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    Optical fiber and integrated optics accelerometers for real-time vibration monitoring in harsh environments: in-lab and in-field characterization

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    Optical fiber.pdf (1.113Mb)
    Identificadores
    URI: http://hdl.handle.net/10902/4660
    DOI: 10.1117/12.309678
    ISSN: 1996-756X
    ISSN: 0277-786X
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    Autoría
    López Higuera, José MiguelAutoridad Unican; Mottier, Patrick L.; Cobo García, AdolfoAutoridad Unican; Ollier, Eric; Morante Rábago, Miguel Ángel; Chabrol, Claude; Madruga Saavedra, Francisco JavierAutoridad Unican; Philippe, P.
    Fecha
    1998-06-08
    Derechos
    © 1998 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
    Publicado en
    Proceedings of SPIE, 1998, vol. 3483, 223-227
    European Workshop on Optical Fibre Sensors, 1998, Peebles, Scotland, United Kingdom
    Editorial
    SPIE Society of Photo-Optical Instrumentation Engineers
    Enlace a la publicación
    http://dx.doi.org/10.1117/12.309678
    Palabras clave
    Integrated optics
    Optical fibers
    Reliability
    Sensors
    Silicon
    Defect detection
    Resumen/Abstract
    The reliability of rotating machines such as electrical generator is critical to the overall reliability and operation of electrical power plants. The very high cost of these machines, makes it necessary to improve the lifetime of a wide set of currently installed hydrogenerators around the world and avoid costly maintenance. Vibration monitoring is essential in maintenance and protection programs. However, due to the harsh environment and the very low frequency spectrum of the vibrations, the above mentioned machines cannot be appropriately monitored by piezoelectric sensors. Several combination of optical fiber with silicon microstructures or in integrated optics, but because of technical or economic reasons, up to now, these sensors are not fully suited for the above-mentioned applications. In this paper both optical fiber and integrated optics accelerometers developed in order to satisfy specifications required for these applications are presented. Their developments were a part of a European project dedicated to real time defect detection and predict forthcoming failures of a generator group in an electric power plant in Spain. In-laboratory and in-field test are reported.
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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contacto | Sugerencias
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 4.0 España