Photogrammetry--the science of calculating 3D object coordinates from images-is a flexible and robust approach for measuring the static and dynamic characteristics of future ultralightweight and inflatable space structures (a.k.a., Gossamer structures), such as large membrane reflectors, solar sails, and thin-film solar arrays. Shape and dynamic measurements are required to validate new structural modeling techniques and corresponding analytical models for these unconventional systems. This paper summarizes experiences at NASA Langley Research Center over the past three years to develop or adapt photogrammetry methods for the specific problem of measuring Gossamer space structures. Turnkey industrial photogrammetry systems were not considered a cost-effective choice for this basic research effort because of their high purchase and maintenance costs. Instead, this research uses mainly off-the-shelf digital-camera and software technologies that are affordable to most organizations and provide acceptable accuracy.


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    Title :

    Photogrammetry Methodology Development for Gossamer Spacecraft Structures


    Contributors:

    Conference:

    3rd AIAA Gossamer Spacecraft Forum ; 2002 ; Denver, CO, United States
    43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference ; 2002 ; Denver, CO, United States


    Publication date :

    2002-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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