Static attitude estimation and dynamic attitude estimation are used to describe a gradiometer composed of a number of accelerometers that are used to measure a combination of the local gravity gradient and instrument rotation effects. After a series of measures to isolate the gradient, a global mesh of measurements can be obtained that determine the planetary external gravity potential. Orbital and spacecraft models are developed to determine if, when the gravity potential is known, the same measurements, unsupported by any other information can be used to infer the spacecraft attitude.


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    Titel :

    Measuring attitude with a gradiometer


    Beteiligte:

    Erscheinungsdatum :

    1994-07-04


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Gradiometer-Aided Inertial Navigation

    W. G. Heller | NTIS | 1975