End-to-end mission simulations include multiple phases of flight. For example, an end-to-end Mars mission simulation may include launch from Earth, interplanetary transit to Mars and entry, descent and landing. Each phase of flight is optimized to meet specified constraints and often depend on and impact subsequent phases. The design and optimization tools and methodologies used to combine different aspects of end-to-end framework and their impact on mission planning are presented. This work focuses on a robust implementation of a Multidisciplinary Design Analysis and Optimization (MDAO) method that offers the flexibility to quickly adapt to changing mission design requirements. Different simulations tailored to the liftoff, ascent, and atmospheric entry phases of a trajectory are integrated and optimized in the MDAO program Isight, which provides the user a graphical interface to link simulation inputs and outputs. This approach provides many advantages to mission planners, as it is easily adapted to different mission scenarios and can improve the understanding of the integrated system performance within a particular mission configuration. A Mars direct entry mission using the Space Launch System (SLS) is presented as a generic end-to-end case study. For the given launch period, the SLS launch performance is traded for improved orbit geometry alignment, resulting in an optimized a net payload that is comparable to that in the SLS Mission Planner's Guide.


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    Titel :

    A Robust Method to Integrate End-to-End Mission Architecture Optimization Tools


    Beteiligte:
    Lugo, Rafael (Autor:in) / Litton, Daniel (Autor:in) / Qu, Min (Autor:in) / Shidner, Jeremy (Autor:in) / Powell, Richard (Autor:in)

    Kongress:

    2016 IEEE Aerospace Conference ; 2016 ; Big Sky, MT, United States


    Erscheinungsdatum :

    05.03.2016


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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