Compound Control of Attitude Synchronization for Autonomous Docking to a Tumbling Satellite

Abstract:

In order to solve the attitude synchronization control problem for an on-orbit servicing spacecraft autonomous docking to a tumbling satellite in the presence of unknown bounded disturbances and system uncertainties, a compound control law is presented in this paper. The compound control law is composed of a nonlinear feedback control law and a compensate control law. The nonlinear feedback control law is mainly used to track the system command and the compensate control law is mainly used to deal with the external disturbances and system uncertainties to enhance the robustness of the control system. Simulation results verified the effectiveness of the designed compound control law, and the robustness to the unknown bounded disturbances, system uncertainties is also demonstrated.

• Periodical: Applied Mechanics and Materials (Volume 394)
• Pages: 470-476
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.394.470
• Online since: September 2013
• Authors: Xue Yan An, Wei Lu, Zhang Ren
• Keywords: Aerospace Engineering, Attitude Synchronization, Autonomous Docking, Compound Control, Tumbling Satellite

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