电磁航天器编队悬停鲁棒协同控制方法

doi:10.13700/j.bh.1001-5965.2018.0282

北京航空航天大学学报 ›› 2019, Vol. 45 ›› Issue (2): 388-397.doi: 10.13700/j.bh.1001-5965.2018.0282

电磁航天器编队悬停鲁棒协同控制方法

张亚博¹, 师鹏¹, 张皓², 赵育善¹

1. 北京航空航天大学宇航学院, 北京 100083;
2. 中国科学院空间应用工程与技术中心中国科学院太空应用重点实验室, 北京 100094

收稿日期:2018-05-18 出版日期:2019-02-20 发布日期:2019-03-04
通讯作者: 师鹏 E-mail:shipeng@buaa.edu.cn
作者简介:张亚博男,硕士研究生。主要研究方向:航天器动力学与控制、卫星编队飞行技术;师鹏男,博士,讲师,硕士生导师。主要研究方向:航天器总体设计、航天器动力学与控制;张皓男,博士,副研究员,硕士生导师。主要研究方向:航天器动力学与控制;赵育善男,博士,教授,博士生导师。主要研究方向:航天器动力学与控制。
基金资助:
国家自然科学基金（11572019）；中国科学院太空应用重点实验室开放基金（LSU-2016-07-02）；中国科学院百人计划

A robust coordinated control method for hovering of electromagnetic spacecraft formation

ZHANG Yabo¹, SHI Peng¹, ZHANG Hao², ZHAO Yushan¹

1. School of Astronautics, Beihang University, Beijing 100083, China;
2. Key Laboratory of Space Utilization, Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing 100094, China

Received:2018-05-18 Online:2019-02-20 Published:2019-03-04
Supported by:
National Natural Science Foundation of China (11572019); the Open Research Fund of Key Laboratory of Space Utilization of Chinese Academy of Sciences (LSU-2016-07-02); 100 Talents Program of the Chinese Academy of Sciences

摘要/Abstract

摘要： 针对电磁航天器编队近地轨道悬停问题，提出一种在缺少参考轨道准确信息时的协同控制方法。用TH方程描述航天器间的相对运动，选择与参考轨道同周期的圆轨道为标称轨道。将参考轨道相对于标称圆轨道的偏差、地球非球形引力、大气阻力及其他天体引力等参数单独归类，视其为不确定量，构成不确定系统。通过引入一致性理论，在电磁作用模型和动力学方程均存在不确定性的条件下，针对航天器编队悬停的目标设计了鲁棒协同控制律。考虑能量消耗最优和均衡以及轨道姿态解耦，给出了通过优化进行磁矩配置的方案。仿真结果表明，所设计的鲁棒协同控制律能够实现编队电磁航天器高精度悬停，所给出的磁矩配置方案能够实现磁矩的合理分配。

关键词: 电磁航天器, 编队飞行, 一致性协议, 鲁棒控制, 悬停

Abstract: Aimed at the problem of near-Earth orbit hovering of electromagnetic spacecraft formation, a coordinated control method is proposed in the absence of accurate information of reference orbit. The relative motion between spacecraft is described by the TH equation, and the circular orbit of the same cycle as the reference orbit is selected as the nominal orbit. The deviation of the reference orbit from the nominal circular orbit, the Earth's non-spherical gravity, the atmospheric resistance and the other celestial gravitation are classified separately, and they are considered as uncertain and constitute an uncertain system. By introducing the consistency theory, the robust coordinated control law is designed for the target of spacecraft formation hovering under the condition that the electromagnetic action model and the dynamic equation are all uncertain. Considering the optimal and balanced energy consumption and the decoupling of orbital attitude, a scheme of magnetic moment distribution through optimization is given. The simulation results show that the designed robust coordinated control law can achieve high-precision hovering of electromagnetic spacecraft formation. The proposed magnetic moment configuration scheme can realize the rational distribution of magnetic moments.

Key words: electromagnetic spacecraft, formation flying, consistency protocol, robust control, hovering

中图分类号:

V412.4

张亚博, 师鹏, 张皓, 赵育善. 电磁航天器编队悬停鲁棒协同控制方法[J]. 北京航空航天大学学报, 2019, 45(2): 388-397.

ZHANG Yabo, SHI Peng, ZHANG Hao, ZHAO Yushan. A robust coordinated control method for hovering of electromagnetic spacecraft formation[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2019, 45(2): 388-397.

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电磁航天器编队悬停鲁棒协同控制方法

A robust coordinated control method for hovering of electromagnetic spacecraft formation

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