Trajectory tracking PID passivity-based control of spacecraft formation flying around Sun-Earth L2 point in the port-Hamiltonian framework

被引:0
作者
Wang, Jiaming [1 ]
Zhou, Qingrui [1 ,2 ]
Zheng, Wei [1 ,2 ]
Diao, Jingdong [1 ,2 ]
机构
[1] China Acad Space Technol, Qian Xuesen Lab Space Technol, Beijing 100094, Peoples R China
[2] Intelligent Game & Decis Lab, Beijing 100093, Peoples R China
基金
中国国家自然科学基金;
关键词
SEL2; Formation flight; Nonlinear dynamic; Port-Hamiltonian system; Passivity-based control; ASSIGNMENT; INTERCONNECTION; ORBIT;
D O I
10.1016/j.asr.2024.07.054
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Spacecraft formation flying for interferometric observations around the 2nd Lagrange point in the Sun-Earth system (SEL2) is currently focal point in deep space exploration research, which demands high precision in relative position control of spacecraft. This paper proposes the relative motion dynamics of satellite formations around the L2 point in the port-Hamiltonian framework, and establishes a high-precision nonlinear dynamics model. PID passivity-based control (PID-PBC) is widely used in engineering. However, existing methods of PID-PBC cannot address the trajectory tracking issues in port-Hamiltonian systems. Utilizing the contraction properties of the port-Hamiltonian system, this paper proposes the trajectory tracking PID-PBC (tPID-PBC) approach, effectively resolving trajectory tracking issues for formation dynamics around L2 point in port-Hamiltonian framework. The paper details explicit solutions of the Partial Differential Equations (PDE) for the tPID-PBC method and its controller structure, and references the trajectories of interferometric observation formations, to verify the method's effectiveness through numerical simulation. The presented control approach is applicable across generic port-Hamiltonian systems, offering substantial theoretical value. (c) 2024 COSPAR. Published by Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
引用
收藏
页码:5086 / 5099
页数:14
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