This paper describes a novel method to compute minimum-time solar-sail trajectories starting from a given low-thrust solution. The method is based on the use of homotopy and numerical continuation. Homotopy is used to link the low-thrust with the solar-sail optimal control problem. Numerical continuation is used to compute the optimal solar-sail solution, starting from a given low-thrust planar solution, which is normally easy to find. Planar solar-sail trajectories are computed by means of the homotopic approach. These solutions are used to compute, in a single-shooting approach, three-dimensional solar-sail trajectories, for transfer scenarios involving a small change of the orbital inclination. The proposed homotopic approach is tested against a conventional approach, based on the use of a genetic algorithm. Numerical test cases are performed both on Earth-Mars and Earth-Apophis rendezvous. The results show that the proposed method is advantageous, in terms of accuracy of the solution and computational time. Presented at the 26th AAS/AIAA Space Flight Mechanics Meeting, Napa, CA, 14-18 February 2016


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    Titel :

    Low-Thrust to Solar-Sail Trajectories: A Homotopic Approach




    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    55.54 Flugführung
    Lokalklassifikation TIB:    770/7040



    Low-Thrust to Solar-Sail Trajectories: A Homotopic Approach

    Sullo, Nicola / Peloni, Alessandro / Ceriotti, Matteo | AIAA | 2017




    Realistic Solar Sail Thrust

    Campbell, Bruce A. / Thomas, Stephanie J. | Springer Verlag | 2014