Abstract

A Gauss pseudospectral method is used to optimize the interplanetary low-thrust orbit transfer. The Gauss pseudospectral method is utilized to parameterize the orbit transfer. In order to solve the large-scale parameters multi-constraints optimization problem, the sequential quadratic programming (SQP) is used. Then, the optimization method is demonstrated on an Earth-Mars low-thrust orbit transfer application by the solar electric propulsion. The numerical results show that the method is effective and rapid in finding the optimal orbit transfer and does not require particular initial guesses.

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