A methodology for very fast design of 3DOF entry trajectories subject to all common inequality and equality constraints is developed. The approach make novel use of the well known quasi-equilibrium glide phenomenon in lifting entry as a center piece for conveniently enforcing the inequality constraints which are otherwise difficulty to handle. The algorithm is able to generate a complete feasible 3DOF entry trajectory, given the entry conditions, values of constraint parameters, and final conditions in about 2 seconds on a PC. Numerical simulations with the X-33 vehicle model for various entry missions to land at Kennedy Space Center will be presented.


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    Title :

    On-Board Generation of Three-Dimensional Constrained Entry Trajectories


    Contributors:
    Shen, Zuojun (author) / Lu, Ping (author) / Jackson, Scott (author)

    Conference:

    2002 AIAA GN&C Conference ; 2002 ; Monterey, CA, United States


    Publication date :

    2002-01-09


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English