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The aviation industry aims to reduce costs in aircraft design, manufacturing, and maintenance. Structural Health Monitoring (SHM) is a key technique for monitoring the health of aircraft structures, providing valuable data throughout their operational life. This data can enhance design techniques, production control, real-time structural health evaluations, and maintenance plans, improving reliability and safety. This study examines the effectiveness of distributed fiber optic sensors in detecting impact damage on a full-scale composite wing. The sensors track changes in strain distribution caused by controlled impacts at predefined locations. A specific algorithm developed by CIRA identifies the position and size of the damage without relying on reference systems of the undamaged structure. Through structural tests under load, the SHM system’s accuracy in detecting damage was experimentally validated. Funded by the Clean Sky 2 Joint Undertaking under the EU Horizon 2020 program, this research advances SHM techniques for aeronautical applications and presents an alternative to traditional Non-Destructive Inspection (NDI) methods.

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Detection of Impact Damages on Full Scale Wing Using Distributed Fiber Optics Sensors Network

  • 会议论文

  • 发表日期：

    2025年

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  • M. Ciminello,
  • L. Pellone,
  • F. Romano

摘要

The aviation industry aims to reduce costs in aircraft design, manufacturing, and maintenance. Structural Health Monitoring (SHM) is a key technique for monitoring the health of aircraft structures, providing valuable data throughout their operational life. This data can enhance design techniques, production control, real-time structural health evaluations, and maintenance plans, improving reliability and safety. This study examines the effectiveness of distributed fiber optic sensors in detecting impact damage on a full-scale composite wing. The sensors track changes in strain distribution caused by controlled impacts at predefined locations. A specific algorithm developed by CIRA identifies the position and size of the damage without relying on reference systems of the undamaged structure. Through structural tests under load, the SHM system’s accuracy in detecting damage was experimentally validated. Funded by the Clean Sky 2 Joint Undertaking under the EU Horizon 2020 program, this research advances SHM techniques for aeronautical applications and presents an alternative to traditional Non-Destructive Inspection (NDI) methods.