Shortis, MR; Robson, S; Jones, TW; Goad, WK; Lunsford, CB; (2016) Photogrammetric Tracking Of Aerodynamic Surfaces And Aerospace Models At Nasa Langley Research Center. ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences , III-5 pp. 27-34. 10.5194/isprs-annals-III-5-27-2016.

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Abstract

Aerospace engineers require measurements of the shape of aerodynamic surfaces and the six degree of freedom (6DoF) position and orientation of aerospace models to analyse structural dynamics and aerodynamic forces. The measurement technique must be non-contact, accurate, reliable, have a high sample rate and preferably be non-intrusive. Close range photogrammetry based on multiple, synchronised, commercial-off-the-shelf digital cameras can supply surface shape and 6DoF data at 5-15Hz with customisable accuracies. This paper describes data acquisition systems designed and implemented at NASA Langley Research Center to capture surface shapes and 6DoF data. System calibration and data processing techniques are discussed. Examples of experiments and data outputs are described.

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