Optimization of the interplanetary trajectories of spacecraft with a solar electric propulsion power plant of minimal power |
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Authors: | A V Ivanyukhin V G Petukhov |
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Institution: | 1.Research Institute of Applied Mechanics and Electrodynamics of the Moscow Aviation Institute (RIAME MAI),Moscow,Russia |
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Abstract: | The problem of optimizing the interplanetary trajectories of a spacecraft (SC) with a solar electric propulsion system (SEPS) is examined. The problem of investigating the permissible power minimum of the solar electric propulsion power plant required for a successful flight is studied. Permissible ranges of thrust and exhaust velocity are analyzed for the given range of flight time and final mass of the spacecraft. The optimization is performed according to Portnyagin’s maximum principle, and the continuation method is used for reducing the boundary problem of maximal principle to the Cauchy problem and to study the solution/ parameters dependence. Such a combination results in the robust algorithm that reduces the problem of trajectory optimization to the numerical integration of differential equations by the continuation method. |
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