Measuring Model Deformation with Project Moiré Interferometry Technique

Long Zhang; Jian Jun Yang; Jun Zhang

doi:10.4028/www.scientific.net/AMM.511-512.278

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 511-512Measuring Model Deformation with Project Moiré...

Measuring Model Deformation with Project Moiré Interferometry Technique

Abstract:

Project Moiré Interferometry system includes fringes projection system,image acquiring system and image processing system. Laser beam is changed to planar optical wave by expanded beam collimation system.The ideal grating is produced when planar optical wave passes through spatial light modulator. The emergence of light waves which include the information of grating are projected on the model surface.The fringes image modulated by the height of model surface is formed. The image is captured by image acquiring system to be processed.After the distortion brought by camera perspective transform is eliminated,the image is added with reference stripes.The Moiré fringes containing information of model surface can be obtained.Quantitative continuous data of model surface shape can be gained after fartherly image processing.

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Periodical:

Applied Mechanics and Materials (Volumes 511-512)

Pages:

278-281

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.511-512.278

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Online since:

February 2014

Authors:

Long Zhang, Jian Jun Yang, Jun Zhang

Keywords:

Deformation, Interference, Non-Contact Measurement, Videometrics

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