Research & Development
Project
MHM-EMR
Mooring health monitoring for offshore renewable energy systems
- Duration: 36 months (2017-2020)
- Budget: €590K
Context
Mooring systems used for floating offshore wind turbines differ significantly from those used by the oil & gas sector due to high dynamics in shallow waters. Currently proposed solutions to satisfy these new constraints employ new dispositions and materials whose long-term behaviour is poorly known and remains non-qualified.
Objectif
- To define an in-service mooring system monitoring methodology
Main achivements
Development of an in-service monitoring methodology based on accessible measurements and digital tools
Testing of this methodology at sea on a reduced scale and on a numerical model of a full-scale floating wind turbine verified through tank tests
Main outputs
- State of the art of feedback from the offshore oil sector and in-service monitoring projects
- Methodology for in-service monitoring of floating wind turbine mooring lines
- Recommendations document for the implementation of this methodology
- Algorithms for periodic updating of global parameters, tension estimation in the mooring lines and supervised anomaly detection based on float movements
- 1 publication: Decurey et al. (2020) Model of Bio-Colonisation on Mooring Lines: Updating Strategy Based on a Static Qualifying Sea State for Floating Wind Turbines. Journal of Marine Science and Engineering, Vol. 8, 108
Conclusion
MHM-EMR has enabled the development of a methodology for monitoring mooring lines, including not only appropriate instrumentation, but also behavioural simulation algorithms. This methodology constitutes an essential building block for the elaboration of digital twins, the development of which will be initiated in the framework of the SUBSEE 4D project.
Partners
This project was led by Ecole Centrale de Nantes and France Energies Marines.
Funding
This project received French State funding managed by the National Research Agency under the Investments for the Future Programme (ANR-10-IEED-0006-19).
Accreditation
This project was certified by the maritime cluster Pôle Mer Bretagne Atlantique.
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