Optical 3-D shape and deformation measurement of rotating blades using stroboscopic structured illumination

Qican Zhang; Xianyu Su; Yiping CaoYong LiLiqun XiangWenjing Chen

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Optical 3-D shape and deformation measurement of rotating blades using stroboscopic structured illumination

机译：Optical 3-D shape and deformation measurement of rotating blades using stroboscopic structured illumination

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摘要

An optical method for shape and deformation measurement of a rotating blade, which is based on Fourier transform profilometry (FTP) and the stroboscopic effect, is proposed and has been verified by experiments. The integrated principles of the method, the process of 3-D phase unwrapping, and the detailed design of the synchronization control unit are discussed. Experimental results on a commercial electric fan prove that FTP can reconstruct the shape of a rotating blade efficiently and reveal its deformation different times clearly by using stroboscopic structured illumination. This method can be used for studying high-speed motion with rapid periodic signals.

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来源
《Optical Engineering》 |2005年第11期|113601-1-113601-7-0|共7页
作者
Qican Zhang; Xianyu Su; Yiping CaoYong LiLiqun XiangWenjing Chen;
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作者单位

Sichuan University Opto-Electronics Department Chengdu, 610064, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
Fourier transform profilometry; 3-D shape measurement; stroboscope; dynamic 3-D visualization; structured illumination; phase unwrapping; rotating blade;

Optical 3-D shape and deformation measurement of rotating blades using stroboscopic structured illumination

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