电子与控制

一种基于轨道要素形式终端约束的航天器空间变轨迭代制导算法

  • 邓逸凡 ,
  • 李超兵 ,
  • 王志刚
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  • 1. 西北工业大学 航天学院, 西安 710072;
    2. 航天飞行动力学技术重点实验室, 西安 710072;
    3. 北京航天自动控制研究所, 北京 100854
邓逸凡 男, 博士研究生。主要研究方向: 航天器动力学与控制。 Tel: 029-88495783 E-mail: ivan.dunne@163.com;李超兵 男, 硕士, 高级工程师。主要研究方向: 导航、制导与控制。 E-mail: lcbpku@163.com;王志刚 男, 博士, 教授, 博士生导师。主要研究方向: 飞行器设计, 航天器动力学与控制。 Tel: 029-88495783 E-mail: sbeotal@nwpu.edu.cn

收稿日期: 2014-12-02

  修回日期: 2014-12-24

  网络出版日期: 2015-03-04

An iterative guidance algorithm using orbital elements as terminal constraints for spacecraft orbit transfer

  • DENG Yifan ,
  • LI Chaobing ,
  • WANG Zhigang
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  • 1. School of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China;
    2. National Key Laboratory of Aerospace Flight Dynamics, Xi'an 710072, China;
    3. Beijing Aerospace Automatic Control Institute, Beijing 100854, China

Received date: 2014-12-02

  Revised date: 2014-12-24

  Online published: 2015-03-04

摘要

针对航天器空间变轨任务的制导问题,研究了一种适用的迭代制导算法。在传统迭代制导方法的基础上,直接在地心惯性系中建立最优控制模型,以推力方向矢量为控制量来适应大姿态角变化情形;推导直接以目标轨道要素为终端约束的边界条件,给出终端约束方程求解精度和入轨精度的关系;得到一种简单有效的基于轨道要素形式终端约束的航天器空间变轨迭代制导算法。通过仿真验证了所给制导算法的有效性,相比传统迭代制导方法其具有更强的适应性。

本文引用格式

邓逸凡 , 李超兵 , 王志刚 . 一种基于轨道要素形式终端约束的航天器空间变轨迭代制导算法[J]. 航空学报, 2015 , 36(6) : 1975 -1982 . DOI: 10.7527/S1000-6893.2015.0046

Abstract

An adapted iterative guidance algorithm is researched for the orbit transfer mission of spacecraft. Based on the traditional iterative guidance method, we directly found the optimal control model on the geocentric inertial frame, use the orient vector of the thrust as the control variable to adapt for the significantly change of attitude angel, found the boundary conditions by using the target orbital elements directly as the terminal constraints, obtain the relationship between the accuracy of the solutions of the constraint equations and the injection accuracy, and then present a concise and effective iterative guidance algorithm using orbital elements as terminal constraints for spacecraft orbit transfer. Numerical simulations have demonstrated the effectiveness and better adaptability than the traditional method.

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