Programa de Doctorat en Enginyeria Electrònica: Enviaments recents
Ara mostrant els elements 121-140 de 208
Radiated transient interferences in digital communication systems
In the Electromagnetic Compatibility research area, an unsolved interference problem is the measurement and evaluation of the distortion produced by radiated transient disturbances on digital communication systems. This ...
Contribución al estudio de las interferencias electromagnéticas conducidas en circuitos integrados
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 ...
Voltage-source-inverters with legs connected in parallel
The number of applications that require the use of power converters has been continually increasing in the last years on account of environmental and economical concerns. The power to be processed by these converters has ...
Elininación de perturbaciones de baja frecuencia en redes eléctricas mediante compensadores estáticos
The increasing use of DC electronic devices connected to mains lead to numerous complications of harmonic distortion and efficiency reduction in electrical energy transmission. These devices behave as a marked non linear ...
Efficient multiprocessing architectures for spiking neural network emulation based on configurable devices
The exploration of the dynamics of bioinspired neural networks has allowed neuroscientists to understand some clues and structures of the brain. Electronic neural network implementations are useful tools for this exploration. ...
Disseny òptim d'amplificadors d'audio commutats DCI-NPC d'alta potència i qualitat
Class-D Amplification has been an absolute improvement in terms of electrical efficiency in audio amplification systems, but it has been during the first stabilization decade of this technology in the market when manufacturers ...
Selective thermal emitters based on photonic crystals
Un dels límits fonamentals que afecta l'eficiència de conversió en cèl·lules fotovoltaiques és la distribució espectral de la radiació solar. D'una banda, només els fotons amb energia superior al gap del semiconductor poden ...
Regular cell design approach considering lithography-induced process variations
The deployment delays for EUVL, forces IC design to continue using 193nm wavelength lithography with innovative and costly techniques in order to faithfully print sub-wavelength features and combat lithography induced ...
Sistemas inalámbricos para la monitorización continua del comportamiento de especies marinas
In this Thesis, new methods for monitoring marine species using optical, radio frequency and acoustic technologies have been proposed and evaluated for biological studies in the laboratory and open sea. A study of the ...
Fault tolerant vector control of five-phase permanent magnet motors
Equipped with appropriate control strategies, permanent magnet (PM) machines are becoming one of the most flexible types of actuators for many industrial applications. Among different types of PM machines, five-phase BLDC ...
Proposal and development of a highly modular and scalable self-adaptive hardware architecture with parallel processing capability
This dissertation describes a novel unconventional self-adaptive hardware architecture with capacity for parallel processing. For scalability issues, this bioinspired architecture is based on a regular array of homogeneous ...
Fault diagnosis and fault tolerant control of multiphase voltage source converters for application in traction drives
There is an increasing demand for vehicles with less environmental impact and higher fuel efficiency. To meet these requirements, the transportation electrification has been introduced in both academia and industry during ...
Desarrollo de un sistema de medida ultrasónico para monitorizar el proceso de fermentación maloláctica del vino tinto en un ambiente industrial
This work is a contribution to a measuring system based on ultrasonic techniques to analyse and monitor, in real time, malolactic fermentation (MLF) in red wine, both at industrial and semi-industrial level. In the wine ...
Variability and reliability analysis of carbon nanotube technology in the presence of manufacturing imperfections
In 1925, Lilienfeld patented the basic principle of field effect transistor (FET). Thirty-four years later, Kahng and Atalla invented the MOSFET. Since that time, it has become the most widely used type of transistor in ...
Opportunities for radio frequency nanoelectronic integrated circuits using carbon-based technologies
This thesis presents a body of work on the modeling of and performance predictions for carbon nanotube field-effect transistors (CNFET) and graphene field-effect transistors (GFET). While conventional silicon-based CMOS ...
Variability-aware architectures based on hardware redundancy for nanoscale reliable computation
During the last decades, human beings have experienced a significant enhancement in the quality of life thanks in large part to the fast evolution of Integrated Circuits (IC). This unprecedented technological race, along ...
Design and analysis of a novel multilevel active-clamped power-converter
Multilevel converter technology has been receiving increasing attention during the last years due to its important advantages compared to conventional two-level conversion. Multilevel converters reduce the voltage across ...
An energy management strategy for plug-in hybrid electric vehicles
This dissertation formulates a proposal for a real time implementable energy management strategy (EMS) for plug-in hybrid electric vehicles. The EMS is developed to minimize vehicle fuel consumption through the utilisation ...
Broadband electrical impedance spectroscopy for dynamic electrical bio-impedance characterization
The electrical impedance of biological samples is known in the literature as Electrical Bioimpedance (EBI). The Electrical Bioimpedance enables to characterize physiological conditions and events that are interesting for ...
Modulation strategies for the neutral-point-clamped converter and control of a wind turbine system
Els convertidors multinivell són topologies de convertidors d’electrònica de potència que poden generar tres o més nivells de voltatge en cadascuna de les fases de sortida. Com a resultat, els voltatges i corrents generats ...
