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Photogrammetry methodology for Gossamer spacecraft structures

Pappa, RS; Jones, TW; Black, JT; Walford, A; Robson, S; Shortis, MR; (2002) Photogrammetry methodology for Gossamer spacecraft structures. In: SOUND AND VIBRATION. (pp. 12 - 21). ACOUSTICAL PUBL INC

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Abstract

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 ultra-lightweight 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 article 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 pur. chase 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.

Type:Proceedings paper
Title:Photogrammetry methodology for Gossamer spacecraft structures
Event:3rd Gossamer Spacecraft Conference of the American-Institute-of-Aeronautics-and-Astronautics
Location:DENVER, CO
Dates:2002-04
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy

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