Vector-based pattern recognition algorithm for interferometric fiber sensor-signals analysis

A vector-based pattern recognition algorithm (V-PRA) for interferometric fiber sensor (IFS) signals is introduced. The proposed V-PRA transforms sensed interferometric signals into vectors to identify them by calculating the angular similarity with reference database vectors. This process accurately...

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Detalles Bibliográficos
Autores: Valentín-Coronado, Luis M., Martínez Manuel, Rodolfo, Esquivel-Hernández, Jonathan, Díaz Lucas, Silvia, Martínez-Guerrero, María de Los Ángeles, Armendáriz Armenteros, Miguel Ángel, LaRochelle, Sophie
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2025
País:España
Institución:Universidad Pública de Navarra
Repositorio:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/53306
Acceso en línea:https://hdl.handle.net/2454/53306
Access Level:acceso abierto
Palabra clave:Optical fiber sensors
Interferometric signals
Vector-based algorithm
Pattern recognition
Descripción
Sumario:A vector-based pattern recognition algorithm (V-PRA) for interferometric fiber sensor (IFS) signals is introduced. The proposed V-PRA transforms sensed interferometric signals into vectors to identify them by calculating the angular similarity with reference database vectors. This process accurately recognizes sensing patterns and assigns corresponding physical parameter values. The algorithm’s performance was tested in various IFS systems, including Fabry-Perot interferometers for refractive index measurement, multimode IFS for bending and strain monitoring, and multicore IFS for temperature monitoring. Experimental results confirm the effectiveness of the V-PRA as a specialized tool for IFSs.