Numerical techniques for generating and refining solar sail trajectories |
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Authors: | Geoffrey G Wawrzyniak Kathleen C Howell |
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Institution: | School of Aeronautics and Astronautics, Armstrong Hall of Engineering, 701 West Stadium Avenue, West Lafayette, IN 47907-2045, USA |
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Abstract: | Like all applications in trajectory design, the design of solar sail trajectories requires a transition from analytical models to numerically generated realizations of an orbit. In astrodynamics, three numerical strategies are often employed. Differential correctors (also known as shooting methods) are perhaps the most common techniques. Finite-difference methods and collocation schemes are also employed and are successful in generating trajectories with pseudo-continuous control histories. These three numerical techniques are employed here to generate periodic trajectories displaced below the Moon in a circular restricted three-body system. All these approaches reveal trajectory options within the design space for solar sail applications. |
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Keywords: | Solar sails Shooting Differential correctors Finite-difference method Collocation |
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