• Evaluación de la eficacia de la comunidad terapéutica de Proyecto Hombre de Navarra 

  López-Goñi, José Javier  (2005)   Tesis doctoral / Doktoretza tesia  

  En esta tesis se presenta un estudio sobre la evaluación de la eficacia de la comunidad terapéutica de Proyecto Hombre de Navarra. La comunidad terapéutica forma parte del arsenal terapéutico disponible hoy en día para ...

• Determinants and tools to evaluate the ecological sustainability of using forest biomass as an alternative energy source 

  Blanco Vaca, Juan Antonio ; Candel-Pérez, David ; Lo, Yueh-Hsin  (2018)   Capítulo de libro / Liburuen kapitulua  

  Forest biomass, the most ancient of fuels, is again in the center of renewable energy production. This chapter provides an introductory view of the main factors that condition the ecological sustainability of this energy ...

• Routing with classical corrugated waveguide low-pass filters with embedded bends 

  Teberio Berdún, Fernando ; Percaz Ciriza, Jon Mikel; Arregui Padilla, Iván ; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel; Arnedo Gil, Israel  (EMW Publishing, 2018)   Artículo / Artikulua  

  A very simple design method to embed routing capabilities in classical corrugated filters is presented in this paper. The method is based on the calculation of the heights and lengths of the so-called filters design ...

• Robust multisampled capacitor voltage active damping for grid-connected power converters 

  Samanes Pascual, Javier; Urtasun Erburu, Andoni ; Gubía Villabona, Eugenio ; Petri, Alberto (Elsevier, 2019)   Artículo / Artikulua

  The derivative feedback of the capacitor voltage is one of the most extended active damping strategies, used to eliminate stability problems in grid-connected power converters with an LCL filter. This strategy is equivalent ...

• Resonant quasi-periodic structure for rectangular waveguide technology with wide stopband and band-pass behavior 

  Arregui Padilla, Iván ; Teberio Berdún, Fernando ; Arnedo Gil, Israel ; Percaz Ciriza, Jon Mikel; Gómez Torrent, Adrián ; Chudzik, Magdalena; Gómez Laso, Miguel Ángel; Lopetegui Beregaña, José María  (EMW Publishing, 2016)   Artículo / Artikulua  

  In this paper, a novel quasi-periodic structure for rectangular waveguide technology is proposed. The constituent unit cells of the structure feature a resonant behavior, providing high attenuation levels in the stopband ...

• Parameter-independent control for battery chargers based on virtual impedance emulation 

  Urtasun Erburu, Andoni ; Berrueta Irigoyen, Alberto; Sanchís Gúrpide, Pablo ; Marroyo Palomo, Luis  (IEEE, 2018)   Artículo / Artikulua

  An effective battery voltage regulation is fundamental to extend battery lifetime and to avoid overvoltage. However, the design of this regulation is complicated due to the wide battery impedance range, which, when dealing ...

• A comprehensive model for lithium-ion batteries: from the physical principles to an electrical model 

  Berrueta Irigoyen, Alberto; Urtasun Erburu, Andoni ; Ursúa Rubio, Alfredo ; Sanchís Gúrpide, Pablo  (Elsevier, 2018)   Artículo / Artikulua

  The growing interest in e-mobility and the increasing installation of renewable energy-based systems are leading to rapid improvements in lithium-ion batteries. In this context, battery manufacturers and engineers require ...

• Rectangular waveguide filters with meandered topology 

  Teberio Berdún, Fernando ; Percaz Ciriza, Jon Mikel ; Arregui Padilla, Iván ; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel ; Arnedo Gil, Israel  (IEEE, 2018)   Artículo / Artikulua

  In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed ...

• State-of-charge-based droop control for stand-alone AC supply systems with distributed energy storage 

  Urtasun Erburu, Andoni ; Sanchís Gúrpide, Pablo ; Marroyo Palomo, Luis  (Elsevier, 2015)   Artículo / Artikulua  

  The droop method is an advantageous technique for stand-alone AC supply systems, allowing for power sharing among various inverters with no need for communication cables. However, in stand-alone systems with multiple ...

• Control of a single-switch two-input buck converter for MPPT of two PV strings 

  Urtasun Erburu, Andoni ; Dah-Chuan Lu, Dylan (IEEE, 2015)   Artículo / Artikulua  

  In this paper, the Two-Input Buck (TIBuck) converter is proposed as the DC/DC stage for photovoltaic (PV) cascaded converters. This converter is attractive for this application because it is cost-effective and reliable and ...

• High frequency power transformers with foil windings: maximum interleaving and optimal design 

  Barrios Rípodas, Ernesto ; Urtasun Erburu, Andoni ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis ; Sanchís Gúrpide, Pablo  (IEEE, 2015)   Artículo / Artikulua  

  Foil conductors and primary and secondary interleaving are normally used to minimize winding losses in high frequency transformers used for high-current power applications. However, winding interleaving complicates the ...

• Frequency-based energy management strategy for stand-alone systems with distributed battery storage 

  Urtasun Erburu, Andoni ; Barrios Rípodas, Ernesto ; Sanchís Gúrpide, Pablo ; Marroyo Palomo, Luis  (IEEE, 2015)   Artículo / Artikulua  

  Distributed generation is an attractive solution for stand-alone AC supply systems. In such systems, the installation of two or more energy-storage units is recommended for system redundancy and may also be required when ...

• Energy management strategy for a battery-diesel stand-alone system with distributed PV generation based on grid frequency modulation 

  Urtasun Erburu, Andoni ; Sanchís Gúrpide, Pablo ; Barricarte Rivas, David; Marroyo Palomo, Luis  (Elsevier, 2014)   Artículo / Artikulua  

  A hybrid PV-Battery-Diesel configuration is very attractive for stand-alone systems in terms of cost and reliability. In many applications, the battery and the diesel generator are centralized and generate the AC grid while ...

• Small wind turbines sensorless MPPT: robustness analysis and lossless approach 

  Urtasun Erburu, Andoni ; Sanchís Gúrpide, Pablo ; Marroyo Palomo, Luis  (IEEE, 2014)   Artículo / Artikulua  

  The configuration Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WESC) thanks to its reliability and low cost. In order to perform a sensorless ...

• Modeling of small wind turbines based on PMSG with diode bridge for sensorless maximum power tracking 

  Urtasun Erburu, Andoni ; Sanchís Gúrpide, Pablo ; San Martín Biurrun, Idoia ; López Taberna, Jesús; Marroyo Palomo, Luis  (Elsevier, 2013)   Artículo / Artikulua  

  The Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WECS). This configuration is robust and cheap, and therefore suitable for small WECS. In order ...

• Combined effect of antimicrobial edible coatings with reduction of initial microbial load on the shelf-life of fresh hake (Merluccius merluccius) medallions 

  Otero Tuárez, Víctor Oswaldo; Carrión Granda, Ximena ; Fernández Pan, Idoya; Fernández García, Teresa; Maté Caballero, Juan Ignacio (Wiley, 2018)   Artículo / Artikulua

  Two distinct strategies were combined to preserve fresh fish (Merluccius merluccius) under refrigeration at 4 °C for 12 days: (i) the application of an antimicrobial edible coating enriched with oregano essential oil (OEO) ...

• High sensitivity humidity sensor based on cladding-etched optical fiber and lossy mode resonances 

  Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier  (Elsevier, 2016)   Artículo / Artikulua  

  In this work a high sensitivity optical fiber humidity sensor (OFHS) is presented. The configuration chosen for this purpose is a cladding-etched single mode optical fiber (CE-SMF) coated with a thin film of tin oxide ...

• Fabrication of Bragg gratings on the end facet of standard optical fibers by sputtering the same material 

  Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; del Villar, Ignacio ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio  (IEEE, 2016)   Artículo / Artikulua  

  A sputtering process has been applied to deposit quarter-wavelength stacks on the end facet of cleaved optical fibers by using only one sputtering target. Standard multimode optical fibers were used as substrates to fabricate ...

• Technical and environmental characterization of hydraulic and alkaline binders 

  Espuelas Zuazu, Sandra; Echeverría, Angel María; Marcelino Sádaba, Sara; Prieto Cobo, Eduardo; Seco Meneses, Andrés (Elsevier, 2018)   Artículo / Artikulua

  Portland cement is a widely used binder in construction and building applications because of its good properties. Despite its convenience as construction material, the social demands and policies trends are requesting a ...

• Adaptive voltage control of the DC/DC boost stage in PV converters with small input capacitor 

  Urtasun Erburu, Andoni ; Sanchís Gúrpide, Pablo ; Marroyo Palomo, Luis  (IEEE, 2013)   Artículo / Artikulua  

  In the case of photovoltaic (PV) systems, an adequate PV voltage regulation is fundamental in order to both maximize and limit the power. For this purpose, a large input capacitor has traditionally been used. However, when ...

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