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环月降轨实现月面着陆的控制策略

李革非 刘勇 马传令 郝大功

李革非, 刘勇, 马传令, 等 . 环月降轨实现月面着陆的控制策略[J]. 北京航空航天大学学报, 2020, 46(1): 13-19. doi: 10.13700/j.bh.1001-5965.2019.0168
引用本文: 李革非, 刘勇, 马传令, 等 . 环月降轨实现月面着陆的控制策略[J]. 北京航空航天大学学报, 2020, 46(1): 13-19. doi: 10.13700/j.bh.1001-5965.2019.0168
LI Gefei, LIU Yong, MA Chuanling, et al. Control strategy of lunar orbit descent to achieve lunar landing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 13-19. doi: 10.13700/j.bh.1001-5965.2019.0168(in Chinese)
Citation: LI Gefei, LIU Yong, MA Chuanling, et al. Control strategy of lunar orbit descent to achieve lunar landing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 13-19. doi: 10.13700/j.bh.1001-5965.2019.0168(in Chinese)

环月降轨实现月面着陆的控制策略

doi: 10.13700/j.bh.1001-5965.2019.0168
基金项目: 

国家自然科学基金 11773004

国家自然科学基金 61573049

详细信息
    作者简介:

    李革非  女, 博士, 研究员。主要研究方向:航天器动力学与控制

    通讯作者:

    李革非, E-mail:sophiebacc@sina.com

  • 中图分类号: V525;V529

Control strategy of lunar orbit descent to achieve lunar landing

Funds: 

National Natural Science Foundation of China 11773004

National Natural Science Foundation of China 61573049

More Information
  • 摘要:

    针对探测器实现月面着陆的问题,对环月降轨轨道控制策略进行了研究。根据环月降轨的控制方程,将环月降轨单脉冲控制变量的不同组合与月面着陆目标参数建立了3种关系;建立了定时定点月面着陆、定点月面着陆和目标纬度区域月面着陆3种环月降轨控制策略,并给出了控制策略求解算法和步骤。针对定点月面着陆,单脉冲对半长轴和近月点高度进行组合控制,分析了环月降轨控制解空间。针对标称环月轨道/-偏差环月轨道/+偏差环月轨道,分别进行了定时定点/定点/目标纬度区域3种月面着陆的控制计算,验证了环月降轨控制策略。可应用于月球着陆、月球采样返回及载人登月等实施月面定时定点着陆任务的轨道控制。

     

  • 图 1  探测器月面软着陆飞行过程示意图

    Figure 1.  Schematic diagram of lunar probe's soft landing flight process

    图 2  动力下降点的轨道平面偏差

    Figure 2.  Orbit plane deviation of power descending point

    图 3  法向脉冲修正轨道平面偏差

    Figure 3.  Normal impulse to correct orbit plane deviation

    图 4  环月降轨控制解示意图

    Figure 4.  Schematic diagram of lunar orbit descent control solution

    表  1  标称环月轨道的环月降轨控制参数

    Table  1.   Parameters of lunar orbit descent control for nominal orbit

    着陆方式 ψ/(°) θ/(°) A/km ΔT/s λ/(°) T Δv(m·s-1)
    TP1 0 180 1 791.000 0.27 175.97 2018-12-30T08:54:00 23.250
    -1.00 162.98 1 790.984 0.08 175.97
    TP2 0 180 1 791.000 -42.16
    175.96 2018-12-30T08:59:27 23.590
    -2.12 -163.85 1 790.838 -0.06 175.97
    P 0 180 1 791.000 0.27 175.97 2018-12-30T08:54:06 23.187
    0 163.52 1 790.982 0.15 175.97
    LAT 0 180 1 791.000 0.27 175.97 2018-12-30T08:56:35 22.535
    下载: 导出CSV

    表  2  -偏差环月轨道的环月降轨控制参数

    Table  2.   Parameters of lunar orbit descent control for negative deviation orbit

    着陆方式 ψ/(°) θ/(°) A/km ΔT/s λ/(°) T Δv/(m·s-1)
    TP1 0 180 1 791.000 149.17 176.03 2018-12-30T08:47:00 27.189
    -3.19 140.06 1 791.472 -0.01 175.97
    TP2 0 180 1 791.000 67.66 176.02 2018-12-30T09:00:30 27.584
    14.57 -145.72 1 791.173 0.17 175.97
    P 0 180 1 791.000 535.61 176.09 2018-12-30T09:02:34 26.699
    0 136.17 1 792.027 -277.74 175.97
    LAT 0 180 1 791.000 535.61 176.09 2018-12-30T08:54:01 22.101
    下载: 导出CSV

    表  3  +偏差环月轨道的环月降轨控制参数

    Table  3.   Parameters of lunar orbit descent control for positive deviation orbit

    着陆方式 ψ/(°) θ/(°) A/km ΔT/s λ/(°) T Δv/(m·s-1)
    LAT 0 180 1 791.000 -355.30 175.89 2018-12-30T08:59:07 22.970
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-04-18
  • 录用日期:  2019-07-12
  • 刊出日期:  2020-01-20

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