Attitude Active Disturbance Rejection Control of Agile Satellite

Abstract:

Based on the mission requirements of agile satellite, the control method of large angle maneuver was investigated in this paper. The single gimbal control moment gyroscope (sgcmg) of pyramid configuration is taken as the executor of the satellite. In order to avoid the singularity of sgcmgs, robust pseudo-inverse steering logic is used. An attitude active disturbance rejection controller (adrc) was designed. The expected attitude maneuver information that got by gauss pseudo-spectral method (gpm) took the place of that got by tracking differentiator (td). The constraints of satellite and sgcmgs are considered. Dynamics decoupling and disturbance observation of satellite were realized by using nonlinear extended state observer (neso). Then based on neso, nonlinear error feedback controller (nlsef) effectively suppresses the disturbance. The simulation results show that the attitude active disturbance rejection controller has steady control performance and can reject the disturbance better.

• Periodical: Applied Mechanics and Materials (Volume 419)
• Pages: 673-681
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.419.673
• Online since: October 2013
• Authors: Xiao Xiao Cai, Jin Jie Wu, Kun Liu
• Keywords: Active Disturbance Rejection Controller, Gauss Pseudo-Spectral Method, Nonlinear Error Feedback Controller, Nonlinear Extended State Observer

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