Noncontact online vibration measurement using phase-shifting TV holography

Hua Fan; Yushan Tan; Bryan Kok Ann Ngoi

doi:10.1117/12.368501

4 November 1999 Noncontact online vibration measurement using phase-shifting TV holography

Hua Fan, Yushan Tan, Bryan Kok Ann Ngoi

Proceedings Volume 3898, Photonic Systems and Applications in Defense and Manufacturing; (1999) https://doi.org/10.1117/12.368501
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

A non-contact whole field vibration measuring method, which is based on speckle interferometry theory, is described in this paper. The whole field vibration model with amplitude ranging from zero to several microns can be obtained automatically. The frame update speed is 5 frames per second in our experimental. For demonstration, a round aluminum plate with 100 mm in diameter and 2 mm in thickness, of which the surrounding edge is bonded, is excited by PZT. The vibration model is measured. For the application, the preliminary result of the piezoelectric motor vibration model is described in this paper.

Citation Download Citation

Hua Fan, Yushan Tan, and Bryan Kok Ann Ngoi "Noncontact online vibration measurement using phase-shifting TV holography", Proc. SPIE 3898, Photonic Systems and Applications in Defense and Manufacturing, (4 November 1999); https://doi.org/10.1117/12.368501

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