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Performance analysis of a raft-type wave energy converter with a torsion bi-stable mechanism
Energy, 2021In this study, a torsion bi-stable mechanism is proposed to enhance the absorption efficiency of the raft-type wave energy converter (WEC). The torsion bi-stable mechanism and a power take-off (PTO) system are settled at the joint between hinged rafts ...
Qi-Jia Shi, Dao-Lin Xu, Hai-Cheng Zhang
semanticscholar +1 more source
Volume 5: Ocean Space Utilization; Ocean Renewable Energy, 2011
This paper introduces a new software package (WaveDyn) dedicated to the modelling of wave energy converters (WECs). It consists of a multi-body, nonlinear equation of motion solver with multiple modules: wave characterisation, hydrodynamic data loader, power take-off (PTO), moorings, and control. The software relies on external (commercially available)
Joao Cruz +2 more
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This paper introduces a new software package (WaveDyn) dedicated to the modelling of wave energy converters (WECs). It consists of a multi-body, nonlinear equation of motion solver with multiple modules: wave characterisation, hydrodynamic data loader, power take-off (PTO), moorings, and control. The software relies on external (commercially available)
Joao Cruz +2 more
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Data-Driven Economic MPC of a Point Absorber Wave Energy Converter
IEEE Journal of Emerging and Selected Topics in Industrial ElectronicsThis article presents a data-driven economic model predictive control (EMPC) framework for maximizing the output power of the nonlinear wave-energy converter (WEC). The linear representation of the nonlinear WEC is realized by the Koopman operator theory,
Yubin Jia +5 more
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Hardware in the Loop Wave Energy Converter Control Under Control Faults and Model Mismatch
IEEE Transactions on Sustainable EnergyOcean wave energy conversion is operated in a challenging environment featuring massive and impulsive stresses and is subjected to large amounts of biofouling and marine growth.
L. G. Zadeh +3 more
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Optimization of linear generator designs for wave energy converter (WEC) system in Malaysia
2016 6th International Conference on Intelligent and Advanced Systems (ICIAS), 2016This paper presents the optimization process of proposed generator designs for Wave Energy Converter (WEC) system in Malaysia. Two initial generator designs have been proposed and their open-circuit simulation results have been acquired. Both designs are optimized in term of total number of coil turns, split ratio and pitch ratio to increase the ...
Naily Akmal Mohd Zamri +2 more
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Wave Energy Converter (WEC) System Demonstrator - Request for Proposal
2011The Wave Energy Converter (WEC) System Demonstrator Project launched in February 2013 to accelerate the development and commercialisation of WEC systems capable of becoming cost competitive with other generation forms. This project conducted design and economic analysis, focusing on ways of implementing step-change innovative technical solutions.The ...
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Quantification of littoral wave action to establish the influence from wave energy converters (WEC)
2011No abstracts are to be cited without prior reference to the author.Wave energy converters have the potential to cause ecological change due to the attenuation of shoreline wave action. The widely accepted methods of estimating the amount of wave action or ”exposure” in the rocky shore littoral zone include establishing the locally most abundant ...
Beharie, Robert A., Side, Jon
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Development and Demonstration of The WEC-Sim Wave Energy Converter Simulation Tool
2014The National Renewable Energy Laboratory (NREL) and Sandia National Laboratories (SNL) have developed WEC-Sim to provide the wave energy converter (WEC) design community with an open-source simulation tool. WEC-Sim models the system dynamics of WEC devices using multi- body dynamics methods and simulates hydrodynamic forces using coefficients predicted
Lawson, Michael +3 more
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Offshore Technology Conference, 2014
Abstract Cost of energy is a critical factor to the success of Wave Energy Converters (WEC), in order for wave energy converters to compete with other forms of renewable and fossil-fuelled power generation. Essentially, the energy converted into electricity by a WEC is a function of the resource the converter is ...
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Abstract Cost of energy is a critical factor to the success of Wave Energy Converters (WEC), in order for wave energy converters to compete with other forms of renewable and fossil-fuelled power generation. Essentially, the energy converted into electricity by a WEC is a function of the resource the converter is ...
openaire +1 more source