Data-driven models for strain-based damage identification in composite wind turbine blades

Julian Sierra Perez, Juan Carlos Perafan Lopez, Camilo Herrera, César Nieto

Producción científica: Capítulo del libro/informe/acta de congresoPonencia publicada en las memorias del evento con ISBNrevisión exhaustiva


The increasing demand for renewable energy has led to the development of several wind energy projects. A rising concern is the aging of these structures that must keep their serviceability and integrity for a long lifetime. That is why recent studies have focused on monitoring systems for data extraction based on accelerometers, fiber optic sensors, and piezoelectric sensors among many other sensing technologies. One of the most promising approaches is the use of fiber-Bragg-grating-based systems taking advantage of their proven benefits such as electromagnetic immunity, low size and weight, and ability to embed numerous sensors in a single optical fiber line. However, most of the reported studies have addressed the operational assessment of the acquisition systems without further deepening the exploitation of the acquired data for structural health monitoring purposes. This work aims to data exploitation of strain measurements acquired by simulated fiber Bragg gratings (FBG) for damage identification in wind turbine blades made of composite materials. A FEM model of a 2.5-meter-long wind turbine blade with 40 virtual FBGs strain sensors was used to obtain strain data under normal operational conditions. Then, strain measurements were calculated after defining several damages to the blade. Once the data were obtained, different data processing techniques following the pattern recognition paradigm were tested comparing their performance in terms of accuracy. The results will contribute to designing real-time automatic damage identification systems using FBGs strain sensors for composite wind turbine blades.
Idioma originalInglés
Título de la publicación alojadaStructural Health Monitoring- The 9th Asia-Pacific Workshop on Structural Health Monitoring, 9APWSHM 2022
EditoresNik Rajic, Wing Kong Chiu, Martin Veidt, Akira Mita, N. Takeda
EditorialAssociation of American Publishers
Número de páginas8
ISBN (versión digital)2474-3941
ISBN (versión impresa)978-164490244-8
EstadoPublicada - 2023
Evento9th Asia-Pacific Workshop on Structural Health Monitoring, 9APWSHM 2022 - Cairns, Australia
Duración: 7 dic. 20229 dic. 2022

Serie de la publicación

NombreMaterials Research Proceedings
ISSN (versión impresa)2474-3941
ISSN (versión digital)2474-395X


Conferencia9th Asia-Pacific Workshop on Structural Health Monitoring, 9APWSHM 2022

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© 2023, Association of American Publishers. All rights reserved.

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