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Close-Range Photogrammetry & Next Generation SpacecraftNASA is focusing renewed attention on the topic of large, ultra-lightweight space structures, also known as 'gossamer' spacecraft. Nearly all of the details of the giant spacecraft are still to be worked out. But it's already clear that one of the most challenging aspects will be developing techniques to align and control these systems after they are deployed in space. A critical part of this process is creating new ground test methods to measure gossamer structures under stationary, deploying and vibrating conditions for validation of corresponding analytical predictions. In addressing this problem, I considered, first of all, the possibility of simply using conventional displacement or vibration sensor that could provide spatial measurements. Next, I turned my attention to photogrammetry, a method of determining the spatial coordinates of objects using photographs. The success of this research and development has convinced me that photogrammetry is the most suitable method to solve the gossamer measurement problem.
Document ID
20030000796
Acquisition Source
Langley Research Center
Document Type
Reprint (Version printed in journal)
Authors
Pappa, Richard S.
(NASA Langley Research Center Hampton, VA United States)
Date Acquired
August 21, 2013
Publication Date
June 1, 2002
Publication Information
Publication: Professional Surveyor
Publisher: EOS Systems, Inc.
Subject Category
Instrumentation And Photography
Distribution Limits
Public
Copyright
Other

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