Envíos recientes

  • Magnetic human body communication based on double-inductor coupling 

    Hernández-Gómez, Yicely K.; Álvarez Botero, Germán Andrés; Bacca Rodríguez, Jan; Sousa, Fernando Rangel de (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This paper proposes a new technique for Human Body Communication (HBC) that uses the magnetic coupling in transmitter and receiver. A discussion about the presence of parasitic paths, when magnetic coupling is used in the ...
  • Optical fiber refractometers based on sputtered indium tin oxide coatings 

    López, S.; Ruiz Zamarreño, Carlos Upna Orcid; Hernáez, M.; Del Villar, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2011)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This work presents the fabrication of optical fiber refractometers based on indium tin oxide (ITO) coatings deposited by sputtering with response in the visible spectral region. ITO thin-films have been sputtered by ...
  • SnO2 based optical fiber refractometers 

    Sánchez Zábal, Pedro Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Del Villar, Ignacio Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (SPIE, 2012)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this work, the fabrication and characterization of refractometers based on lossy mode resonances (LMR) is presented. Tin dioxide (SnO2) films deposited on optical fibers are used as the LMR supporting coatings. These ...
  • Optical fiber refractometers based on indium tin oxide coatings with response in the visible spectral region 

    Ruiz Zamarreño, Carlos Upna Orcid; López, S.; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Del Villar, Ignacio Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Elsevier, 2011)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This work presents the fabrication of optical fiber refractometers based on indium tin oxide (ITO) coatings with response in the visible spectral region. ITO thin-films have been sputtered by employing a rotating mechanism ...
  • Sensitivity enhancement by diameter reduction in low cutoff wavelength single-mode multimode singlemode (SMS) fiber sensors 

    Goñi Carnicero, Jaime Upna; Del Villar, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Two different low cutoff wavelength single-mode fibers were used in single-mode multimode single-mode (SMS) configuration with the aim of designing sensors operating at short wavelengths, where optical sources and spectrometers ...
  • All fiber interferometer for ice detection 

    Arozarena Arana, Jesús Antonio; Socorro Leránoz, Abián Bentor Upna Orcid; Del Villar, Ignacio Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Optica Publishing Group, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This work presents an etched single-mode - multimode - single-mode structure that detects the solid-to-liquid change of state of the water due to an increased refractive index sensitivity within the 1.308 - 1.321 RIU range
  • Fiber-optic immunosensor based on lossy mode resonances induced by indium tin oxide thin-films 

    Socorro Leránoz, Abián Bentor Upna Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    A novel immunosensor based on lossy mode resonances (LMRs) induced in optical fibers is developed in this contribution. Indium tin oxide (ITO) is sputtered on the optical substrate to generate an LMR in the transmission ...
  • Towards personal privacy control 

    Alcalde Bagüés, Susana Upna; Zeidler, Andreas; Fernández Valdivielso, Carlos Upna; Matías Maestro, Ignacio Upna Orcid (Springer, 2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this paper we address the realization of personal privacy control in the era of pervasive computing. How could an individual meet his/her expected level of privacy? how could the system guaranty that a user privacy ...
  • Asymmetrically and symmetrically coated tapered optical fiber for sensing applications 

    Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    The deposition of a non-metallic thin-film in a symmetrically coated tapered optical fiber leads to the generation of resonances due to guidance of a mode in the thin-film. At certain conditions, the resonances overlap ...
  • A comparative study between SMS interferometers and lossy mode resonace optical fiber devices for sensing applications 

    Socorro Leránoz, Abián Bentor Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Optical fiber sensors are of great interest due to their intrinsic advantages over electronic sensors. In this work, the sensing characteristics of two different and novel optical fiber devices are compared, after ...
  • A user-centric privacy framework for pervasive environments 

    Alcalde Bagüés, Susana Upna; Zeidler, Andreas; Fernández Valdivielso, Carlos; Matías Maestro, Ignacio Upna Orcid (Springer, 2006)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    One inherent feature of pervasive computing environments is the need to gather and process context information about real persons. Unfortunately, this unavoidably affects persons¿ privacy to a large degree. Each time ...
  • Design of multi-layered radiative cooling structures using evolutionary algorithms 

    Lezaun Capdevila, Carlos; Jorajuría, Tania; Torres García, Alicia E. Upna Orcid; Herrera, Pilar; Beruete Díaz, Miguel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this work we present a novel way to design thinfilm radiative cooling metamaterials based on genetic algorithms. Three simulations with different design constraints have been done, resulting in three structures that ...
  • Enhancing the infrared and visible emission properties of calcium silicate hydrate for radiative cooling using metamaterials 

    Lezaun Capdevila, Carlos; Dolado, J. S.; Torres García, Alicia E. Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Liberal Olleta, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Two periodic structures composed of metal cylinders with different orientations are used to improve the solar reflection of calcium silicate hydrate (CSH) while maintaining its atmospheric emission. Interesting effects ...
  • Comparison of State-of-Charge estimation methods for stationary Lithium-ion batteries 

    Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    An accurate monitoring of the State of Charge (SoC) is mandatory for an efficient management of a Lithium-ion battery. Batteries of stationary systems barely have long resting periods when the cumulative errors can be ...
  • Control strategy for an integrated photovoltaic-battery system 

    Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In photovoltaic-battery systems, more attention is usually paid to the MPPT control while the battery management is put aside. This paper proposes two control strategies for an integrated PV-battery system, both of them ...
  • Comparison of linear and and small-signal models for inverter-based microgrids 

    Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2014)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Frequency and voltage regulation in droop-based microgrids is generally modeled using small-signal analysis. In order to ensure accuracy, existing models do not decouple real and reactive power responses. However, the ...
  • On the stability criteria for inverter current control loops with LCL output filters and varying grid impedance 

    Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Marroyo Palomo, Luis Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    The use of LC and LCL filters and grid impedance variations are creating new challenges on the controller design for current control loops of photovoltaic and wind turbine inverters. In the design process, stability criteria ...
  • Hydrogen-lithium energy storage for a stand-alone microgrid 

    Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Sizing of the storage system for a stand-alone application: Satisfaction of technical requirements; Based on real data from an experimental microgrid; Long lifetime; Lowest price
  • Lithium-ion battery model and experimental validation 

    Berrueta Irigoyen, Alberto Upna Orcid; Irigaray, Víctor; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    A simple battery model is useful for: Sizing of the storage system for a particular application; Designing other elements connected to the battery; Managing the storage system operation. This poster consists on: Tests to ...
  • Compensation of forecast error in large PV plants with battery storage: associated strategies 

    Marcos Álvarez, Javier Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Muñoz Escribano, Mikel Upna; García Solano, Miguel Upna Orcid; Marroyo Palomo, Luis Upna Orcid (2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    As penetration rates of utility-scale photovoltaics (PV) increases, large PV plants will participate in the daily wholesale electricity market in the same way that wind farms. Then, PV plant owner can receive some kind of ...

Más


El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
Logo MinisterioLogo Fecyt