BackBrowsing by Author "M’zoughi, Fares"
Now showing items 1-20 of 21
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A Control Approach on Hybrid Floating Offshore Wind Turbines for Platform and Generated Power Oscillations Reduction at Below-rated Wind Speed
; ; ; Garrido Hernández, Aitor Josu
; Garrido Hernández, Izaskun (Springer, 2022-10-12)
This paper presents the use of four oscillating water columns integrated into the platform of a barge-type floating offshore wind turbine. A control strategy has been proposed to decrease the system’s oscillations and ... -
A control technique for hybrid floating offshore wind turbines using oscillating water columns for generated power fluctuation reduction
; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (Oxford University Press, 2023-02)
The inherent oscillating dynamics of floating offshore wind turbines (FOWTs) might result in undesirable oscillatory behavior in both the system states and the generated power outputs, leading to unwanted effects on critical, ... -
A Machine-Learning Approach for Prognosis of Oscillating Water Column Wave Generators
Garrido Hernández, Izaskun; ; ; ; ; ; Garrido Hernández, Aitor Josu (IEEE, 2023-11-01)
Wave excitations cause structural vibrations on the Oscillating Water Columns (OWC) lowering the power generated and reducing the life expectancy. The problem of generator deterioration has been considered for the Mutriku ... -
A Machine-Learning Approach for the Development of a FOWT Model Integrated with Four OWCs
; ; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (IEEE, 2023-02-20)
The wind-wave excitations cause structural vibrations on the Floating Offshore Wind Turbines (FOWT) pressing the power generation efficiency and reducing the life expectancy. In particular, tower-top displacement and ... -
A regressive machine-learning approach to the non-linear complex FAST model for hybrid floating offshore wind turbines with integrated oscillating water columns
; ; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (Nature, 2023)
Offshore wind energy is getting increasing attention as a clean alternative to the currently scarce fossil fuels mainly used in Europe's electricity supply. The further development and implementation of this kind of ... -
Advancing Offshore Renewable Energy: Integrative Approaches in Floating Offshore Wind Turbine-Oscillating Water Column Systems Using Artificial Intelligence-Driven Regressive Modeling and Proportional-Integral-Derivative Control
; ; ; Garrido Hernández, Aitor Josu; Garrido Hernández, Izaskun (MDPI, 2024-07-31)
This research investigates the integration of Floating Offshore Wind Turbines (FOWTs) with Oscillating Water Columns (OWCs) to enhance sustainable energy generation, focusing on addressing dynamic complexities and uncertainties ... -
ANN-Based Airflow Control for an Oscillating Water Column Using Surface Elevation Measurements
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (MDPI, 2020-01-29)
Oscillating water column (OWC) plants face power generation limitations due to the stalling phenomenon. This behavior can be avoided by an airflow control strategy that can anticipate the incoming peak waves and reduce its ... -
Complementary Airflow Control of Oscillating Water Columns for Floating Offshore Wind Turbine Stabilization
; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (MDPI, 2021-06-12)
The implementation and integration of new methods and control techniques to floating offshore wind turbines (FOWTs) have the potential to significantly improve its structural response. This paper discusses the idea of ... -
Dual Airflow Control Strategy for Floating Offshore Wind Turbine Stabilization Using Oscillating Water Columns
; ; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (Springer, 2022-07-02)
The stability of Floating Offshore Wind Turbine (FOWT) has been the focus of many researchers in the last years. Many concepts proposed the use of passive structural control such as inerter and Tuned Mass Dampers (TMD). ... -
Enhancing Stability and Performance of Hybrid Offshore Wind Platforms: A Novel Fuzzy Logic Control Approach with Computational Machine Learning
; ; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (IEEE, 2024-01-01)
Harnessing the power of wind and waves for renewable energy production has become vital in the quest for sustainable electricity generation. The fusion of Floating Offshore Wind Turbines (FOWTs) and Oscillating Water Columns ... -
Fuzzy Airflow-Based Active Structural Control of Integrated Oscillating Water Columns for the Enhancement of Floating Offshore Wind Turbine Stabilization
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (Wiley, 2023)
This paper presents the modeling and stabilization of a floating offshore wind turbine (FOWT) using oscillating water columns (OWCs) as active structural control. The novel concept of this work is to design a new FOWT ... -
Fuzzy logic control of an artificial neural network-based floating offshore wind turbine model integrated with four oscillating water columns
; ; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (Elsevier, 2023-02)
Renewable energy induced by wind and wave sources is playing an indispensable role in electricity production. The innovative hybrid renewable offshore platform concept, which combines Floating Offshore Wind Turbines (FOWTs) ... -
Irakaskuntzaren berrikuntza kontrol ingeniaritzan itsas energian
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2022)[EN]Research on marine energy has matured during the last decade and many effective applications of this technology are now successfully deployed. This International Workshop on Wind (and) Marine Energy (WWME) provides a ... -
Metaheuristic Airflow control for vibration mitigation of a hybrid oscillating water Column-Floating offshore wind turbine system
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (Elsevier, 2024-07)
Unlike the fixed wind turbines, the structure of Floating Offshore Wind Turbines (FOWT) have the added motions of six degrees of freedom induced by the wind, wave and tidal loads. These motions lead to vibration and the ... -
Modeling and Control of Oscillating Water Column Devices for Ocean Energy Conversion.
(2018-07-12)The work elaborated in this Ph. D. thesis focused on the modeling and control of an OWC device installed in the NEREIDA wave power plant of Mutriku. The main contributions are the development of a proper MATLAB/Simulink ... -
Performance Analysis on the Use of Oscillating Water Column in Barge-Based Floating Offshore Wind Turbines
; ; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (MDPI, 2021-02-25)
Undesired motions in Floating Offshore Wind Turbines (FOWT) lead to reduction of system efficiency, the system’s lifespan, wind and wave energy mitigation and increment of stress on the system and maintenance costs. In ... -
Rotational Speed Control Using ANN-Based MPPT for OWC Based on Surface Elevation Measurements
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (MDPI, 2020-11-16)
This paper presents an ANN-based rotational speed control to avoid the stalling behavior in Oscillating Water Columns composed of a Doubly Fed Induction Generator driven by a Wells turbine. This control strategy uses ... -
Self-Adaptive Global-Best Harmony Search Algorithm-Based Airflow Control of a Wells-Turbine-Based Oscillating-Water Column
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu ; De la Sen Parte, Manuel (MDPI, 2020-07-03)
The Harmony Search algorithm has attracted a lot of interest in the past years because of its simplicity and efficiency. This led many scientists to develop various variants for many applications. In this paper, four ... -
Switching Control Strategy for Oscillating Water Columns Based on Response Amplitude Operators for Floating Offshore Wind Turbines Stabilization
; ; Martija López, Itziar; Garrido Hernández, Izaskun ; Garrido Hernández, Aitor Josu (MDPI, 2021-06-05)
In this article, a new strategy for switching control has been proposed with the aim of reducing oscillations in floating offshore wind turbines. Such oscillations lead to a shortage in the system’s efficiency, lifespan ... -
Symmetry-Breaking for Airflow Control Optimization of an Oscillating-Water-Column System
; Garrido Hernández, Izaskun; Garrido Hernández, Aitor Josu (MDPI, 2020-06-01)
Global optimization problems are mostly solved using search methods. Therefore, decreasing the search space can increase the efficiency of their solving. A widely exploited technique to reduce the search space is ...