FTCESO-based Prescribed Time Control for Satellite Cluster Reconstruction
- Authors: Siyuan Li1, Zhaowei Sun2, Yang Yang3, Fenglin Wang4
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View Affiliations Hide Affiliations1 Research Center of Satellite Technology, Harbin Institute of Technology, Harbin 150001, China 2 Research Center of Satellite Technology, Harbin Institute of Technology, Harbin 150001, China 3 State Key Laboratory of Astronautics Dynamics, Xian Satellite Control Center, Xian 710043, China 4 Beijing Institute of Tracking and Communication Technology, Beijing 100124, China
- Source: Advanced Control of Flight Vehicle Maneuver and Operation , pp 241-262
- Publication Date: March 2023
- Language: English
FTCESO-based Prescribed Time Control for Satellite Cluster Reconstruction, Page 1 of 1
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In this paper, a prescribed time control strategy for satellite cluster formation reconstruction with multiple environmental disturbances and thruster constraints is proposed. Firstly, a finite time convergent extended state observer (FTCESO) is used to eliminate the effects of external disturbances. And it has been proved to be able to accurately estimate the total disturbances of the satellite cluster in a short time. Secondly, based on the sliding mode, a prescribed time controller with piecewise control law is designed for satellite cluster reconstruction which can ensure that the satellites move to the specified configuration at a prescribed time. Then, the convergence of the controller is proved by Lyapunov stability theory. Finally, compared with a sliding mode controller, a numerical simulation is performed to demonstrate the effectiveness of the proposed method.<br>
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