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Showing 1 to 4 of 4 for “"Transfer trajectory"”.
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Orbital transfer trajectory optimization
… engines for spacecraft. Optimizing the orbital transfers for low thrust engines is significantly more complicated than optimizing transfers for impulsive engines because a continuous control law must be found and long integrations are necessary to determine whether the control law works or not. …
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Orbital rendezvous using an Augmented Lambert Guidance scheme
… or chaser, from the surface of the Earth to a transfer trajectory enroute to the aim point. After the chaser coasts along this transfer trajectory for a time, a manoeuver is performed to match the position and velocity of the target spacecraft. A three degree-of-freedom model was created to …
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Optimal, impulsive, direct ascent, time-fixed orbital interception
… time-fixed intercept trajectories. The optimal trajectory is obtained by satisfying Lawden's necessary conditions expressed in terms of the primer vector. The vehicle is initially at rest on the surface of a spherical planet and the target is assumed to be in a circular, equatorial orbit around …
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A transfer network linking Earth, Moon, and the triangular libration point regions in the Earth-Moon system
… a spacecraft to hold a stable motion, but the transfer trajectory infrastructure to access such stable motions has not been fully investigated yet. The triangular libration points, <em>L</em> 4and <em>L</em>5, in the Earth-Moon system have long been thought of as ideal locations for a …