Nonlinear attitude tracking control of underactuated three-inline tethered satellite

被引：0
|
作者：
School of Astronautics, Harbin Institute of Technology, Harbin [1 ]
150001, China
机构：
[1] School of Astronautics, Harbin Institute of Technology, Harbin
来源：
Hangkong Xuebao | / 6卷 / 1995-2004期
基金：
中国国家自然科学基金;
关键词：
Attitude control; Control saturation; Robust control; Tethered satellites; Underactuated system;
D O I：
10.7527/S1000-6893.2014.0296
中图分类号：
学科分类号：
摘要：
A decentralized nonlinear control strategy is proposed for attitude tracking of underactuated three-inline spinning tethered satellite system in the presence of bounded disturbances and control saturation. For an underactuated single-tethered satellite, a change of coordinates by nonlinear diffeomorphism is used for the complex dynamics of non-complete. Then, a robust sliding mode control scheme is proposed such that the underactuated tethered satellite attitude system is able to track the command signals in the presence of control saturation based on backstepping philosophy combined with anti-windup technique. Within the Lyapunov framework, the uniformly ultimate boundedness of the system states is guaranteed. Further, considering the movement synchronization of tethered satellite system, the attitude controller design for underactuated single-tethered satellite is extended to the three-inline system and a decentralized attitude tracking controller is developed. Numerical simulation results demonstrate the effective of the control strategy. ©, 2015, AAAS Press of Chinese Society of Aeronautics and Astronautics. All right reserved.
引用
收藏
页码：1995 / 2004
页数：9
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