Listar Artículos de revista ISC - ISC aldizkari artikuluak por título
Mostrando ítems 11-30 de 609
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AC amplifiers with ultra-low corner frequency by using bootstrapping
Martincorena Arraiza, Maite
; Carlosena García, Alfonso ; Cruz Blas, Carlos Aristóteles de la ; López Martín, Antonio (Institution of Engineering and Technology, 2021)
Artículo / Artikulua 
A novel architecture for an AC (i.e. high-pass) amplifier is proposed allowing a drastic reduction of the cutoff frequency to the sub-Hertz range. It builds upon the classic AC configuration with a high gain amplifier and ... -
AC coupled amplifier with a resistance multiplier technique for ultra-low frequency operation
Martincorena Arraiza, Maite ; Cruz Blas, Carlos Aristóteles de la ; Carlosena García, Alfonso ; López Martín, Antonio (Elsevier, 2022)
Artículo / Artikulua
This paper proposes a novel, tunable AC coupled capacitive feedback amplifier, exhibiting an ultra-low high pass corner frequency. This is accomplished by actively boosting the output resistive value of a MOS transistor ... -
Accumulating priority queues versus pure priority queues for managing patients in emergency departments
Cildoz Esquíroz, Marta ; Ibarra, Amaia; Mallor Giménez, Fermín (Elsevier, 2019)
Artículo / Artikulua
Improving the quality of healthcare in emergency departments (EDs) is at the forefront of many hospital managers’ efforts, as they strive to plan and implement better patient flow strategies. In this paper, a new approach ... -
Acoustic lock: position and orientation trapping of non-spherical sub-wavelength particles in mid-air using a single-axis acoustic levitator
Cox, L; Croxford, A; Drinkwater, Bruce W.; Marzo Pérez, Asier (American Institute of Physics, 2018)
Artículo / Artikulua
We demonstrate acoustic trapping in both position and orientation of a non-spherical particle of sub-wavelength size in mid-air. To do so, we multiplex in time a pseudo-one-dimensional vertical standing wave and a ... -
Acuity-based rotational patient-to-physician assignment in an emergency department using electronic health records in triage
Cildoz Esquíroz, Marta ; Ibarra Bolt, Amaya; Mallor Giménez, Fermín (SAGE, 2023)
Artículo / Artikulua
Emergency department (ED) operational metrics generated by a new acuity-based rotational patient-to-physician assignment (ARPA) algorithm are compared with those obtained with a simple rotational patient assignment (SRPA) ... -
Addressing the impact of surface roughness on epsilon-near-zero silicon carbide substrates
Navajas Hernández, David; Pérez Escudero, José Manuel ; Martínez Hernández, María Elena ; Goicoechea Fernández, Javier ; Liberal Olleta, Íñigo (American Chemical Society, 2023)
Artículo / Artikulua
Epsilon-near-zero (ENZ) media have been very actively investigated due to their unconventional wave phenomena and strengthened nonlinear response. However, the technological impact of ENZ media will be determined by the ... -
Addressing the overlapping data problem in classification using the one-vs-one decomposition strategy
Sáez, José Antonio; Galar Idoate, Mikel ; Krawczyk, Bartosz (IEEE, 2019)
Artículo / Artikulua
Learning good-performing classifiers from data with easily separable classes is not usually a difficult task for most of the algorithms. However, problems affecting classifier performance may arise when samples from different ... -
Advanced phase-change intermediate heat exchanger development for multistage thermoelectric heat pumps
Erro Iturralde, Irantzu; Aranguren Garacochea, Patricia ; Alegría Cía, Patricia; Rodríguez García, Antonio ; Astrain Ulibarrena, David (Elsevier, 2023)
Artículo / Artikulua
The need to reach a full energy decarbonisation is well known. Heating and cooling consumption is almost half of the global energy end-use. Thus, development of low-carbon and highly efficient power-to-heat technologies ... -
Ag@Fe3O4-coated U-shaped plastic optical fiber sensor for H2S detection
López Vargas, Juan David; Dante, Alex; Allil, Regina C.; Del Villar, Ignacio ; Matías Maestro, Ignacio ; Werneck, Marcelo M. (Elsevier, 2024)
Artículo / Artikulua
This work presents the fabrication of U-shaped plastic optical fiber (POF) sensors for hydrogen sulfide (H2S) detection, coated with Fe3O4 nanoparticles synthetized using the Pulsed Laser Ablation in Liquid (PLAL) technique. ... -
Agent-based modelling and simulation for hub and electric last mile distribution in Vienna
Ballano Biurrun, Aitor; Al-Rahamneh, Anas; Serrano Hernández, Adrián ; Faulín Fajardo, Javier (Elsevier, 2023)
Artículo / Artikulua
With the rise of e-commerce and door-to-door sales, last-mile deliveries are gaining more and more importance. As a result, last-mile distribution has become one of the most sensitive logistics processes due to its uniqueness, ... -
Aggregator to electric vehicle LoRaWAN based communication analysis in vehicle-to-grid systems in smart cities
Klaina, Hicham; Picallo Guembe, Imanol ; López Iturri, Peio ; Astrain Escola, José Javier ; Azpilicueta Fernández de las Heras, Leyre ; Falcone Lanas, Francisco Javier (IEEE, 2020)
Artículo / Artikulua
Recently, there has been growing attention to the power grid management due to the increasing concerns on global warming. With the advancement in electric vehicles (EV) industry and the evolution in batteries, EVs become ... -
An algorithm for group decision making using n -dimensional fuzzy sets, admissible orders and OWA operators
Miguel Turullols, Laura de ; Sesma Sara, Mikel ; Elkano Ilintxeta, Mikel ; Asiain Ollo, María José ; Bustince Sola, Humberto (Elsevier, 2017)
Artículo / Artikulua
In this paper we propose an algorithm to solve group decision making problems using n -dimensional fuzzy sets, namely, sets in which the membership degree of each element to the set is given by an in- creasing tuple of n ... -
All-fiber ellipsometer for nanoscale dielectric coatings
Imas González, José Javier ; Matías Maestro, Ignacio ; Del Villar, Ignacio ; Ozcariz Celaya, Aritz ; Ruiz Zamarreño, Carlos ; Albert, Jacques (Chinese Academy of Sciences, 2023)
Artículo / Artikulua
Multiple mode resonance shifts in tilted fiber Bragg gratings (TFBGs) are used to simultaneously measure the thickness and the refractive index of TiO2 thin films formed by Atomic Layer Deposition (ALD) on optical fibers. ... -
All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
Leandro González, Daniel ; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
In this work, a new all-polarization maintaining (PM) fiber loop mirror interferometer is proposed and validated as temperature and mechanical vibration sensor. The scheme employs the arms of a PM coupler as communication ... -
Aluminum doped zinc oxide (AZO) coated optical fiber LMR refractometers. An experimental demonstration
Ozcariz Celaya, Aritz ; Piña-Azamar, Dafne A.; Ruiz Zamarreño, Carlos ; Domínguez Cruz, René; Arregui San Martín, Francisco Javier (Elsevier, 2019)
Artículo / Artikulua
This work presents the experimental demonstration of lossy mode resonance generation by means of aluminum doped zinc oxide thin-films. The use of such material may allow to optimize the performance of LMR-based sensors, ... -
Ammonia gas optical sensor based on lossy mode resonances
Armas, Dayron; Zubiate Orzanco, Pablo ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio (IEEE, 2023)
Artículo / Artikulua
This letter presents the fabrication and characterization of an ammonia (NH 3) gas optical sensor based on lossy mode resonances (LMRs). A chromium (III) oxide (Cr 2 O 3) thin film deposited onto a planar waveguide was ... -
Analog lock-in amplifier design using subsampling for accuracy enhancement in GMI sensor applications
Algueta-Miguel, Jose M. ; Beato López, Juan Jesús ; López Martín, Antonio (MDPI, 2023)
Artículo / Artikulua
A frequency downscaling technique for enhancing the accuracy of analog lock-in amplifier (LIA) architectures in giant magneto-impedance (GMI) sensor applications is presented in this paper. As a proof of concept, the ... -
Analysis and modelling of calendar ageing in second-life lithium-ion batteries from electric vehicles
Braco Sola, Elisa; San Martín Biurrun, Idoia ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
The reuse of Li-ion batteries from electric vehicles is a promising alternative to recycling nowadays. However, the technical and economic viability of these second-life (SL) batteries is not yet clear. Degradation ... -
An analysis matrix for the assessment of smart city technologies: main results of its application
Branchi, Pablo Emilio; Fernández Valdivielso, Carlos ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
The paper presents the main results of a previously developed methodology to better evaluate new technologies in Smart Cities, using a tool to evaluate different systems and technologies regarding their usefulness, considering ... -
Analysis of gyrobianisotropic media effect on the input impedance, field distribution and mutual coupling of a printed dipole antenna
Bouknia, Mohamed Lamine; Zebiri, Chemseddine; Sayad, Djamel; Elfergani, Issa; Matin, Mohammad; Alibakhshikenari, Mohammad; Alharbi, Abdullah G.; Hu, Yim Fun; Abd-Alhameed, Raed; Rodriguez, Jonathan; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (Springer Nature, 2022)
Artículo / Artikulua
In this paper, we present an analytical study for the investigation of the effects of the magnetoelectric elements of a reciprocal and nonreciprocal bianisotropic grounded substrate on the input impedance, resonant length ...
