A methodology for on-board planning of sub-orbital entry trajectories is developed. The algorithm is able to generate in a time frame consistent with on-board environment a three- degree-of-freedom (3DOF) feasible entry trajectory, given the boundary conditions and vehi- cle modeling. This trajectory is then tracked by feedback guidance laws which issue guidance commands. The current trajectory planning algorithm complements the recently developed method for on-board 3DOF entry trajectory generation for orbital missions, and provides full-envelope autonomous adaptive entry guidance capability. The algorithm is validated and verified 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 Expanded to Sub-Orbital Flight


    Beteiligte:
    Z. Shen (Autor:in) / P. Lu (Autor:in)

    Erscheinungsdatum :

    2003


    Format / Umfang :

    34 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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