A greedy global search algorithm for connecting unstable periodic orbits with low energy cost. |
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| Authors: | G A Tsirogiannis V V Markellos |
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| Institution: | 1. Department of Engineering Sciences, University of Patras, Patras, Greece
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| Abstract: | A method for space mission trajectory design is presented in the form of a greedy global search algorithm. It uses invariant manifolds of unstable periodic orbits and its main advantage is that it performs a global search for the suitable legs of the invariant manifolds to be connected for a preliminary transfer design, as well as the appropriate points of the legs for maneuver application. The designed indirect algorithm bases the greedy choice on the optimality conditions that are assumed for the theoretical minimum transfer cost of a spacecraft when using invariant manifolds. The method is applied to a test case space mission design project in the Earth–Moon system and is found to compare favorably with previous techniques applied to the same project. |
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