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Next-Generation Renewable Energy Technology Lab
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The lab studies systems that generate power from offshore wind, waves, and ocean currents, as well as the control of those systems.
AboutAbout the lab
Approaching offshore renewable energy through control.
The Next-Generation Renewable Energy Technology Lab studies offshore renewable energy systems and their control under wind, wave, and ocean current conditions.
It focuses on improving the efficiency of harvesting energy offshore and reducing the cost of energy.
Specific topics include power generation systems that combine wind and wave power, digital twins of floating offshore wind turbines, data-driven simulation methods, control of large wind turbines, and the stability of ship-towing systems.
This lab is run jointly with the Marine Environmental Energy Engineering Lab.
Key terms
- Digital twin
- A mechanism that uses data measured on real equipment to keep updating the state of a virtual counterpart on a computer
- Floating offshore wind turbine
- A wind turbine mounted on a platform that floats on the sea
- Suspension system
- A supporting mechanism that dampens the motion of a floating platform. In this research, wave energy converters play that role
ResearchResearch themes
The lab studies offshore renewable energy systems and their control under wind, wave, and ocean current conditions. It focuses on improving the efficiency of harvesting offshore energy and reducing energy costs.
*Illustrative imageDigital twin of a floating offshore wind turbine
Using measurement data from a floating wind turbine, the lab automatically updates the state of a virtual turbine on a computer. The aim is to accurately estimate states that are not measured in the complex ocean environment.
*Illustrative imageCombined wind and wave power generation device
Wave energy converters are designed to serve as the suspension system that supports a floating wind turbine. The aim is to control the wave energy converters cooperatively to reduce the motion of the floating platform.
*Illustrative imageFloating offshore overhead power transmission system
This project develops an overhead power transmission system that uses floating structures on the sea. The lab works on designing tension leg platforms and analyzing multibody dynamics, that is, the coupled motion of multiple bodies.
*Illustrative imageWind farm control by reinforcement learning
The lab studies how to optimize yaw steering of floating wind farms using reinforcement learning.
MembersFaculty
The Next-Generation Renewable Energy Technology Lab consists of faculty members and students.
- Associate ProfessorHongzhong Zhu
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Eolink Floating Wind Turbine” marc guyot / CC BY-SA 4.0 (cropped)
- Digital twin of a floating offshore wind turbine: “Seawind Ocean Technology Two-Bladed Floating Wind Turbine” Jason Lawton / CC BY-SA 4.0 (cropped)
- Combined wind and wave power generation device: “Ocean Power Technology PB150 wave-power generator - geograph.org.uk - 2669058” sylvia duckworth / CC BY-SA 2.0 (cropped)
- Floating offshore overhead power transmission system: “Anchor pylon of high-voltage overhead power line 750 kV” Novoklimov / CC0 (cropped)
- Wind farm control by reinforcement learning: “Wind Turbines, Ormonde Offshore Wind Farm - geograph.org.uk - 6584596” David Dixon / CC BY-SA 2.0 (cropped)
- Related lab (Combined Renewable Energy Utilization Lab): “Wind turbine at the Fraisthorpe Wind Farm - geograph.org.uk - 5785135” Mat Fascione / CC BY-SA 2.0 (cropped)
- Related lab (Turbulence Data Analysis Lab): “Openstax college-physics 22.26b tokamak-schematic” OpenStax / CC BY 4.0 (cropped)
- Related lab (Advanced Offshore Wind Energy Utilization Lab): “1kW wind-lens turbine at Miyagi, Japan” Tomon7 / CC BY-SA 3.0 (cropped)
- Related lab (Marine Renewable Energy Engineering Lab): “WaveRoller wave energy farm installation in Peniche, Portugal 2012” AW-Energy Oy / CC BY 3.0 (cropped)
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