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Design tradeoffs of an oil-hydraulic power take-off for wave energy converters
Renewable Energy, 2018Abstract This paper presents the main design tradeoffs that should be handled when developing oil-hydraulic Power Take-Off devices aiming at the maximization of energy extraction from waves with a point absorber wave energy converter. These tradeoffs were identified in a case study of a new Power Take-Off concept.
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Oil-hydraulic power take-off concept for an oscillating wave surge converter
Renewable Energy, 2020Abstract A power take-off oil-hydraulic system is designed for an oscillating wave surge converter. The adaptation of the converter to the power take-off is performed with genetic algorithms in order to find out the optimal geometrical and control parameters, while different power take-off layout configurations are simulated to maximize their ...
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Operation characteristics and methods of the hydraulic power take-off system
Transactions of the Institute of Measurement and Control, 2020The power take-off system plays a vital role in the wave energy generating unit. Here, for studying the operation characteristics and methods of the hydraulic power take-off system, its basic model is built relying on the operating principles of every component. Meanwhile, a proportional–integral–derivative (PID) controller is also designed to regulate
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A novel discrete control for wave energy converters with a hydraulic power take-off system
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Reliability prediction of a wave energy converter’s hydraulic power take-off system
2021MegaRoller wave energy converter (WEC) concept is being developed to produce cost-efficient renewable energy from the kinetic energy of ocean waves. The MegaRoller device consists of an oscillating flange, which captures the energy from waves, and two power take-off (PTO) systems that convert the kinetic energy into electricity.
Heikkilä, Eetu +3 more
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DEVELOPMENT OF A COMPUTER-CONTROLLED, HYDRAULIC, POWER TAKE-OFF (PTO) SYSTEM
Transactions of the ASAE, 2005Nearly all tractor PTO arrangements used today consist of a rotating mechanical shaft with two or more universal joints. This arrangement continues to be an entanglement hazard. By driving the attachment with fluid power, this hazard could be eliminated.
null R. S. Thomas, null D. R. Buckmaster
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Laboratory experiment on heaving body with hydraulic power take-off and latching control
Ocean Engineering, 2006A heaving axisymmetric floating body is tested with sinusoidal incident waves in a wave channel. It is connected to the piston of a pump, and it may be latched by an electromagnetic mechanism. Experimental results are compared with a linear mathematical model, for heave response, hydrodynamic parameters, absorbed wave power and converted hydraulic ...
T. Bjarte-Larsson, J. Falnes
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