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首页> 外文期刊>Journal of Spacecraft and Rockets >Autonomous Rendezvous Architecture Design for Lunar Lander
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Autonomous Rendezvous Architecture Design for Lunar Lander

机译：月球着陆器的自主交会建筑设计

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摘要

A precise and convenient targeting architecture for accomplishing the rendezvous of a lunar lander with an orbiter in a near-circular lunar parking orbit is proposed in this paper. This procedure enables a systematic design and refinement of the number of thrust impulses, their application times, and the mission duration. The simplicity and accuracy of this targeting procedure makes it well suited for onboard use during real-time control and strategy reconstruction operations. A concise and revealing form of the linearized rendezvous equations is derived based on the Clohessy-Wiltshire model, as adopted to generate feasible initial solutions to satisfy the demands of rapid mission analysis and design. A three-step iterative procedure is adopted to determine the minimum-impulse control strategies for autonomous rendezvous, involving the progress of the solution from a linear model to a nonlinear, two-body model and finally to a high-fidelity model. The two-body model is introduced as an intermediary to enable a smooth transition from the linear to the high-fidelity lunar gravitational model. Numerical simulations are undertaken to verify the control strategies calculated and to illustrate the efficiency and convergence of the proposed iteration algorithm.
机译：本文提出了一种精确，方便的瞄准结构，以完成在月球近圆形停泊轨道上带有轨道器的月球着陆器的交会。该程序可以对推力脉冲的数量，其施加时间和任务持续时间进行系统设计和完善。该目标程序的简单性和准确性使其非常适合实时控制和策略重构操作中的机载使用。基于Clohessy-Wiltshire模型，导出了线性化的集合点方程的简洁形式，该模型被用来生成可行的初始解，以满足快速任务分析和设计的需求。采用三步迭代过程来确定自主会合的最小脉冲控制策略，涉及从线性模型到非线性两体模型，最后到高保真模型的求解过程。引入了两体模型作为中介，以实现从线性到高逼真的月球引力模型的平稳过渡。进行了数值模拟，以验证所计算的控制策略并说明所提出的迭代算法的效率和收敛性。

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  • 来源
    《Journal of Spacecraft and Rockets》 |2015年第3期|863-872|共10页
  • 作者

    Li Jingyang; Baoyin Hexi; Vadali Srinivas R.;

  • 作者单位

    Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China;

    Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China;

    Texas A&M Univ, Dept Aerosp Engn, College Stn, TX 77840 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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