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
01.11.2015
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Nonlinear robust adaptive trajectory tracking control for spacecraft proximity operations
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