Dynamic shape and strain measurements of rotating tire using a sampling moiré method

Motoharu Fujigaki; Akihiro Masaya; Kosuke Shimo; Yoshiharu Morimoto

doi:10.1117/1.3579525

1 October 2011 Dynamic shape and strain measurements of rotating tire using a sampling moiré method

Motoharu Fujigaki, Akihiro Masaya, Kosuke Shimo, Yoshiharu Morimoto

Author Affiliations +

Optical Engineering, Vol. 50, Issue 10, 101506 (October 2011). https://doi.org/10.1117/1.3579525

Abstract

Shape measurements and strain distribution measurements are important for analyzing the behavior of a rotating tire. Recently, a two-dimensional phase analysis method using phase-shifting moiré patterns, which are generated computationally from a two-dimensional grating image, was proposed. This method is well suited to the dynamic shape and strain measurement because the phase can be accurately obtained from a two-dimensional grating image. We show that it is possible to analyze the strain distribution and shape measurements of a moving object using a grating pattern attached to the surface of the specimen, and a dynamic shape and strain measurement system using the sampling moiré method is developed in this paper. The principle of the method and the experimental results of the method when applied to a rotating object are shown.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Motoharu Fujigaki, Akihiro Masaya, Kosuke Shimo, and Yoshiharu Morimoto "Dynamic shape and strain measurements of rotating tire using a sampling moiré method," Optical Engineering 50(10), 101506 (1 October 2011). https://doi.org/10.1117/1.3579525

Published: 1 October 2011

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