BackBrowsing by Author "Sáenz Aguirre, Aitor"
Now showing items 1-18 of 18
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5 MW Wind Turbine Annual Energy Production Improvement by Flow Control Devices
; ; ; ; ; López Guede, José Manuel
; Sancho Saiz, Javier (MDPI, 2018-11-06)
Several flow control devices have been studied in recent years. Majority of them were designed firstly for aeronautical purposes. At present many research is aimed to introduce these devices in wind turbines (WTs) in order ... -
A Parametric Study of Trailing Edge Flap Implementation on Three Different Airfoils Through an Artificial Neuronal Network
Rodríguez Eguía, Igor; ; ; Blanco Ilzarbe, Jesús María; ; Sáenz Aguirre, Aitor (MDPI, 2020-05-18)
Trailing edge flaps (TEFs) are high-lift devices that generate changes in the lift and drag coefficients of an airfoil. A large number of 2D simulations are performed in this study, in order to measure these changes in ... -
Extension and improvement of synchronous linear generator based point absorber operation in high wave excitation scenarios
Sáenz Aguirre, Aitor; Ulazia Manterola, Alain; ; Sáenz Aguirre, Jon (Elsevier, 2021-11-01)
[EN]The exploitation of marine wave energy resource has led to the design of numerous Wave Energy Converter (WEC) configurations. The power absorption of a WEC is tightly related to its physical properties and the ... -
FAST kodearen egokitzapena haize errota flotatzaileentzat
(2020-11-05)Egungo gizartearen energia-eskaria oso handia da, eta urtero gora egiten du. Eskari izugarri hori asetzeko, agerian geratzen ari da iturri fosiletatik energia-iturri berriztagarrietarako trantsizioaren beharra; ez bakarrik ... -
Floating wind turbine energy and fatigue loads estimation according to climate period scaled wind and waves
; Ulazia Manterola, Alain; ; Sáenz Aguirre, Jon (Elsevier, 2022-11)
Offshore wind power is one of the fastest-growing renewable energy sources, as it is expected to play a major role in the transition towards sustainability and net zero emissions. Despite its potential, the interaction of ... -
Flow control based 5 MW wind turbine enhanced energy production for hydrogen generation cost reduction
; ; ; ; Teso Fernández de Betoño, Daniel (2022-02-05)
Improving the performance and the production of renewable energy sources, especially the wind energy, is considered an attractive approach to reduce the Cost of Energy (COE) associated to the hydrogen generation process. ... -
Gurney Flap Implementation on a DU91W250 Airfoil
; Sáenz Aguirre, Aitor; ; ; López Guede, José Manuel; Boyano Murillo, Ana Isabel ; Sancho Saiz, Javier (MDPI, 2018-11-06)
Abstract The increasing capability of Wind Turbine (WT) based power generation systems has derived in an increment of the WT rotor diameter, i.e., longer rotor blades. This results in an increase of the electrical power ... -
Kharitonov Theorem Based Robust Stability Analysis of a Wind Turbine Pitch Control System
Sáenz Aguirre, Aitor; ; ; Teso Fernández de Betoño, Daniel; Olarte, Javier (MDPI, 2020-06-12)
Wind energy has recently become one of the most prominent technologies among electrical energy generation systems. As a result, wind-based renewable energy generation systems are incessantly growing, and wind turbines of ... -
Long-Term Freezing Temperatures Frequency Change Effect on Wind Energy Gain (Eurasia and North America, 1950 & 2019)
Aizpurua Etxezarreta, Maddi; ; Ulazia Manterola, Alain; Sáenz Aguirre, Jon ; Sáenz Aguirre, Aitor (MDPI, 2022-05-07)
The persistent freezing conditions in cold regions are the cause of ice accretion on mechanical and instrumental elements of wind turbines. Consequently, remarkable Annual Energy Production (AEP) losses are prone to occur ... -
Modeling of Motorized Orthosis Control
; ; Teso Fernández de Betoño, Daniel; Sáenz Aguirre, Aitor; (MDPI, 2019-06-15)
Orthotic devices are defined as externally applied devices that are used to modify the structural and functional characteristics of the neuro-muscular and skeletal systems. The aim of the current study is to improve the ... -
Optimal strategies of deployment of far offshore co-located wind-wave energy farms
Sáenz Aguirre, Aitor; Sáenz Aguirre, Jon; Ulazia Manterola, Alain ; (Elsevier, 2022-01-01)
[EN] The most profitable offshore energy resources are usually found away from the coast. Nevertheless, the accessibility and grid integration in those areas are more complicated. To avoid this problematic, large scale ... -
Oscillating U-Shaped Body for Underwater Piezoelectric Energy Harvester Power Optimization
; Sáenz Aguirre, Aitor; Boyano Murillo, Ana Isabel; ; (MDPI, 2019-10-30)
Vibration energy harvesting (VeH) techniques by means of intentionally designed mechanisms have been used in the last decade for frequency bandwidth improvement under excitation for adequately high-vibration amplitudes. ... -
Paradigmatic case of long-term colocated wind–wave energy index trend in Canary Islands
Ulazia Manterola, Alain; Sáenz Aguirre, Jon ; ; ; (Elsevier, 2023-05)
Previous studies based on remote sensing data and reanalysis have identified strong historical increments of wind speed in the area around the Canary Islands (Spain) without appreciating any increment of wave height. This ... -
Performance enhancement of the artificial neural network– based reinforcement learning for wind turbine yaw control
; ; ; Ulazia Manterola, Alain; Teso Fernández de Betoño, Daniel (Wiley, 2019-11-03)
The yaw angle control of a wind turbine allows maximization of the power absorbed from the wind and, thus, the increment of the system efficiency. Conventionally, classical control algorithms have been used for the yaw ... -
Performance variations of wave energy converters due to global long-term wave period change (1900–2010)
Ulazia Manterola, Alain; ; ; Sáenz Aguirre, Jon ; ; (Elsevier, 2023-04)
Long-term ocean climate effects on wave energy are often analysed from the viewpoint of the well-known increment of wave height over the decades. However, this increment associated with the increase of wave energy flux and ... -
Predictive Dynamic Window Approach Development with Artificial Neural Fuzzy Inference Improvement
Teso Fernández de Betoño, Daniel; ; ; Sáenz Aguirre, Aitor; Martínez Rodríguez, Raquel (MDPI, 2019-08-26)
The aim of this paper is to improve the dynamic window approach algorithm for mobile robots by implementing a prediction window with a fuzzy inference system to adapt to fixed parameters, depending on the surrounding ... -
Semantic Segmentation to Develop an Indoor Navigation System for an Autonomous Mobile Robot
Teso Fernández de Betoño, Daniel; ; Sánchez Chica, Ander; ; Sáenz Aguirre, Aitor (MDPI, 2020-05-25)
In this study, a semantic segmentation network is presented to develop an indoor navigation system for a mobile robot. Semantic segmentation can be applied by adopting different techniques, such as a convolutional neural ... -
Teknika adimentsuetan oinarritutako aerosorgailuen kontrol sistemen diseinua.
(2020-06-22)Tesi honetan ardatz horizontaleko aerosorgailuen operazioa hobetzeko teknika adimentsu eta noinarritutako kontrol sistema aurreratuen diseinu eta simulazio bidezko balioztatzea proposatzen da.Nahiz eta gaur egungo aerosorgailu ...