Rendering a complex spacecraft trajectory in high fidelity can be an expensive endeavor, both computationally and from a human time/cost standpoint. However, in many cases, a low-fidelity trajectory that reasonably approximates a high-fidelity counterpart is much easier to obtain. Thus, it is important to have an efficient process for converting a trajectory from lower-fidelity model to high fidelity. We present a method for converting low-fidelity trajectories into high fidelity that relies on multiple shooting, nonlinear programming, and numerical integration. The procedure converts any zero-radius sphere-of-influence gravity-assist events to fully integrated flyby events. Several numerical examples are presented that showcase the flexibility of the high-fidelity rendering process across multiple mission types and flight regimes.


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    Title :

    High-Fidelity Multiple-Flyby Trajectory Optimization Using Multiple-Shooting


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2019 ; Portland, ME, United States


    Publication date :

    2019-08-11


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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