A safehold mode has been implemented for Hubble Space Telescope that ensures a power-positive and thermally safe state without the use of rate gyros. This paper presents an overview of this zero-gyro sunpoint safemode, followed by details of the algorithm, the control system design, and results of simulations and of an on-orbit test of the algorithm.


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    Title :

    Zero-Gyro safemode controller for the Hubble Space Telescope


    Contributors:


    Publication date :

    1994-07-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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