Six degrees of freedom (6DOF) relative motion trajectory tracking control is studied for a chaser spacecraft with parametric uncertainties and external disturbances to approach a tumbling target in deep space. After modeling the nonlinear and coupled relative motion dynamics in the chaser body-fixed frame, reference trajectories of the relative attitude and relative position are designed, then a 6DOF integrated trajectory tracking controller is developed based on a robust adaptive method. Asymptotic stability of the 6DOF closed-loop system is derived within the Lyapunov framework. The performance of proposed controller is demonstrated through a numerical simulation example.
Nonlinear robust adaptive trajectory tracking control for spacecraft proximity operations
2015
Article (Journal)
English
Nonlinear robust adaptive trajectory tracking control for spacecraft proximity operations
SAGE Publications | 2015
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