An independent twelve degree-of-freedom simulation of the X-43A separation trajectory was created with the Program to Optimize Simulated trajectories (POST II). This simulation modeled the multi-body dynamics of the X-43A and its booster and included the effect of two pyrotechnically actuated pistons used to push the vehicles apart as well as aerodynamic interaction forces and moments between the two vehicles. The simulation was developed to validate trajectory studies conducted with a 14 degree-of-freedom simulation created early in the program using the Automatic Dynamic Analysis of Mechanics Systems (ADAMS) simulation software. The POST simulation was less detailed than the official ADAMS-based simulation used by the Project, but was simpler, more concise and ran faster, while providing similar results. The increase in speed provided by the POST simulation provided the Project with an alternate analysis tool. This tool was ideal for performing separation control logic trade studies that required the running of numerous Monte Carlo trajectories.


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    Title :

    Hyper-X Stage Separation Trajectory Validation Studies


    Contributors:
    P. V. Tartabini (author) / D. M. Bose (author) / J. D. McMiin (author) / J. G. Martin (author)

    Publication date :

    2004


    Size :

    20 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Hyper-X Stage Separation Trajectory Validation Studies

    Tartabini, Paul / Bose, David / McMinn, John et al. | AIAA | 2003


    Hyper-X Stage Separation Trajectory Validation Studies

    Tartabini, Paul V. / Bose, David M. / McMinn, John D. et al. | NTRS | 2003


    AIAA-2003-5819 Hyper-X Stage Separation Trajectory Validation Studies

    Tartabini, P. / Bose, D. / McMinn, J. et al. | British Library Conference Proceedings | 2003