Home » EDF deploys underwater drone to inspect offshore wind foundations

EDF deploys underwater drone to inspect offshore wind foundations

by Sion Geschwindt
EDF deploys underwater drone to inspect offshore wind foundations

Energy giant EDF has deployed a remotely operated vehicle (ROV) to carry out autonomous wind farm foundation inspections at its Blyth site off the coast of Northumberland.

The ROV was modified to include robotic technologies for autonomous surveillance, and carried out visual inspections of the gravity-based foundations of three offshore turbines over the course of four days.

The inspections were undertaken as part of a partnership between EDF and the ORCA Hub, which is a project within the National Robotarium – a world-leading centre for Robotics and Artificial Intelligence.

The partnership will investigate a wide range of potential applications for drone technology to assess offshore wind turbines.

The trials demonstrated the drone’s ability to work autonomously at the site, as it recorded videos to assess the exterior condition of turbine foundations and cables.

The drone was also used to create a 3D reconstruction model of parts of the underwater assets, which will be used to monitor biofouling – the accumulation of microorganisms, plants and algae on the turbine foundations.

Maxime Duchet, Offshore Wind Research Engineer at EDF R&D UK Centre, said: “These trials have showcased the ability of autonomous inspection drones to collect high-quality images off offshore turbine technology.

“These images, and the modelling they enable, will greatly enhance our ability to carry out operations and maintenance activities on-site.”

“Further tests are needed to estimate the time required to inspect all of the turbine foundations, and to demonstrate the full potential of marine robotic technology.

“However it is clear from these initial results that the technology can ensure safer and faster operations and a reduced carbon footprint.”

Paul Clarke, portfolio manager for Offshore Wind at EDF Renewables UK, said: “Marine robotics is a booming field with a myriad of applications for offshore wind farms, and we’re delighted to have partnered with the ORCA Hub for this successful trial.

“The drone proved its ability to work autonomously and make a significant contribution to turbine operation and maintenance, and we’re excited at the possibilities afforded by drone technology to further streamline these procedures.”

Dr Sen Wang, lead of Robotics and Autonomous Systems at the National Robotarium, added: “This trial demonstrates the enormous potential for underwater robots to autonomously carry out inspection and maintenance of offshore wind turbines, reducing the need and the associated risks of putting personnel into challenging and hazardous environments.”

Image credit: The ORCA Hub

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