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Ossama Abdelkhalik
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Proceedings Papers

Numerical Investigation of a Variable-Shape Buoy Wave Energy Converter

Mohamed A. Shabara, Shangyan Zou, Ossama Abdelkhalik
Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A013, June 21–30, 2021
Paper No: OMAE2021-63594
DOI: https://doi.org/10.1115/OMAE2021-63594
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Topics: Buoys, Computational fluid dynamics, Fluid structure interaction, Shapes, Wave energy converters, Waves
Proceedings Papers

Control of Wave Energy Converter With Losses in Electrical Power Take-Off System

Xiang Zhou, Shangyan Zou, Wayne W. Weaver, Ossama Abdelkhalik
Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T09A006, July 20–22, 2021
Paper No: POWER2021-64938
DOI: https://doi.org/10.1115/POWER2021-64938
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Topics: Electricity (Physics), Wave energy converters, Machinery, Buoys, Computer simulation, Dynamics (Mechanics), Electric propulsion, Energy storage, Linear wave theory, Machine design
Proceedings Papers

Optimization of Both the Layout of an Array and the Buoy Dimension for Two Types of Arrays

Jianyang Lyu, Ossama Abdelkhalik, Shangyan Zou
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A035, August 3–7, 2020
Paper No: OMAE2020-19155
DOI: https://doi.org/10.1115/OMAE2020-19155
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Topics: Buoys, Dimensions, Optimization, Design, Hydrodynamics, Oceans, Q-factor, Simulation, Wave energy converters
Proceedings Papers

Genetic Optimization of Shape and Control of Non-Linear Wave Energy Converters

Jiajun Song, Ossama Abdelkhalik, Shangyan Zou
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A036, August 3–7, 2020
Paper No: OMAE2020-19156
DOI: https://doi.org/10.1115/OMAE2020-19156
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Topics: Nonlinear waves, Optimization, Power converters, Shapes, Buoys, Control equipment, Damping, Design, Energy harvesting, Excitation
Proceedings Papers

Numerical Wave Tank Simulation of a Variable Geometry Wave Energy Converter

Shangyan Zou, Ossama Abdelkhalik
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A024, August 3–7, 2020
Paper No: OMAE2020-18802
DOI: https://doi.org/10.1115/OMAE2020-18802
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Topics: Geometry, Simulation, Wave energy converters, Waves, Computational fluid dynamics, Fluid structure interaction, Climate, Deformation, Design, Energy conversion
Proceedings Papers

Statistical Energy Storage Sizing for Point Absorber Wave Energy Converters (WECs): A Device for Operation off the U.S. East Coast

Xiang Zhou, Mehdi Jafari, Ossama Abdelkhalik, Umesh A. Korde, Lucia Gauchia
Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A023, June 17–22, 2018
Paper No: OMAE2018-77227
DOI: https://doi.org/10.1115/OMAE2018-77227
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Topics: Energy storage, Shorelines, Wave energy converters, Oceans, Time series, Significant wave heights, Waves
Journal Articles

Evolving Hidden Genes in Genetic Algorithms for Systems Architecture Optimization

Ossama Abdelkhalik, Shadi Darani
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. October 2018, 140(10): 101015.
Paper No: DS-17-1273
DOI: https://doi.org/10.1115/1.4040207
Published Online: June 4, 2018
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Topics: Design, Genetic algorithms, Optimization, Trajectories (Physics), System architecture, Probability, Algorithms, Gases
Journal Articles

Control of Three Degrees-of-Freedom Wave Energy Converters Using Pseudo-Spectral Methods

Ossama Abdelkhalik, Shangyan Zou, Rush Robinett, Giorgio Bacelli, David Wilson, Ryan Coe
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. July 2018, 140(7): 074501.
Paper No: DS-16-1584
DOI: https://doi.org/10.1115/1.4038860
Published Online: January 19, 2018
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Topics: Degrees of freedom, Excitation, Optimization, Surges, Wave energy converters, Waves, Optimal control, Fourier series, Dynamic models
Proceedings Papers

An Assessment of WEC Control Performance Uncertainty

Ryan G. Coe, Giorgio Bacelli, Ossama Abdelkhalik, David G. Wilson
Proc. ASME. OMAE2017, Volume 10: Ocean Renewable Energy, V010T09A030, June 25–30, 2017
Paper No: OMAE2017-61912
DOI: https://doi.org/10.1115/OMAE2017-61912
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Topics: Uncertainty, Control equipment, Dynamic models, Design, Engineering simulation, Predictive control, Seas, Shorelines, Simulation, Testing
Proceedings Papers

WEC Geometry Optimization With Advanced Control

Ossama Abdelkhalik, Ryan G. Coe, Giorgio Bacelli, David G. Wilson
Proc. ASME. OMAE2017, Volume 10: Ocean Renewable Energy, V010T09A031, June 25–30, 2017
Paper No: OMAE2017-61917
DOI: https://doi.org/10.1115/OMAE2017-61917
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Topics: Geometry, Optimization, Boundary element methods, Design, Buoys, Dynamic models, Genetic algorithms, Seas, Shapes, Wave energy converters
Proceedings Papers

On the Control of Three-Degree-of-Freedom Wave Energy Converters

Shangyan Zou, Ossama Abdelkhalik
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T07A001, June 26–30, 2017
Paper No: ES2017-3038
DOI: https://doi.org/10.1115/ES2017-3038
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Topics: Wave energy converters, Optimal control, Predictive control
Proceedings Papers

Hybrid Control System for Spacecraft Antenna Boom

Anastasia M. Taylor, Rajan Khatri, Jean-Michel Dhainaut, Sathya N. Gangadharan, Chelakara Subramanian, Ossama Abdelkhalik
Proc. ASME. IMECE2009, Volume 15: Sound, Vibration and Design, 389-395, November 13–19, 2009
Paper No: IMECE2009-11303
DOI: https://doi.org/10.1115/IMECE2009-11303
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Topics: Hybrid control, Space vehicles, Vibration, Actuators, Accelerometers, Damping, Sensors, Aerospace industry, Computer software, Computers