Coordinated attitude control of spacecraft based on distributed intelligent actuators

被引：0
|
作者：
Li W. [1 ]
Wu Y. [1 ]
Zhu Y. [1 ]
Xu X. [1 ]
Chen Z. [1 ]
Hua B. [1 ]
Yu D. [1 ]
机构：
[1] School of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2022年 / 43卷 / 05期
关键词：
Attitude control; Coordinated control; Distributed control; GNC system; Intelligent component; Network control system; Spacecraft architecture; Transmission delay;
D O I：
10.11990/jheu.202012032
中图分类号：
学科分类号：
摘要：
To meet the requirements of upgrading and replacing spacecraft components in orbit and rapid manufacturing of spacecraft on a large scale in the future, a spacecraft GNC system architecture based on distributed intelligent components is proposed to realize cableless and decentralized control systems. The information is transmitted and fused between intelligent components through the wireless network, realizing attitude determination and control. Because of the time delay of the transmission of information through wireless networks, the output torque calculated by distributed intelligent actuators will be different to some extent, which leads to low accuracy of spacecraft attitude control. Based on the consistency control theory and considering the data transmission delay between the distributed components, the uncertainty of spacecraft parameters, and the existence of interference torque, this study focuses on the cooperative control of spacecraft attitude based on distributed intelligent actuators. An adaptive hierarchically saturated distributed cooperative attitude control law is designed. The results of the numerical and semi-physical simulation analyses show that the proposed coordinated attitude control algorithm significantly improves the accuracy of attitude control based on distributed intelligent components, proving the feasibility and effectiveness of the coordinated work of distributed intelligent components. The method proposed in this study lays the foundation for the application of new architecture spacecraft based on distributed components. © 2022, Editorial Department of Journal of HEU. All right reserved.
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页码：639 / 648
页数：9
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