Fault diagnosis of the rolling bearing with optical fiber Bragg grating vibration sensor

Peng Wei; Zejing Dai; Leilei Zheng; Ming Li

doi:10.1117/12.2247039

19 October 2016 Fault diagnosis of the rolling bearing with optical fiber Bragg grating vibration sensor

Peng Wei, Zejing Dai, Leilei Zheng, Ming Li

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 101552I (2016) https://doi.org/10.1117/12.2247039
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Fault diagnosis of the rolling bearing means a lot for property and life safety. In this paper the Fiber Bragg Grating (FBG) vibration sensor and resonance demodulation technology are used in the fault diagnosis of the rolling bearing. Traditionally, the vibration signals are measured by the resistance strain gauge, accelerometer, etc. But those traditional electronic sensors are usually influenced by the industry electromagnetic noise. But the FBG vibration sensor is totally different. It has a lot of advantages such as small volume, light weight, easy connection and so on. And the high industry electromagnetic noise means nothing to the FBG sensors. In this paper, we use the FBG vibration and temperature sensors to measure the fast strain and temperature signal of the rolling bearing. In order to extract the fault signals from strong background noise, the resonant demodulation technology is used to analyze and process the vibration signals collected by the FBG sensors. In order to verify the reliability of the FBG vibration sensor and resonance demodulation technology applied in the fault diagnosis of the rolling bearing, several experiments are done. Five FBG vibration sensors are attached on the different parts of the rolling bearing to verify its function and its influence on the fault diagnosis of the rolling bearing. The results of the experiments show that the FBG vibration sensor method could be used in fault diagnosis of the rolling bearing. The repetitive experiments show the reliability of the FBG vibration sensors method.

Citation Download Citation

Peng Wei, Zejing Dai, Leilei Zheng, and Ming Li "Fault diagnosis of the rolling bearing with optical fiber Bragg grating vibration sensor", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 101552I (19 October 2016); https://doi.org/10.1117/12.2247039

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