Paper
14 April 2010 Development of dynamic shape and strain measurement system by sampling moiré method
Kosuke Shimo, Motoharu Fujigaki, Akihiro Masaya, Yoshiharu Morimoto
Author Affiliations +
Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75224M (2010) https://doi.org/10.1117/12.854780
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore
Abstract
Shape measurement and strain distribution measurement are important to analyze the behavior of a moving object. In this paper, a dynamic shape and strain measurement system by the sampling moire method is developed. Recently, phase analysis method using phase-shifting moire patterns generated in a computer from a grating image is proposed. This method is very suitable for dynamic measurement because the phase can be obtained from a one-dimensional or two-dimensional (2-D) grating image with high accuracy. It is possible to analyze strain distribution and shape measurement of a moving object using a grating pattern attached on the specimen surface. A dynamic shape and strain measurement system by the sampling moire method is developed. The principle and experimental results applied to a rotating object are shown.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kosuke Shimo, Motoharu Fujigaki, Akihiro Masaya, and Yoshiharu Morimoto "Development of dynamic shape and strain measurement system by sampling moiré method", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75224M (14 April 2010); https://doi.org/10.1117/12.854780
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Cited by 9 scholarly publications.
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KEYWORDS
Moire patterns

Shape analysis

CCD cameras

Phase measurement

Phase shifts

Cameras

Image processing

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