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Proceedings Paper

Temperature, displacement, and acceleration fiber optic sensor for large machinery monitoring
Author(s): Jose Miguel Lopez-Higuera; Adolfo Cobo; Juan Echevarria; Olga M. Conde; Francisco J. Madruga Saavedra
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Paper Abstract

In this paper, a multi-parameter optical sensor system for vibration, temperature and strain monitoring is presented. It is based on a hybrid singlemode-multimode fiber optic transducer, where the vibration is detected by means of a fiber cantilever beam and extrinsic coupling of light, while two fiber Bragg gratings measure the temperature and strain. Experimental results show good performance for the monitoring of large electric machines.

Paper Details

Date Published: 6 August 2001
PDF: 9 pages
Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); doi: 10.1117/12.435540
Show Author Affiliations
Jose Miguel Lopez-Higuera, Univ. de Cantabria (Spain)
Adolfo Cobo, Univ. de Cantabria (Spain)
Juan Echevarria, Univ. de Cantabria (Spain)
Olga M. Conde, Univ. de Cantabria (Spain)
Francisco J. Madruga Saavedra, Univ. de Cantabria (Spain)


Published in SPIE Proceedings Vol. 4328:
Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Eric Udd; Daniele Inaudi, Editor(s)

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