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LARGE ANGLE ATTITUDE MANEUVER CONTROL OF SPACECRAFT BASED ON LYAPUNOV APPROACH

Xu Shijie (Astronautics School,Beijing University of Aeronautics and Astronautics,Beijing 100083)  
This paper deals with the large angle attitude maneuver control of spacecrafts.In order to remove the singularity coming from the large angle attitude maneuver,the kinematics of the spacecraft is described by quaternion.A nonlinear dynamics model with uncertainties is considered.By using Lyapunov theory,a large angle attitude maneuver controller is derived.The gain of the controller is exponentially variable.An example is given for illustrating the effectiveness of the proposed approach.
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