Finite-time output feedback attitude tracking control for rigid spacecraft

ZONG Qun; SHAO Shikai; ZHANG Xiuyun; WANG Dandan; LIU Wenjing

doi:10.11918/j.issn.0367-6234.201612060

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Finite-time output feedback attitude tracking control for rigid spacecraft

更新时间：2026-10-19

- Finite-time output feedback attitude tracking control for rigid spacecraft
- Vol. 49, Issue 9, Pages: 2017-9(2017)
- 作者机构：
  
  1. 天津大学电气与自动化工程学院,天津,300100
  2. 北京控制工程研究所,北京,100094
- 作者简介：
- 基金信息：
- DOI：10.11918/j.issn.0367-6234.201612060
  CLC： TP273
- Published：2017
- 稿件说明：
移动端阅览
ZONG Qun, SHAO Shikai, ZHANG Xiuyun, et al. Finite-time output feedback attitude tracking control for rigid spacecraft[J]. 2017, 49(9): 2017-9.
DOI：

ZONG Qun, SHAO Shikai, ZHANG Xiuyun, et al. Finite-time output feedback attitude tracking control for rigid spacecraft[J]. 2017, 49(9): 2017-9. DOI： 10.11918/j.issn.0367-6234.201612060.

摘要

为提高航天器系统飞行可靠性，研究角速度信息不可测量的刚体航天器有限时间姿态跟踪控制

将姿态导数信息作为未知状态，设计基于改进自适应超螺旋滑模的状态观测器，避免未知状态导数上界需要已知的约束，将姿态运动方程进行扩维，在有限时间内实现对未知角速度估计.同时考虑环境干扰和模型不确定，设计新的有限时间干扰观测器，结合连续自适应方法实现对系统综合不确定上界的估计.在此基础上，基于终端滑模技术，设计有限时间连续姿态跟踪控制器，较好地减小了控制输入抖振，并采用Lyapunov理论证明了观测器和控制器的有限时间稳定性.最后仿真结果说明了所提方法的有效性.

Abstract

To improve the reliability of spacecraft system

this paper researches the finite-time output feedback attitude tracking control for rigid spacecraft without angular velocity measurement. The attitude derivative is firstly viewed as an unknown state

and a modified adaptive super-twisting sliding mode state observer is designed and the requirement for the upper bound of unknown state is avoided. By extending dimensions of attitude kinematics equation

the precise angular velocity was estimated in finite time. Then

considering environmental disturbances and system uncertainties

and combining a continuous adaptive approach for estimating the upper bound of system uncertainties

a novel finite-time disturbance observer was designed. Based on the terminal sliding mode

a continuous finite-time attitude tracking controllers is also designed. The control chattering is greatly reduced and the finite-time stability for the observer and the controller is proved via the Lyapunov theory. Finally

simulation results illustrate the effectiveness of the proposed method.

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Related Institution

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