Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities

D. Tosi, M. Olivero, G. Perrone, A. Vallan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a multipoint fiber Bragg grating (FBG) sensing system operating as a precision microphone. This instrument aims to become the best performing technology for condition-based maintenance (CBM) of critical elements, like ball bearings and cogwheels, embedded in industrial manufacturing machineries. The system architecture is based on the simple matched-laser principle, leading to a low-cost and high-sensitivity system, operating in time and wavelength multiplexing mode. Then, heavy signal processing is applied, providing an outstanding performance improvement of 59 dB in terms of signal-to-noise ratio. A demonstration of condition-based maintenance operation has been performed using standard models of ball bearing sound spectra. Compared to traditional microphones applied to CBM, the signal processing-powered FBG system provides remarkable advantages in terms of sensitivity and rejection of environment noise, providing an improvement of cost-effectiveness of CBM.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume7753
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event21st International Conference on Optical Fiber Sensors - Ottawa, ON, Canada
Duration: May 15 2011May 19 2011

Other

Other21st International Conference on Optical Fiber Sensors
CountryCanada
CityOttawa, ON
Period5/15/115/19/11

Fingerprint

Condition-based Maintenance
Fiber Grating
Fiber Bragg gratings
Bragg Grating
Microphones
microphones
Bragg gratings
maintenance
ball bearings
fibers
Ball bearings
Signal Processing
signal processing
Signal processing
Ball
cost effectiveness
Cost-effectiveness
sensitivity
Cost effectiveness
Multiplexing

Keywords

  • condition-based maintenance (CBM)
  • Fiber Bragg grating (FBG)
  • fiber optic sensors (FOS)
  • optical microphone

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Applied Mathematics
  • Condensed Matter Physics

Cite this

Tosi, D., Olivero, M., Perrone, G., & Vallan, A. (2011). Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7753). [77538B] https://doi.org/10.1117/12.884853

Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities. / Tosi, D.; Olivero, M.; Perrone, G.; Vallan, A.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7753 2011. 77538B.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tosi, D, Olivero, M, Perrone, G & Vallan, A 2011, Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7753, 77538B, 21st International Conference on Optical Fiber Sensors, Ottawa, ON, Canada, 5/15/11. https://doi.org/10.1117/12.884853
Tosi D, Olivero M, Perrone G, Vallan A. Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7753. 2011. 77538B https://doi.org/10.1117/12.884853
Tosi, D. ; Olivero, M. ; Perrone, G. ; Vallan, A. / Fiber Bragg grating microphone system for condition-based maintenance of industrial facilities. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7753 2011.
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