Listar Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 158-177 de 180
-
Sensorless active damping strategy for parallel interleaved voltage source power converters with LCL filter
Samanes Pascual, Javier
; Gubía Villabona, Eugenio (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena 
Grid-connected pulse-width modulation converters with LCL filters are widely extended as an interface for renewable energy generating systems. Those filters arise stability issues due to the filter resonance, which, must ... -
SeTA: semiautomatic tool for annotation of eye tracking images
Larumbe Bergera, Andoni ; Porta Cuéllar, Sonia ; Cabeza Laguna, Rafael ; Villanueva Larre, Arantxa (ACM, 2019)
Contribución a congreso / Biltzarrerako ekarpena
Availability of large scale tagged datasets is a must in the field of deep learning applied to the eye tracking challenge. In this paper, the potential of Supervised-Descent-Method (SDM) as a semiautomatic labelling tool ... -
Silicon-based 0.450-0.475 THz series-fed double dielectric resonator on-chip antenna array based on metamaterial properties for integrated-circuits
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
The antenna array designed to operate over 0.450-0.475 Terahertz comprises two dielectric resonators (DRs) that are stacked vertically on top of each other and placed on the surface of the slot antenna fabricated on a ... -
Sistema de interrogación multi-sensor basado en multiplexación en longitud de onda y tiempo
Bravo Acha, Mikel ; Leandro González, Daniel ; Pérez, Asier; López-Amo Sáinz, Manuel (SEDOPTICA, 2021)
Contribución a congreso / Biltzarrerako ekarpena
En este trabajo se propone un sistema de interrogación versátil y económico basada en la generación de pulsos empleando la modulación directa de diodos láser DFB. Se ha demostrado una resolución en longitud de onda de 1 ... -
Stable L-band fiber laser sensor using a backscattering-based multimode fiber reflector
Pérez Herrera, Rosa Ana ; Roldán Varona, Pablo; Sánchez-González, Arturo; Durán Lázaro, María ; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (Optica Publishing Group, 2022)
Contribución a congreso / Biltzarrerako ekarpena
A new and highly stable L-band fiber laser for sensing is demonstrated. An emission line at 1575.47 nm, was achieved using a special reflector. Good strain sensitivity, optical signal to noise ratio and output power stability ... -
Study on antenna mutual coupling suppression using integrated metasurface isolator for SAR and MIMO applications
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Andujar, A.; Anguera, J.; Limiti, Ernesto (IEEE, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A metasurface based decoupling structure that is composed of a square-wave slot pattern with exaggerated corners that is implemented on a rectangular microstrip provides high-isolation between adjacent patch antennas for ... -
Sub-synchronous resonance damper based on the stator voltage feedback for DFIG wind turbines
Samanes Pascual, Javier ; Rosado Galparsoro, Leyre ; Gubía Villabona, Eugenio ; López Taberna, Jesús (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Doubly-fed induction generator (DFIG) wind turbines connected to series compensated grids are prone to sub-synchronous resonance (SSR) instability. In this paper we develop a model to analyze SSRs and propose a damping ... -
Super-gain-boosted miller op-amp based on nested regulated cascode techniques with FoMAOLDC =24,614kV/V.MHz.pF/µWatt
Paul, Anindita; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón; Díaz Sánchez, Alejandro (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A simple technique to greatly enhance the DC open-loop gain of a Miller op-amp is introduced here. It is based on the utilization of nested regulated cascode amplifiers. It uses conventional Miller compensation and does ... -
Supervised descent method (SDM) applied to accurate pupil detection in off-the-shelf eye tracking systems
Larumbe Bergera, Andoni ; Cabeza Laguna, Rafael ; Villanueva Larre, Arantxa (ACM, 2018)
Contribución a congreso / Biltzarrerako ekarpena
The precise detection of pupil/iris center is key to estimate gaze accurately. This fact becomes specially challenging in low cost frameworks in which the algorithms employed for high performance systems fail. In the last ... -
Suppressing open stopband for terahertz periodic microstrip leaky-wave antennas
Haddad, Thomas; Biurrun Quel, Carlos ; Lu, Peng; Kaya, Hacer; Mohammad, Israa; Stöhr, Andreas (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
This paper reports on a periodic microstrip Leaky-wave antenna (LWA). The open stopband issue is suppressed by altering the unit cell using a matching stub. The developed LWA is based on a grounded InP-substrate of 50 ... -
Synthetic wind speed generation for the simulation of realistic diurnal cycles
D’Ambrosio, D.; Schoukens, Johan; Troyer, T. De; Zivanovic, Miroslav ; Runacres, Mark (IOP Publishing, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Synthetic wind-speed generators can provide a detailed characterisation of the wind variability at different time scales. A keen interest in the availability of synthetic wind speeds has recently risen in wind power modelling ... -
Techno-economic assessment of high renewable energy source penetration in the Bolivian interconnected electric system
Rojas Candia, Ray Antonio; Araoz Ramos, Joseph Adhemar; Balderrama Subieta, Sergio Luis; Peña Balderrama, Jenny Gabriela; Senosiain Miquélez, Vicente; Quoilin, Sylvain (University of Minho, 2018)
Contribución a congreso / Biltzarrerako ekarpena
To reduce GHG emissions to reach the 2°C level, the International Energy Agency, projected that electricity generation based in renewable source should increase from 3% today to more than 20% by 2040 [1]. This transition ... -
A technology review and field testing of a soil water quality monitoring system
Afridi, Waqas A. K.; Akhter, Fowzia; Vitoria Pascual, Ignacio ; Mukhopadhyay, Subhas C. (Springer, 2023)
Contribución a congreso / Biltzarrerako ekarpena
Soil water quality is one of the most influential factors in ensuring the productivity of agricultural farms. Soil water quality and soil quality are hugely dependent on each other. Hence, it is essential to have a clear ... -
Temperature indicators and overtemperature detection in lithium-ion batteries based on electrochemical impedance spectroscopy
Lalinde Sainz, Iñaki; Berrueta Irigoyen, Alberto ; Soto Cabria, Adrián ; Arza, Joseba; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
Lithium-ion batteries are the leading technology for energy storage systems due to their attractive advantages. However, the safety of lithium-ion batteries is a major concern, as their operating conditions are limited in ... -
Temperature measurements on overhead lines using fiber Bragg grating sensors
(IEEE, 2017) Capítulo de libro / Liburuen kapitulua
This paper shows the results of temperature measurements on an overhead power transmission line segment under controlled conditions using Fiber Bragg Grating (FBG) sensors. An optical fiber with three FBG sensors enclosed ... -
THz tripod metasurfaces for sensing applications: from the basic, to more elaborated designs
Jáuregui López, Irati ; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we propose, design, and evaluate three types of : three types of metasurfaces using tripod-shaped unit cells when working as thin-film sensing devices. The three meta-atoms of the proposed metasensors area ... -
Toroidal inductor design in multilevel DC-DC electric vehicle battery charger including high-frequency effects
Elizondo Martínez, David ; Barrios Rípodas, Ernesto ; Sanchis Gúrpide, Pablo (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
Inductor filters, such as the ones implemented in DC-DC buck-boost converters for electric vehicle chargers, have a major impact on the converter weight, volume and cost. Thus, their design is key in order to obtain an ... -
Traffic monitoring based on FBG sensor arrays in asphalt structures
Bravo Acha, Mikel ; Leandro González, Daniel ; Bravo Acha, A.; Bravo Navas, M.; Mitxelena, J. R.; Martínez Mazo, J. J.; Camarero, E.; López-Amo Sáinz, Manuel (Optica, 2020)
Contribución a congreso / Biltzarrerako ekarpena
We evaluate the capabilities of optical fiber sensors to measure traffic flow, speed, weight estimation and pavement degradation. The proper operation of the system has been proved 3.5 years after the installation in a ... -
U2Eyes: a binocular dataset for eye tracking and gaze estimation
Porta Cuéllar, Sonia ; Bossavit, Benoît ; Cabeza Laguna, Rafael ; Larumbe Bergera, Andoni ; Garde Lecumberri, Gonzalo ; Villanueva Larre, Arantxa (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
Theory shows that huge amount of labelled data are needed in order to achieve reliable classification/regression methods when using deep/machine learning techniques. However, in the eye tracking field, manual annotation ... -
Ultra-long (275 km) random distributed feedback fiber laser for remote sensor monitoring
Miguel Soto, Verónica de ; Leandro González, Daniel ; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor located 275 km away from the monitoring station has been interrogated by a double-pumped random distributed feedback fiber laser, reaching the longest distance in fiber optic remote sensing reported ...
