Abstract
The formation flight control of two spacecraft is considered in this paper. The trajectory of the relative position change in one spacecraft with respect to the other is designed on the basis of Hill‘s equation from the viewpoint of minimum fuel consumption. The total fuel consumed along the trajectory is obtained analytically. The discrete two-degree-of-freedom control law is also proposed in order to realize the designed trajectory. The controller achieves the deadbeat property of the closed loop system. Numerical studies are conducted in order to verify the trajectory generation and the discrete control.
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