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Pathfinder Photogrammetry Research for Ultra-Lightweight and Inflatable Space StructuresThe defining characteristic of ultra-lightweight and inflatable space structures is that they are both very large and very low mass. This makes standard contacting methods of measurement (e.g. attaching accelerometers) impractical because the dynamics of the structure would be changed by the mass of the contacting instrument. Optical measurements are therefore more appropriate. Photogrammetry is a leading candidate for the optical analysis of gossamer structures because it allows for the measurement of a large number of points, is amenable to time sequences, and offers the potential for a high degree of accuracy. The purpose of this thesis is to develop the methodology and determine the effectiveness of a photogrammetry system in measuring ultra-lightweight and inflatable space structures. The results of this thesis will be considered in the design of an automated photogrammetry system for the l6m-diameter vacuum chamber at the NASA Langley Research Center.
Document ID
20020017457
Acquisition Source
Langley Research Center
Document Type
Contractor Report (CR)
Authors
Giersch, Louis Roy Miller (Joint Inst. for the Advancement of Flight Sciences Hampton, VA United States)
Date Acquired
September 7, 2013
Publication Date
November 1, 2001
Subject Category
Structural Mechanics
Report/Patent Number
NAS 1.26:211244
NASA/CR-2001-211244
Funding Number(s)
PROJECT: RTOP 755-06-00-03
CONTRACT_GRANT: NCC1-01017
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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