Proposed actuation system maintains alignments of reflector segments of large telescope. Sensors measure positions and orientations of segments. Figure-control computer calculates orientation and figure of overall reflector surface from sensor data. Responding to computer output, servocontroller for each actuator corrects piston and tilt errors of each segment. Actuators adjust segments in response to sensed positions. Concept applicable to such large segmented space-based reflectors as those used in communication and in collection of solar energy.


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    Title :

    System Would Keep Telescope Reflector Segments Aligned


    Contributors:

    Published in:

    Publication date :

    1991-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English






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