Available methods for sensing orientation of satellite with respect to local orbit coordinates are reviewed and importance of gyrocompassing as heading reference is shown; principles of gyrocompassing are developed by succession of simple mechanizations; effect of horizon sensor noise and suitability of generated attitude are examined for each system; some of simple mechanizations lead to high gas expenditure and high vehicle angular rates when combined with nonlinear controllers; decoupling loops that overcome problem are shown to be advantageous for instrumentation purposes as well, because they make gyro gimbal angles directly represent vehicle attitude without contamination or approximation; flight data are presented.


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    Title :

    Orbital gyrocompassing heading reference


    Additional title:

    J Spacecraft Rockets


    Contributors:
    Bowers, J.L. (author) / Rodden, J.J. (author) / Scott, E.D. (author)

    Published in:

    Publication date :

    1968


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Orbital gyrocompassing heading reference.

    BOWERS, J. L. / DEBRA, D. B. | AIAA | 1968



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