Published July 2023 | Version v1
Conference paper Open

Methods for FBG sensor integration for RTM process monitoring and SHM of the final CFRP component

  • 1. ROR icon Fraunhofer Institute for Manufacturing Technology and Advanced Materials
  • 2. FiSens GmbH (FISENS)
  • 3. Safran Composites (SCo)


Structure integrity or stress monitoring of fiber-reinforced plastic (FRP) components are popular applications of Fiber-Bragg-Grating (FBG) sensor technology in the field of Structural Health Monitoring (SHM). In aerospace industry, health monitoring of safety-critical structures is of particular interest. The use of SHM is one of the key factors to increase flight safety and reduce maintenance and repair costs. Integrated FBGs for monitoring the condition of aircraft components can significantly reduce or even replace costly maintenance by implementing ondemand maintenance, since remote access and real-time data processing are provided. The research presented in this paper is part of the MORPHO ("Manufacturing, Overhaul, Repair for Prognosis Health Overreach") project. MORPHO is a publicly funded HORIZON 2020 research project aimed at supporting the development of smart aerospace parts equipped with cognitive capabilities and optimizing their manufacturing and lifecycle management. This study provides an insight of the recent research activities regarding the use of FBG sensor technology for smart aerospace structures. The embedded FBG sensor network should serve both the monitoring of the Resin Transfer Molding (RTM) production process as well as the SHM of the final high-end CFRP structures. Since the integration of sensor technology into the RTM (closed mold) manufacturing process includes some unresolved challenges, a hybrid approach is developed to realize a successful implementation.



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Additional details


MORPHO – Embedded Life-Cycle Management for Smart Multimaterials Structures: Application to Engine Components 101006854
European Commission