An optical real-time, noncontact vibration measurement technique

Author

Teodros Belay

Date of Award

8-1987

Degree Type

Thesis

Degree Name

Master of Science

Major

Engineering Science

Major Professor

Thomas G. Carley

Committee Members

J. A. M. Boulet, M. A. Breazeale

Abstract

Presented in this work is an optical real-time, noncontact vibration measurement technique that measures vibration amplitudes above the shadow moire range (greater than 0.1 mm).

An experimental technique was devised whereby vibration amplitude measurement can be made using the modulation of reflected light from a vibrating object. A direct calibration was made for ekact object displacement to detector voltage reading. By using this method the first three mode shapes of a cantilever beam were traced.

The primary conclusion of this study is that the technique is a practical vibration measurement tool with a measurement range extending from 0.1 mm to at least 10 mm.

Recommended Citation

Belay, Teodros, "An optical real-time, noncontact vibration measurement technique. " Master's Thesis, University of Tennessee, 1987.
https://trace.tennessee.edu/utk_gradthes/13407