An estimator propagation formulation which ultilizes dynamic data (attitude and sensed acceleration information) from a gimballed inertial platform has been developed to aid in the Shuttle post-flight trajectory reconstruction process and aerodynamic coefficient determination studies. Unlike the classical inertial algorithms, this formulation yields a six degree-of-freedom fully coupled state and attitude estimate. Furthermore, this inertial version is shown to be independent of initial unknown platform misalignments. Results obtained using actual Inertial Measurement Unit (IMU) data and Aerodynamic Coefficient Identification Package (ACIP) strap down data from Shuttle flights are presented.


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    Title :

    The adaptation of a strap down formulation for processing inertial platform data


    Contributors:

    Conference:

    Atmospheric Flight Mechanics Conference ; 1982 ; San Diego, CA


    Publication date :

    1982-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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