• Data augmentation techniques for machine learning applied to optical spectroscopy datasets in agrifood applications: a comprehensive review 

      Gracia Moisés, Ander; Vitoria Pascual, Ignacio Upna Orcid; Imas González, José Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      Machine learning (ML) and deep learning (DL) have achieved great success in different tasks. These include computer vision, image segmentation, natural language processing, predicting classification, evaluating time series, ...
    • Data-driven generation of synthetic wind speeds: a comparative study 

      D'Ambrosio, Daniel; Schoukens, Johan; Troyer, T. De; Zivanovic, Miroslav Upna Orcid; Runacres, Mark (Wiley, 2022)   Artículo / Artikulua  OpenAccess
      The increasing sophistication of wind turbine design and control generates a need for high-quality wind data. The relatively limited set of available measured wind data may be extended with computer generated data, for ...
    • DC capacitance reduction in photovoltaic inverters based on PV voltage feed-forward compensation 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In the case of photovoltaic (PV) inverters, an adequate input voltage regulation is fundamental to maximize or limit the power. When employing the traditional control, the input capacitance requires to be oversized in order ...
    • DC capacitance reduction in three-phase photovoltaic inverters by using virtual impedance emulation 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      DC voltage regulation in grid-connected three-phase PV inverters is a fundamental requirement. In order to reduce the influence of the PV non-linear behavior and ensure stability in the whole operating range, the input ...
    • Deadbeat voltage control for a grid-forming power converter with LCL filter 

      Samanes Pascual, Javier Upna Orcid; Rosado Galparsoro, Leyre Upna Orcid; Gubía Villabona, Eugenio Upna Orcid; López Taberna, Jesús Upna Orcid; Pérez, Marcelo A. (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      Grid-forming power converters are controlled as voltage sources to regulate the grid voltage and frequency. These converters can increase power system strength if they impose a voltage waveform resilient to grid transients. ...
    • A decomposition approach to cyclostratigraphic signal processing 

      Wouters, Sebastien; Crucifix, Michel; Sinnesael, Matthias; Silva, Anne-Christine da; Zeeden, Christian; Zivanovic, Miroslav Upna Orcid; Boulvain, Frédéric; Devleeschouwer, Xabier (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      Sedimentary rocks can record signals produced byhighly complex processes. These signals are generated by a progressive deposition of sediments which can be affected, mainly through the climate system, by regular astronomical ...
    • A deep learning image analysis method for renal perfusion estimation in pseudo-continuous arterial spin labelling MRI 

      Oyarzun Domeño, Anne; Cía Alonso, Izaskun; Echeverría Chasco, Rebeca; Fernández Seara, María A.; Martín Moreno, Paloma L.; García Fernández, Nuria; Bastarrika, Gorka; Navallas Irujo, Javier; Villanueva Larre, Arantxa Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Accurate segmentation of renal tissues is an essential step for renal perfusion estimation and postoperative assessment of the allograft. Images are usually manually labeled, which is tedious and prone to human error. We ...
    • Defining and scoping participatory health informatics - an eDelphi study 

      Denecke, Kerstin; Rivera Romero, Octavio; Petersen, Carolyn; Benham-Hutchins, Marge; Cabrer, Miguel; Davies, Shauna; Grainger, Rebecca; Hussein, Rada; López-Campos, Guillermo; Martín-Sánchez, Fernando; Mckillop, Mollie; Merolli, Mark; Miron-Shatz, Talya; Trigo Vilaseca, Jesús Daniel Upna Orcid; Wright, Graham; Wynn, Rolf; Hullin, Carol; Gabarron, Elia (Georg Thieme Verlag, 2023)   Artículo / Artikulua  OpenAccess
      Background Health care has evolved to support the involvement of individuals in decision making by, for example, using mobile apps and wearables that may help empower people to actively participate in their treatment and ...
    • Desarrollo de sensores basados en guía de onda plana y fibra óptica 

      Fuentes Lorenzo, Omar Upna (2022)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En este trabajo de tesis se muestra el estudio y diseño de varias estructuras de guías de ondas ópticas. En los primeros capítulos se trabaja sobre configuraciones ya conocidas basadas en fibras monomodo – multimodo – ...
    • Desarrollo de sensores multiparámetro basados en resonancias por modos con pérdidas usando guía de onda plana 

      Domínguez Rodríguez, Ismel Upna Orcid (2023)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Esta tesis se enfoca en explotar el fenómeno de resonancia por modos con pérdidas (LMR) hacia el desarrollo de aplicaciones que van más allá de la detección de un solo parámetro con una fibra óptica. Después de una ...
    • Desarrollo y análisis de modelos de detección de crypto-ransomware en base a tráfico de compartición de ficheros 

      Berrueta Irigoyen, Eduardo Upna Orcid (2022)   Tesis doctoral / Doktoretza tesia
      Hoy en día la información se ha convertido en un bien muy preciado tanto para los usuarios como para las empresas. Desde el año 2015 han cobrado importancia los ataques dirigidos a secuestrar esta información y pedir un ...
    • Design alternatives for a submm-wave Fabry-Perot cavity antenna 

      Platero Rodrigo, Naiara; Iriarte Galarregui, Juan Carlos Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper discusses different design alternatives for a high gain planar antenna at 240 GHz. The antenna is based on a Fabry-Perot configuration, where two different partial reflection surfaces (PRS) are considered: a ...
    • Design and characterization of terahertz CORPS beam forming networks 

      Biurrun Quel, Carlos Upna Orcid; Haddad, Thomas; Sievert, Benedikt; Kress, Robin; Weimann, Nils; Erni, Daniel; Rennings, Andreas; Stöhr, Andreas; Teniente Vallinas, Jorge Upna Orcid; Río Bocio, Carlos del Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      This work reviews the design and applicability of beam-forming networks based on Coherently Radiating Periodic Structures (CORPS-BFN) at Terahertz (THz) frequency bands. These versatile networks offer two operation modes: ...
    • Design and empirical validation of a Bluetooth 5 fog computing based industrial CPS architecture for intelligent industry 4.0 shipyard workshops 

      Fraga Lamas, Paula; López Iturri, Peio Upna Orcid; Celaya Echarri, Mikel Upna Orcid; Blanco Novoa, Óscar; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Varela Barbeito, José; Falcone Lanas, Francisco Javier Upna Orcid; Fernández Caramés, Tiago M. (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      Navantia, one of largest European shipbuilders, is creating a fog computing based Industrial Cyber-Physical System (ICPS) for monitoring in real-time its pipe workshops in order to track pipes and keep their traceability. ...
    • Design and empirical validation of a LoRaWAN IoT Smart Irrigation System 

      Fraga Lamas, Paula; Celaya Echarri, Mikel Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; López Iturri, Peio Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Fernández Caramés, Tiago M. (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      In some parts of the world, climate change has led to periods of drought that require managing efficiently the scarce water and energy resources. This paper proposes an IoT smart irrigation system specifically designed for ...
    • Design and experimental development of thermoelectric generators for shallow geothermal anomalies of volcanic origin 

      Catalán Ros, Leyre Upna Orcid (2020)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En el contexto energético actual, caracterizado por un incesante aumento en el consumo de energía y una gran dependencia de los combustibles fósiles, resulta imprescindible apostar por sistemas eficientes y basados en ...
    • Design and experimental validation of a LoRaWAN fog computing based architecture for IoT enabled smart campus applications 

      Fraga Lamas, Paula; Celaya Echarri, Mikel Upna Orcid; López Iturri, Peio Upna Orcid; Castedo, Luis; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Suárez Albela, Manuel; Falcone Lanas, Francisco Javier Upna Orcid; Fernández Caramés, Tiago M. (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      A smart campus is an intelligent infrastructure where smart sensors and actuators collaborate to collect information and interact with the machines, tools, and users of a university campus. As in a smart city, a smart ...
    • Design and experimental validation of an augmented reality system with wireless integration for context aware enhanced show experience in auditoriums 

      Picallo Guembe, Imanol Upna Orcid; Vidal Balea, A.; Blanco Novoa, Óscar; López Iturri, Peio Upna Orcid; Fraga Lamas, Paula; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Fernández Caramés, Tiago M.; Klaina, Hicham Upna (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      The development of multiple cultural and social related activities, such as shows related with the performing arts, conferences or presentations rely on facilities such as auditoriums, theatres and conference sites, which ...
    • Design and fabrication of novel optical fiber architectures for sensing applications 

      Imas González, José Javier Upna Orcid (2022)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Los sensores de fibra óptica han experimentado un importante progreso en los últimos años con el empleo de estructuras basadas en redes de Bragg, interferómetros o resonancias electromagnéticas, entre otras y el desarrollo ...
    • Design and implementation of a feasible model for the IoT based ubiquitous healthcare monitoring system for rural and urban areas 

      Bhuiyan, Mohammad Nuruzzaman; Billah, Md Masum; Bhuiyan, Farzana; Bhuiyan, Ashikur Rahman; Hasan, Nazmul; Rahman, Maryland Mahbubur; Miah, Md Sipon; Alibakhshikenari, Mohammad; Arpanaei, Farhad; Falcone Lanas, Francisco Javier Upna Orcid; Niu, Mingbo (IEEE, 2022)   Artículo / Artikulua  OpenAccess
      The Internet of Things (IoT) based real-time health monitoring system has contributed towards a brilliant human welfare both in urban and rural areas. Many of such solutions are not well applicable in developing countries ...

      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).
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