Contribución al estudio de las interferencias electromagnéticas conducidas en circuitos integrados 

    Berbel Artal, Néstor (Fecha de defensa: 2015-04-28)

    This thesis is focused on the conducted electromagnetic Interference generated at Integrated Circuit (IC) Level. Recently, several electrical models have been proposed in order to describe EMI at IC level, but they have ...

    Contribución al estudio de los micropotenciales cardíacos 

    Vargas Drechsler, Manuel (Fecha de defensa: 1996-10-15)

    El objetivo principal de la tesis es el análisis y la reducción del ruido en la electrocardiografía de alta resolución con el propósito de mejorar la detección de los potenciales ventriculares tardíos. La hipótesis es que ...

    Contribution to advanced hot wire wind sensing 

    Kowalski, Lukasz (Fecha de defensa: 2016-01-22)

    The thermal anemometry is a method which allows to estimate wind magnitude be the mean of measuring heat transfer to the ambient in a forced convection process. For Earth's atmosphere condition, this method is typically ...

    Contribution to liquid lens technology 

    Ahmadi Zeidabadi, Maziar (Fecha de defensa: 2016-07-20)

    The interest on microfluidic systems based on electrowetting-on-dielectric (EWOD) and the miniaturization of such integrated devices, has increased significantly mainly due to the advent of mass market applications such ...

    Contribution to the architecture and implementation of Bi-NoC routers for multi-synchronous GALS systems 

    Kamal, Rajeev (Fecha de defensa: 2017-09-22)

    Networks-on-Chip (NoC) is an emerging on-chip interconnection centric platform that influences the modern high speed communication infrastructure to improve on-chip communication challenges in the recent many core ...

    Contribution to the model and navigation control of an autonomous underwater vehicle 

    González Agudelo, Julián (Fecha de defensa: 2015-07-31)

    This thesis deals with the further development of an existing underwater vehicle for autonomous navigation. The vehicle was conceived to navigate over the sea surface and, at certain fixed points, to dive vertically in ...

    A contribution to unobtrusive measurement methods for sleep monitoring based on magnetic induction technique 

    Mahdavi, Hadiseh (Fecha de defensa: 2017-06-30)

    Sleep monitoring is of major importance for various medical areas such as the detection and treatment of sleep disorders, assessment of different medical conditions or medications' effects over sleep quality, and mortality ...

    A contribution to unobtrusive video-based measurement of respiratory signals 

    Mateu Mateus, Marc (Fecha de defensa: 2020-12-01)

    Due to the growing popularity of video-based methods for physiological signal measurement, and taking into account the technological advancements of these type of devices, this work proposes a series of new novel methods ...

    Contributions to electromechanical systems diagnosis by means data fusion techniques 

    Delgado Prieto, Miguel (Fecha de defensa: 2012-10-26)

    Electromechanical drives have traditionally found their field of application in the industrial sector. However, the use of such systems is spreading to other sectors within the field of transport, such as the automotive ...

    Contributions to industrial process condition forecasting applied to copper rod manufacturing process 

    Zurita Millán, Daniel (Fecha de defensa: 2017-09-08)

    Ensuring reliability and robustness of operation is one of the main concerns in industrial anufacturing processes , dueto the ever-increasing demand for improvements over the cost and quality ofthe processes outcome. In ...

    Contributions to the design and operation of a multilevel-active-clamped Dc-Ac grid- connected power converter for wind energy conversion systems 

    Caballero Diaz, Luis (Fecha de defensa: 2017-06-16)

    The demand of wind energy has considerably increased during the last decades. In order to fulfil this great energy demand, wind energy conversion systems (WECS) are designed to manage higher power ratings. Currently, the ...

    Contributions to the design of energy harvesting systems for autonomous sensors in low power marine applications 

    Carandell Widmer, Matias (Fecha de defensa: 2022-04-28)

    Oceanographic sensor platforms provide biological and meteorological data to help understand changes in marine environment and help to preserve it. Lagrangian drifters are autonomous passive floating platforms used in ...

    Contributions to the design, development and evaluation of network processors for automotive zonal gateway controllers 

    González Mariño, Ángela (Fecha de defensa: 2023-10-27)

    (English) This PhD dissertation analyzes the evolution of vehicular networks and focuses on the main network processing platform integrated in them: the Gateway (GW). First, a thorough analysis of state of the art technologies ...

    Contributions to the energy management of industrial refrigeration systems: a data-driven perspective 

    Cirera Balcells, Josep (Fecha de defensa: 2020-09-18)

    Nowadays, energy management has gained attention due to the constant increment of energy consumption in industry and the pollution problems that this fact supposes. On this subject, one of the main industrial sectors, the ...

    Contributions to the measurement of electrical impedance for living tissue ischemia injury monitoring 

    Ivorra Cano, Antoni (Fecha de defensa: 2005-02-28)

    Aquesta tesi es centra en el desenvolupament i l'ús d'una sonda miniaturitzada de silici per a la mesura de la impedància elèctrica de teixits vius tous. El propòsit d'aquestes mesures d'impedància és la monitorització ...

    Contributions to the modulation and closed-loop control of multilevel dual-active-bridge Dc-Dc converters 

    Filbà Martínez, Àlber (Fecha de defensa: 2017-07-21)

    Galvanically-isolated bidirectional dc-dc converters (IBDCs) have recently received more attention due to its increasing use in systems requiring energy transfer between two dc networks in both directions, requiring galvanic ...

    Control and modulation of modular multilevel converters 

    Picas Prat, Ricard (Fecha de defensa: 2016-12-22)

    The integration of renewable energy sources in the electrical grid is reducing our dependence on fossil fuels. However, to ensure feasibility and reliability of distributed energy generation, more efficient and higher power ...

    Control de convertidores trifásicos mediante imposición de dinámica y estimadores 

    Guzmán Solà, Ramon (Fecha de defensa: 2016-10-14)

    The present thesis is focused on the control of three-phase power converters using sliding-mode control (SMC) in abc frame. This work has been based on previous publications about the SMC applied to three-phase power ...

    Control en modo deslizante aplicado a la generación de señal en convertidores conmutados DC/DC 

    Biel Solé, Domingo (Fecha de defensa: 1999-09-14)

    Tradicionalmente, el diseño de sistemas de control en convertidores conmutados DC/DC se ha realizado mediante técnica de modulación de anchura de pulsos (PWM); sin embargo, la utilización de la teoría de sistemas de ...

    Control of grid-connected three-phase three-wire voltage-sourced inverters under voltage disturbances 

    Garnica López, Miguel Andrés (Fecha de defensa: 2019-01-11)

    The present doctoral thesis focuses on designing control schemes for three-phase three-wire voltage-sourced inverters connected to the grid under voltage disturbances. The research recognizes the large-scale integration ...