Abstract

A novel radial runout measurement method for gear motors using a microsensor based on all-fiber Fabry–Perot interferometry is investigated. In order to achieve the fault diagnosis, in this method, a single-mode fiber is put forward as a sensor to measure radial runout of the rotating shaft. The performance of the proposed sensor has been compared to a Portable Digital Vibrometer–100 laser vibrometer for validation purposes, and the results show that the difference between them is approximately ${\pm}0.55{\unicode{x00B5}{\rm m}}$.

© 2021 Optical Society of America

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