Practical Prescribed-Time Attitude Control for Flexible Spacecraft Based on Disturbance Observer

被引：0

作者：

Li, Zhi ^{[1
]}

Zhang, Ying ^{[1
]}

机构：

[1] Harbin Inst Technol Shenzhen, Sch Mech Engn & Automat, Shenzhen 518055, Peoples R China

来源：

2023 2ND CONFERENCE ON FULLY ACTUATED SYSTEM THEORY AND APPLICATIONS, CFASTA | 2023年

基金：

中国国家自然科学基金;

关键词：

Disturbance Observer; Practical Prescribed-time Control; Flexible Spacecraft; STABILIZATION;

D O I：

10.1109/CFASTA57821.2023.10243226

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper investigates the practical prescribed-time attitude stabilization problem for a flexible spacecraft with unknown disturbances. By introducing a time-varying function, a prescribed-time disturbance observer is designed to estimate the unknown external disturbances. With the aid of the backstepping control method and fully actuated system approach, a practical prescribed-time controller can be proposed by using the disturbance estimation. Theoretical analysis and simulation results prove that the attitude of the flexible spacecraft under the proposed control scheme can converge to prescribed precision within prescribed time.

引用

页码：1055 / 1060

页数：6

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