Novel laser Doppler sensor for vibration measurements of rotating objects

Vyacheslav Aranchuk; Pavel Mozheyko

doi:10.1117/12.221111

21 September 1995 Novel laser Doppler sensor for rotating objects vibration measurements

Vyacheslav Aranchuk, Pavel Mozheyko

Proceedings Volume 2509, Smart Structures: Optical Instrumentation and Sensing Systems; (1995) https://doi.org/10.1117/12.221111
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

A novel laser doppler sensor for measuring transverse vibration and angular velocity of rotating cylindrical objects is proposed. The sensor has a sensitivity to only one component of the transverse vibration and it is insensitive to other movements of the object. The optical structure of the sensor is based on two differential type laser doppler velocimeters. The principle of operation of the proposed sensor is theoretically described on the basis of laser doppler anemomentry and the general expressions for vibratory displacement and angular velocity is obtained. The block diagram of the signal processing system is proposed.

Citation Download Citation

Vyacheslav Aranchuk and Pavel Mozheyko "Novel laser Doppler sensor for rotating objects vibration measurements", Proc. SPIE 2509, Smart Structures: Optical Instrumentation and Sensing Systems, (21 September 1995); https://doi.org/10.1117/12.221111

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