AbstractAn algorithm for on-board planning of sub-orbital entry trajectories is presented. For entry vehicles with low lift-to-drag ratios and entering entry flight at sub-orbital speeds, this algorithm fills a gap left in a recently developed methodology for on-board generation of three-degree-of-freedom (3DOF) entry trajectories. The algorithm developed in this paper is able to reliably generate a 3DOF feasible sub-orbital entry trajectory in a time frame compatible with on-board environment. The combination of this algorithm and an algorithm recently developed for orbital entry missions provides the capability for full-envelope autonomous adaptive entry guidance. The current algorithm is validated by extensive high fidelity simulations using a sub-orbital reusable launch vehicle model and difficult mission scenarios including failures and aborts.


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    Titel :

    On-board entry trajectory planning for sub-orbital flight


    Beteiligte:
    Shen, Zuojun (Autor:in) / Lu, Ping (Autor:in)

    Erschienen in:

    Acta Astronautica ; 56 , 6 ; 573-591


    Erscheinungsdatum :

    2004-10-19


    Format / Umfang :

    19 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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