From March to July of 2007, the DARPA Orbital Express mission achieved a number of firsts in autonomous spacecraft operations. The NASA Advanced Video Guidance Sensor (AVGS) was the primary docking sensor during the first two dockings and was used in a blended mode three other automated captures. The AVGS performance exceeded its specification by approximately an order of magnitude. One reason that the AVGS functioned so well during the mission was that the validation and calibration of the sensor prior to the mission advanced the state-of-the-art for proximity sensors. Some factors in this success were improvements in ground test equipment and truth data, the capability for ILOAD corrections for optical and other effects, and the development of a bias correction procedure. Several valuable lessons learned have applications to future proximity sensors.


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    Title :

    Orbital Express AVGS Validation and Calibration for Automated Rendezvous


    Contributors:

    Conference:

    AIAA Astrodynamics Specialist Conference ; 2008 ; Honolulu, HI, United States


    Publication date :

    2008-08-17


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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