Fast trajectory tracking of electromagnetic satellite formation with actuator saturation

Electromagnetic formation flight leverages electromagnetic force to control the relative position of satellites. This new propulsion technique offers a promising alternative to traditional propellant-based spacecraft formation flying since it does not consume fuel. Due to the restriction of maximum...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part G, Journal of aerospace engineering Journal of aerospace engineering, 2016-11, Vol.230 (13), p.2463-2472
Main Authors: Huang, Xian-Lin, Zhang, Chun, Lu, Hong-Qian, Yin, Hang
Format: Article
Language:English
Subjects:
Aerospace engineering
Electromagnetic forces
Electromagnetics
Formations
Mathematical models
Satellite tracking
Satellites
Saturation
Simulation
Sliding mode control
Spacecraft
Tracking errors
Trajectories
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Summary:Electromagnetic formation flight leverages electromagnetic force to control the relative position of satellites. This new propulsion technique offers a promising alternative to traditional propellant-based spacecraft formation flying since it does not consume fuel. Due to the restriction of maximum current in coils, the available inter-satellite electromagnetic force is small, and its efficient use is an important issue. In this paper, a modified far-field model is proposed to gain better accuracy of electromagnetic force approximation. Based on this model, an adaptive terminal sliding mode control is proposed to achieve fast trajectory tracking. The given method can guarantee the finite-time convergence of tracking error in the presence of bounded disturbance, input uncertainty, and saturation. Numerical simulation results demonstrate the performance and robustness of the proposed control.
ISSN:0954-4100
2041-3025
DOI:10.1177/0954410015626733