[HTML][HTML] Optimal design of fractional-order PID controllers for a nonlinear AWS wave energy converter using hybrid jellyfish search and particle swarm optimization

ZM Ali, AM Ahmed, HM Hasanien, SHEA Aleem - Fractal and Fractional, 2023 - mdpi.com
In this study, a nonlinear Archimedes wave swing (AWS) energy conversion system was
employed to enable the use of irregular sea waves to provide useful electricity. Instead of the …

Optimisation of wave energy extraction with the Archimedes Wave Swing

D Valério, P Beirão, JS Da Costa - Ocean Engineering, 2007 - Elsevier
This paper addresses the Archimedes Wave Swing (an offshore wave energy converter,
which produces electricity from sea waves). It compares the performances of latching control …

Numerical analysis and performance optimization of a submerged wave energy point absorber

R Guanche, V Gómez, C Vidal, I Eguinoa - Ocean Engineering, 2013 - Elsevier
A submerged wave energy point absorber, TWED (Torres Wave Energy Device), has been
studied under regular and irregular wave conditions. A partial non-linear time domain model …

Identifying a transfer function from a frequency response

D Valério, MD Ortigueira… - Journal of …, 2008 - asmedigitalcollection.asme.org
In this paper, the classic Levy identification method is reviewed and reformulated using a
complex representation. This new formulation addresses the well known bias of the classic …

Identification and control of the AWS using neural network models

D Valério, MJGC Mendes, P Beirão… - Applied Ocean Research, 2008 - Elsevier
The Archimedes Wave Swing (AWS) is aa fully-submerged Wave Energy Converter (WEC),
that is to say, a device that converts the energy of sea waves into electricity. A first prototype …

Modelling and control of a wave energy converter

G Nunes, D Valério, P Beirão, JS Da Costa - Renewable Energy, 2011 - Elsevier
This work addresses an off-shore oscillating water column for producing electricity from sea
waves. It describes the modelling of this device and the study of control techniques that …

Reduction of cogging force in linear permanent-magnet generators

J Faiz, M Ebrahimi-Salari… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Although linear permanent-magnet generators (LPMGs) are widely used for converting
wave energy into electrical energy, they suffer from large cogging force. The cogging force …

New perspectives on wave energy converter control

AAE Price - 2009 - era.ed.ac.uk
This work examines some of the fundamental problems behind the control of wave energy
converters (WECs). Several new perspectives are presented to aid the understanding of the …

Linear model identification of the Archimedes Wave Swing

P Beirdol, D Valério, JS da Costa - … International Conference on …, 2007 - ieeexplore.ieee.org
This paper uses Levy's identification method to build linear, second-order models for the
Archimedes Wave Swing (AWS), an off-shore, fully-submerged, point absorber wave energy …

[PDF][PDF] Control of the archimedes wave swing using neural networks

P Beirao, M Mendes, D Valério… - 7th European Wave and …, 2007 - researchgate.net
This paper addresses the control of the Archimedes Wave Swing, a fully-submerged Wave
Energy Converter (WEC), of which a prototype has already been built and tested. Simulation …