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Journal Articles

Linear Quadratic Regulator Optimal Control of Two-Rotor Wind Turbine Mounted on Spar-Type Floating Platform

Omar El Beshbichi, Yihan Xing, Muk Chen Ong
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. April 2023, 145(2): 022001.
Paper No: OMAE-22-1055
DOI: https://doi.org/10.1115/1.4055552
Published Online: October 7, 2022
View Article titled, Linear Quadratic Regulator Optimal Control of Two-Rotor Wind Turbine Mounted on Spar-Type Floating Platform
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Topics: Blades, Control equipment, Design, Generators, Optimal control, Rotors, Spar platforms, Wind turbines, Wind velocity, Wing spars
Journal Articles

Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III

Wojciech Popko, Amy Robertson, Jason Jonkman, Fabian Wendt, Philipp Thomas, Kolja Müller, Matthias Kretschmer, Torbjørn Ruud Hagen, Christos Galinos, Jean-Baptiste Le Dreff, Philippe Gilbert, Bertrand Auriac, Sho Oh, Jacob Qvist, Stian Høegh Sørum, Loup Suja-Thauvin, Hyunkyoung Shin, Climent Molins, Pau Trubat, Paul Bonnet, Roger Bergua, Kai Wang, Pengcheng Fu, Jifeng Cai, Zhisong Cai, Armando Alexandre, Robert Harries
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. February 2021, 143(1): 012002.
Paper No: OMAE-19-1226
DOI: https://doi.org/10.1115/1.4047378
Published Online: July 1, 2020
View Article titled, Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III
Click here to open pdf in another window PDF for Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III
Topics: Computer simulation, Energy generation, Offshore wind turbines, Signals, Simulation, Simulation results, Stress, Time series, Wind farms, Wind velocity
Journal Articles

Power Optimization of Model-Scale Floating Wind Turbines Using Real-Time Hybrid Testing With Autonomous Actuation and Control

Samuel Kanner, Elena Koukina, Ronald W. Yeung
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. June 2019, 141(3): 031902.
Paper No: OMAE-17-1216
DOI: https://doi.org/10.1115/1.4041995
Published Online: January 17, 2019
View Article titled, Power Optimization of Model-Scale Floating Wind Turbines Using Real-Time Hybrid Testing With Autonomous Actuation and Control
Click here to open pdf in another window PDF for Power Optimization of Model-Scale Floating Wind Turbines Using Real-Time Hybrid Testing With Autonomous Actuation and Control
Topics: Generators, Simulation, Testing, Turbines, Vertical axis wind turbines, Aerodynamics, Yaw, Motors, Floating wind turbines, Actuators
Journal Articles

Nonlinear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. November 2014, 136(4): 041901.
Paper No: OMAE-13-1027
DOI: https://doi.org/10.1115/1.4027651
Published Online: July 31, 2014
View Article titled, Nonlinear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor
Click here to open pdf in another window PDF for Nonlinear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor
Topics: Damping, Waves, Control equipment, Generators, Predictive control
Journal Articles

Performance Enhancements and Validations of a Generic Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. November 2013, 135(4): 041101.
Paper No: OMAE-12-1040
DOI: https://doi.org/10.1115/1.4024150
Published Online: September 4, 2013
View Article titled, Performance Enhancements and Validations of a Generic Ocean-Wave Energy Extractor
Click here to open pdf in another window PDF for Performance Enhancements and Validations of a Generic Ocean-Wave Energy Extractor
Topics: Cylinders, Damping, Design, Generators, Magnets, Rotors, Shapes, Stators, Steel, Waves
Journal Articles

Individual Pitch Control of Horizontal Axis Wind Turbines

Fredrik Sandquist, Geir Moe, Olimpo Anaya-Lara
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Renewable Energy
J. Offshore Mech. Arct. Eng. August 2012, 134(3): 031901.
DOI: https://doi.org/10.1115/1.4005376
Published Online: February 1, 2012
View Article titled, Individual Pitch Control of Horizontal Axis Wind Turbines
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Topics: Blades, Control equipment, Generators, Wind turbines, Wind, Design
Journal Articles

Design, Analysis, and Evaluation of the UC-Berkeley Wave-Energy Extractor

Ronald W. Yeung, Antoine Peiffer, Nathan Tom, Tomasz Matlak
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Renewable Energy
J. Offshore Mech. Arct. Eng. May 2012, 134(2): 021902.
DOI: https://doi.org/10.1115/1.4004518
Published Online: December 6, 2011
View Article titled, Design, Analysis, and Evaluation of the UC-Berkeley Wave-Energy Extractor
Click here to open pdf in another window PDF for Design, Analysis, and Evaluation of the UC-Berkeley Wave-Energy Extractor
Topics: Design, Generators, Waves, Wave energy, Rotors, Hydrodynamics, Stators, Ocean waves
Journal Articles

Temperature Measurements in a Linear Generator and Marine Substation for Wave Power

Cecilia Boström, Magnus Rahm, Olle Svensson, Erland Strömstedt, Andrej Savin, Rafael Waters, Mats Leijon
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Renewable Energy
J. Offshore Mech. Arct. Eng. May 2012, 134(2): 021901.
DOI: https://doi.org/10.1115/1.4004629
Published Online: December 5, 2011
View Article titled, Temperature Measurements in a Linear Generator and Marine Substation for Wave Power
Click here to open pdf in another window PDF for Temperature Measurements in a Linear Generator and Marine Substation for Wave Power
Topics: Generators, Stators, Temperature, Temperature measurement, Seas, Wave energy, Convection, Insulation
Journal Articles

Estimating the Energy Production Capacity of a Taut-Moored Dual-Body Wave Energy Conversion System Using Numerical Modeling and Physical Testing

D. Elwood, S. C. Yim, E. Amon, A. von Jouanne, T. K. A. Brekken
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Engineering
J. Offshore Mech. Arct. Eng. August 2011, 133(3): 031102.
DOI: https://doi.org/10.1115/1.4003184
Published Online: March 29, 2011
View Article titled, Estimating the Energy Production Capacity of a Taut-Moored Dual-Body Wave Energy Conversion System Using Numerical Modeling and Physical Testing
Click here to open pdf in another window PDF for Estimating the Energy Production Capacity of a Taut-Moored Dual-Body Wave Energy Conversion System Using Numerical Modeling and Physical Testing
Topics: Buoys, Energy generation, Generators, Mooring, Spar platforms, Wave energy, Waves, Wing spars, Significant wave heights, Damping
Journal Articles

Experimental Results From an Offshore Wave Energy Converter

Cecilia Boström, Erik Lejerskog, Simon Tyrberg, Olle Svensson, Rafael Waters, Andrej Savin, Björn Bolund, Mikael Eriksson, Mats Leijon
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Engineering
J. Offshore Mech. Arct. Eng. November 2010, 132(4): 041103.
DOI: https://doi.org/10.1115/1.4001443
Published Online: September 24, 2010
View Article titled, Experimental Results From an Offshore Wave Energy Converter
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Topics: Generators, Stress, Wave energy converters, Ocean engineering, Absorption, Seas, Ocean waves, Permanent magnets
Journal Articles

Experimental Force Characterization and Numerical Modeling of a Taut-Moored Dual-Body Wave Energy Conversion System

D. Elwood, S. C. Yim, E. Amon, A. von Jouanne, T. K. A. Brekken
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Engineering
J. Offshore Mech. Arct. Eng. February 2010, 132(1): 011102.
DOI: https://doi.org/10.1115/1.3160535
Published Online: December 21, 2009
View Article titled, Experimental Force Characterization and Numerical Modeling of a Taut-Moored Dual-Body Wave Energy Conversion System
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Topics: Buoys, Generators, Spar platforms, Stress, Wave energy, Wing spars, Mooring, Electromagnetic force, Friction, Waves
Journal Articles

The VIVACE Converter: Model Tests at High Damping and Reynolds Number Around 10 5

Michael M. Bernitsas, Y. Ben-Simon, Kamaldev Raghavan, E. M. H. Garcia
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Ocean Engineering
J. Offshore Mech. Arct. Eng. February 2009, 131(1): 011102.
DOI: https://doi.org/10.1115/1.2979796
Published Online: December 11, 2008
View Article titled, The VIVACE Converter: Model Tests at High Damping and Reynolds Number Around 10 5
Click here to open pdf in another window PDF for The VIVACE Converter: Model Tests at High Damping and Reynolds Number Around 10 5
Topics: Cylinders, Damping, Generators, Vortex-induced vibration, Water, Reynolds number, Turbulence
Journal Articles

Influence of Generator Damping on Peak Power and Variance of Power for a Direct Drive Wave Energy Converter

Magnus Stålberg, Rafael Waters, Oskar Danielsson, Mats Leijon
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. August 2008, 130(3): 031003.
DOI: https://doi.org/10.1115/1.2905032
Published Online: July 11, 2008
View Article titled, Influence of Generator Damping on Peak Power and Variance of Power for a Direct Drive Wave Energy Converter
Click here to open pdf in another window PDF for Influence of Generator Damping on Peak Power and Variance of Power for a Direct Drive Wave Energy Converter
Topics: Damping, Generators, Seas, Wave energy converters, Stress, Wave energy, Knudsen number
Journal Articles

Rotational Speed Control of an OWC Wave Power Plant

P. A. P. Justino, A. F. de O. Falca˜o
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. May 1999, 121(2): 65–70.
DOI: https://doi.org/10.1115/1.2830079
Published Online: May 1, 1999
View Article titled, Rotational Speed Control of an OWC Wave Power Plant
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Topics: Wave energy, Seas, Turbines, Computer simulation, Fluctuations (Physics), Generators, Power conditioning, Torque, Water, Wells
Journal Articles

On the Length of the Transition Zone in Unconfined Buckle Propagation

S. U. Bhat, T. Wierzbicki
Journal: Journal of Offshore Mechanics and Arctic Engineering
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. May 1987, 109(2): 155–162.
DOI: https://doi.org/10.1115/1.3257004
Published Online: May 1, 1987
View Article titled, On the Length of the Transition Zone in Unconfined Buckle Propagation
Click here to open pdf in another window PDF for On the Length of the Transition Zone in Unconfined Buckle Propagation
Topics: Buckle propagation, Pipes, Pressure, Collapse, Deformation, Generators, Hydrostatic pressure, Thrust, Underwater pipelines