Neptec has developed a vision system for the capture of non-cooperative objects on orbit. This system uses an active TriDAR sensor and a model based tracking algorithm to provide 6 degree of freedom pose information in real-time from mid range to docking. This system was selected for the Hubble Robotic Vehicle De-orbit Module (HRVDM) mission and for a Detailed Test Objective (DTO) mission to fly on the Space Shuttle. TriDAR (triangulation + LIDAR) technology makes use of a novel approach to 3D sensing by combining triangulation and Time-of-Flight (ToF) active ranging techniques in the same optical path. This approach exploits the complementary nature of these sensing technologies. Real-time tracking of target objects is accomplished using 3D model based tracking algorithms developed at Neptec in partnership with the Canadian Space Agency (CSA). The system provides 6 degrees of freedom pose estimation and incorporates search capabilities to initiate and recover tracking. Pose estimation is performed using an innovative approach that is faster than traditional techniques. This performance allows the algorithms to operate in real-time on the TriDAR's flight certified embedded processor. This paper presents results from simulation and lab testing demonstrating that the system's performance meets the requirements of a complete tracking system for on-orbit autonomous rendezvous and docking.


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    Titel :

    Real-time 3D vision solution for on-orbit autonomous rendezvous and docking


    Beteiligte:
    Ruel, S. (Autor:in) / English, C. (Autor:in) / Anctil, M. (Autor:in) / Daly, J. (Autor:in) / Smith, C. (Autor:in) / Zhu, S. (Autor:in)

    Kongress:

    Spaceborne Sensors III ; 2006 ; Orlando (Kissimmee),Florida,United States


    Erschienen in:

    Erscheinungsdatum :

    19.05.2006





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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