Adaptive fuzzy sliding mode control for body-fixed hovering over uncontrolled tumbling satellite

被引：0
|
作者：
Liu J. [1 ]
Li H. [1 ]
Zhang Z. [1 ]
Li X. [1 ]
机构：
[1] College of Aerospace Science and Engineering, National University of Defense Technology, Changsha
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2019年 / 40卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Adaptive control; Fuzzy sliding mode control; Hovering control; Six degree-of-freedom coupling; Uncontrolled tumbling satellite;
D O I：
10.7527/S1000-6893.2019.22430
中图分类号：
学科分类号：
摘要：
The six degree-of-freedom coupling control of the chaser relative to the uncontrolled tumbling satellite with system uncertainties and external disturbances is studied in this paper. Initially, a non-linear six-degree-of-freedom coupled integrated dynamics model is established in the chaser's body coordinate system, which transforms the hovering control problem into relative position and relative attitude control problems. Then, an adaptive fuzzy sliding mode controller is designed based on the principle of fuzzy approximation. The controller can effectively overcome the uncertainty of the system model and the influence of external disturbance, eliminating the traditional chattering problem. The fuzzy adaptive law is derived from the Lyapunov method and the stability of the closed-loop system is proved. Numerical simulations verify the effectiveness of the proposed adaptive fuzzy sliding mode controller. © 2019, Press of Chinese Journal of Aeronautics. All right reserved.
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