A vibration sensor based on Sagnac interferometer and fiber ring laser for fault diagnosis of bearing

Meng D.J.; Miao C.Y.; Li X.G.Li J.Shi J.Xu W.Yang X.Xu D.G.Liu T.G.Yao J.Q.

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A vibration sensor based on Sagnac interferometer and fiber ring laser for fault diagnosis of bearing

机译：A vibration sensor based on Sagnac interferometer and fiber ring laser for fault diagnosis of bearing

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? 2021 Elsevier Inc.A vibration sensor based on Sagnac interferometer and fiber ring laser (FRL) is proposed for fault diagnosis of bearing, and a sensing system of vibration is demonstrated experimentally. In the sensing system, the Sagnac interferometer based on single mode fiber- polarization maintaining fiber-single mode fiber (SPS) as a sensor is connected to FRL which performs as a filter. Because the transmission characteristics of the SPS is modulated by strain, intensity-modulated sensing is induced for output power of the FRL. Experimental result shows that the accurate frequency of the vibration signal within relative error of 1.0 can be obtained by the sensor. The proposed sensor has the advantages of low-cost, compact size, easy to be fabricated and excellent anti-interference ability, which has potential applications on the bearing fault diagnosis of rotating machinery.

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来源
《Optical fiber technology》 |2021年第7期|102554.1-102554.7|共7页
作者
Meng D.J.; Miao C.Y.; Li X.G.Li J.Shi J.Xu W.Yang X.Xu D.G.Liu T.G.Yao J.Q.;
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作者单位

Tianjin Key Laboratory of Optoelectronic Detection Technology and System School of Electronics and Information Engineering Tiangong University;

Tianjin Key Laboratory of Optoelectronic Detection Technology and System School of Electronics and Information Engineering Tiangong University||Key Laboratory of Opto-Electronics Information Technology (Ministry of Education) School of Precision Instrumen;

Key Laboratory of Opto-Electronics Information Technology (Ministry of Education) School of Precision Instruments and Opto-Electronic Engineering Tianjin University;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Fault diagnosis of bearing; FRL; Sagnac; SPS;

A vibration sensor based on Sagnac interferometer and fiber ring laser for fault diagnosis of bearing

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