Abstract
High-speed shape measurement is required to analysis the behavior of a breaking object, a vibrating object or a rotating object. A shape measurement by a phase shifting method can measure the shape with high spatial resolution because the coordinates can be obtained pixel by pixel. A light source stepping method (LSSM) using linear LED array was proposed by authors. Accurate shape measurement can be performed by a whole space tabulation method (WSTM). The response speed of the LED array is more than 12 kHz. In this paper, high-speed shape measurement is performed with a high-speed camera by WSTM and LSSM using a linear LED array. The phase shifting is performed in 12,000 Hz and the shape measurement of a rotating fan is performed in 4,000 Hz.
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This research was supported by Hyogo COE program.
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© 2014 The Society for Experimental Mechanics, Inc.
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Fujigaki, M., Oura, Y., Asai, D., Murata, Y. (2014). High-speed Shape Measurement with 4 kHz Using Linear LED Device. In: Jin, H., Sciammarella, C., Yoshida, S., Lamberti, L. (eds) Advancement of Optical Methods in Experimental Mechanics, Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-00768-7_3
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DOI: https://doi.org/10.1007/978-3-319-00768-7_3
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