Suitable digital algorithms are developed and tested for providing on-board precision attitude estimation and pointing control for potential use in the Landsat-D spacecraft. These algorithms provide pointing accuracy of better than 0.01 deg. To obtain necessary precision with efficient software, a six state-variable square-root Kalman filter combines two star tracker measurements to update attitude estimates obtained from processing three gyro outputs. The validity of the estimation and control algorithms are established, and the sensitivity of their performance to various error sources and software parameters are investigated by detailed digital simulation. Spacecraft computer memory, cycle time, and accuracy requirements are estimated.


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    Titel :

    Application of square-root filtering for spacecraft attitude control


    Beteiligte:
    Sorensen, J. A. (Autor:in) / Schmidt, S. F. (Autor:in) / Goka, T. (Autor:in)

    Kongress:

    Guidance and Control Conference ; 1978 ; Palo Alto, CA


    Erscheinungsdatum :

    01.01.1978


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Application of square-root filtering for spacecraft attitude control

    SORENSEN, J. / SCHMIDT, S. / GOKA, T. | AIAA | 1978


    Application of Square-Root Filtering for Spacecraft Attitude Control

    J.A. Soremen / S.F. Schmidt / T. Goka | AIAA | 1979


    Application of square-root filtering for spacecraft attitude control

    Sorensen, J.A. / Schmidt, S.F. / Goka, T. | Tema Archiv | 1978



    An Improved Attitude Determination Using Square Root Filtering

    Kooi, S. / Ng, A. | British Library Conference Proceedings | 2002