宇航学报2024,Vol.45Issue(12) :1959-1973.DOI:10.3873/j.issn.1000-1328.2024.12.009

非质心推进航天器近距离接近姿轨一体化控制

Integrated Attitude-orbit Control of the Non-centroid Propulsive Spacecraft in Close Proximity

李婧涵 周荻 李思远 杜润乐 刘佳琪
宇航学报2024,Vol.45Issue(12) :1959-1973.DOI:10.3873/j.issn.1000-1328.2024.12.009

非质心推进航天器近距离接近姿轨一体化控制

Integrated Attitude-orbit Control of the Non-centroid Propulsive Spacecraft in Close Proximity

李婧涵 1周荻 1李思远 1杜润乐 2刘佳琪2
扫码查看

作者信息

  • 1. 哈尔滨工业大学航天学院,哈尔滨 150001
  • 2. 试验物理与计算数学国家级重点实验室,北京 100076
  • 折叠

摘要

针对航天器推力器布局限制以及姿轨一体化控制问题,提出了一种新型航天器推进器配置和姿轨一体化控制方案.为描述航天器平移和旋转运动的耦合效应,基于对偶四元数建立了一体化相对运动模型.随后,针对航天器近距离接近问题,设计了一种适用于对偶四元数模型的模型预测控制器.进而,针对所研究的非质心推力布局航天器,提出了一种指令规划与执行方案.最后,对闭环控制系统进行仿真验证,并与其它控制方法进行了比较.结果表明,本方案中基于对偶四元数的模型预测控制系统收敛速度更快,姿态和轨道控制精度更高;并且控制指令规划与执行方法能够很好地将一般化的控制指令应用于非质心推进航天器,从而验证了本方案的可行性与有效性.

Abstract

A new type of spacecraft thruster configuration and integrated attitude-orbit control scheme is proposed to address the constraints of spacecraft thruster layout and integrated attitude-orbit control. To describe the coupling between the translations and rotations,a coupled relative motion model is established based on dual quaternions. Subsequently,a model predictive controller is designed to address the issue of close proximity of spacecraft,which is suitable for dual-quaternion model. Furthermore,a command planning and execution scheme is designed for the non-centroid layout spacecraft. Finally,the closed-loop control system is simulated and compared with other control methods. The results show that the model predictive control system based on dual quaternions converges faster and has higher accuracy in attitude and orbit control. What's more,the proposed instruction planning and execution method can effectively apply general control instructions to the non-centroid propulsive spacecraft,which verify the feasibility and effectiveness of this scheme.

关键词

对偶四元数/模型预测控制/推力器布局/姿轨一体化

Key words

Dual quaternion/Model predictive control/Thrusters layout/Integrated attitude-orbit motion

引用本文复制引用

出版年

2024
宇航学报
中国宇航学会

宇航学报

CSTPCD北大核心
影响因子:0.887
ISSN:1000-1328
段落导航相关论文