Monitoring Damage Progression in Wind Turbine Blade Under Fatigue Testing Using Acceleration Measurements

Pamela Rossi, André Tavares, Emilio Di Lorenzo, Bram Cornelis, Marcin Luczak, Kim Branner, Konstantinos Gryllias, Giuliano Coppotelli

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Wind energy presently meets 15% of the EU’s electricity demand, playing a crucial role in Europe’s initiatives to reduce carbon emissions. This research centers on Structural Health Monitoring (SHM) during fatigue testing to ensure the safety and reliability of wind turbines, specifically focusing on their extensive fiber-reinforced composite blades. Fatigue testing entails exposing wind turbine blades to repetitive cyclic loading, replicating real-world conditions to evaluate durability and study the progression of damage. The primary objective is to analyze accelerometer data from these tests to derive damage indices that reflect the blade’s condition. This work employs two signal processing techniques, namely cross-correlations and Operational Deflection Shapes (ODS), to derive damage sensitive features that can change due to damage progression. These monitoring techniques are applied on an experimental dataset, measured for a 14.3 m composite blade with known defects introduced during manufacturing, propagating throughout the fatigue testing process.
Original languageEnglish
Title of host publicationProceedings of the 10th International Operational Modal Analysis Conference (IOMAC 2024)
EditorsCarlo Rainieri, Carmelo Gentile, Manuel Aenlle López
Volume2
Place of PublicationCham
PublisherSpringer
Publication date2024
Pages615-626
ISBN (Print)978-3-031-61424-8, 978-3-031-61427-9
ISBN (Electronic)978-3-031-61425-5
DOIs
Publication statusPublished - 2024
Event10th International Operational Modal Analysis Conference - Naples, Italy
Duration: 22 May 202424 May 2024

Conference

Conference10th International Operational Modal Analysis Conference
Country/TerritoryItaly
CityNaples
Period22/05/202424/05/2024
SeriesLecture Notes in Civil Engineering
ISSN2366-2557

Keywords

  • Wind turbine blade
  • Fatigue testing
  • Structural health monitoring (SHM)
  • Signal processing
  • Accelerometers

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