scholarly journals Adaptive Terminal Sliding Mode Control of Electromagnetic Spacecraft Formation Flying in Near-Earth Orbits

2014 ◽  
Vol 6 ◽  
pp. 512583 ◽  
Author(s):  
Jingrui Zhang ◽  
Changqin Yuan ◽  
Dongmei Jiang ◽  
Dawei Jin
Keyword(s):  
Sliding Mode Control ◽  
Formation Flying ◽  
Sliding Mode ◽  
Terminal Sliding Mode Control ◽  
Terminal Sliding Mode ◽  
Spacecraft Formation ◽  
Mode Control ◽  
Spacecraft Formation Flying ◽  
Earth Orbits

scholarly journals Nonsingular Fast Terminal Adaptive Neuro-sliding Mode Control for Spacecraft Formation Flying Systems

Complexity ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-15 ◽  
Author(s):  
Xiaohan Lin ◽  
Xiaoping Shi ◽  
Shilun Li ◽  
Sing Kiong Nguang ◽  
Liruo Zhang
Keyword(s):  
Sliding Mode Control ◽  
Formation Flying ◽  
Sliding Mode ◽  
Control Law ◽  
Tracking Errors ◽  
Terminal Sliding Mode ◽  
Control Laws ◽  
Spacecraft Formation ◽  
Mode Control ◽  
Spacecraft Formation Flying

In this paper, a nonsingular fast terminal adaptive neurosliding mode control for spacecraft formation flying systems is investigated. First, a supertwisting disturbance observer is employed to estimate external disturbances in the system. Second, a fast nonsingular terminal sliding mode control law is proposed to guarantee the tracking errors of the spacecraft formation converge to zero in finite time. Third, for the unknown parts in the spacecraft formation flying dynamics, we proposed an adaptive neurosliding mode control law to compensate them. The proposed sliding mode control laws not only achieve the formation but also alleviate the effect of the chattering. Finally, simulations are used to demonstrate the effectiveness of the proposed control laws.

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