆器的结构尺寸和着陆安全要求对每个安全参数进行计算、比较、判断得到单次着陆安全性,利用蒙特卡洛方法计算多次在仿真地形上的着陆安全概率.试验结果表明:采用这种方法时,着陆器的结构尺寸相同分析结果才有意义.在计算机上仿真生成着陆区域、设置着陆器结构尺寸和安全参数,使其可以用于地面系统的仿真实验,也可在月面软着陆过程中实时分析选定区域的着陆安全概率.

     

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出版历程
  • 收稿日期:  2011-07-31
  • 刊出日期:  2012-11-30

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