an improved method is developed for rapidly calculating landing footprint of entry vehicles. The proposed method is based on existing acceleration-based trajectory generation method. The landing footprint is constructed from the endpoints of a series of suboptimal trajectories which have extreme downrange or cross range. The advantage of the improved method include near real-time generation capability, respecting path constraints such as vehicle heating limits, accounting for coriolis effects, more accurate and smoother trajectories. The method is validated by a wave-rider vehicle, the simulation results indicates the calculated footprint using the improved algorithm is more accurate and flyable trajectories are smoother.


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    Titel :

    A rapid landing footprint calculation method for entry vehicles


    Beteiligte:
    Ning Zhang, (Autor:in) / Chao Wang, (Autor:in) / Feng Li, (Autor:in)


    Erscheinungsdatum :

    2016-08-01


    Format / Umfang :

    179914 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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