Noncontact optical in-plane displacement measurement system

Yunfeng Song; Y. Z. Deng; Shuping Cao; Bryan Kok Ann Ngoi; Liam Guan Lim

doi:10.1117/12.429615

13 June 2001 Noncontact optical in-plane displacement measurement system

Yunfeng Song, Y. Z. Deng, Shuping Cao, Bryan Kok Ann Ngoi, Liam Guan Lim

Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429615
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

Abstract

A non-contact optical approach to measure the in-plane displacement of an object is introduced in this paper. Through a ste of optical system, the image of the object to be measured is formed in the image plane of the CCD. When the object moves in-plane, its image moves in the image plane of the CCD accordingly. Consequently, the displacement of the object can be detected in real-time by measuring the movement of its image with CCD. The prosed w\system is suitable for non-contact measurement such as deformation of objects in high temperature, deformation of elastic objects and low frequency mechanical vibration. It can be widely used in mechanics experiments to achieve high precision measurement in long working distance.

Citation Download Citation

Yunfeng Song, Y. Z. Deng, Shuping Cao, Bryan Kok Ann Ngoi, and Liam Guan Lim "Noncontact optical in-plane displacement measurement system", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429615

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