Programa de Doctorat en Enginyeria Electrònica: Recent submissions
Now showing items 61-80 of 210
Optimization of a CSI inverter and DC/DC elevator with silicon carbide devices, for applications in electric traction systems
The applications of electric traction systems currently focus on developing technologies with greater energy efficiency and lower environmental impact. Manufacturers of hybrid and electric vehicles are looking for ways to ...
Contribucions a l'optimització dels sistemes de test i caracterització de drivers electrònics per diodes láser : mètode de modelatge de la resposta òptica en temperatura dels diodes làser i programació en entorn Pspice
La recerca duta a terme en aquesta tesi doctoral ha tingut com a principal objectiu millorar els sistemes de test i de caracterització de la resposta òptica dels díodes làser. La recerca s'ha orientat en l'estudi de la ...
Interdigitated back contacts solar cell based on thin crystalline silicon substrates
This thesis contributes to the fabrication technology of c-Si solar cells on thin substrates based on Interdigitated Back-Contacted (IBC) structures. The potential of this structure to obtain high efficiencies is well-known. ...
Control of grid-connected three-phase three-wire voltage-sourced inverters under voltage disturbances
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 ...
Planificación óptima de redes eléctricas en baja y media tensión y microrredes eléctricas inteligentes mediante algoritmos linealizados de optimización multicriterio
In this work, a new algorithm for the multiobjective optimization of low and medium voltage electrical grids and microgrids is proposed. The originally nonlinear planning model is linearized using the economic current ...
Una contribución a la evaluación de la adherencia a hábitos de vida saludables basado en aplicaciones móviles
The adherence to a healthy lifestyle plays a key role for increasing life expectancy and living better. The main habits of healthy lifestyle are: physical activity, diet and sleep quality. Nowadays, many people use a ...
Full time-domain electromagnetic interference measurements and applications
This thesis presents a technology that has been called the Full Time-Domain Electromagnetic Interference measurement systems and its applications. Full TDEMI measurement systems are an implementation of an FFT-based receiver ...
On-chip adaptive power management for WPT-Enabled IoT
Internet of Things (IoT), as broadband network connecting every physical objects, is becoming more widely available in various industrial, medical, home and automotive applications. In such network, the physical devices, ...
Dynamic modelling and control schemes for current-source resonant converters
This thesis focuses on the control methods applied to current source resonant converters, especially in two different applications of switching power supplies and wire-less power transfer systems. In fact, the existing ...
Design of broadband inductor-less RF front-ends with high dynamic range for G.hn
System-on-Chip (SoC) was adopted in recent years as one of the solutions to reduce the cost of integrated systems. When the SoC solution started to be used, the final product was actually more expensive due to lower yield. ...
Inductive contactless energy transfer systems for residential areas
In recent years, contactless energy transfer systems have been developed and investigated widely. As evident, the transfer energy is performed without physical connection. This technology is classified according to power ...
Identification and control of diffusive systems applied to charge trapping and thermal space sensors
The work underlying this Thesis, has contributed to the main study and characterization of diffusive systems. The research work has been focused on the analysis of two kind of systems. On the one hand, the dynamics of ...
Fixed-switching frequency sliding mode control applied to power converters
The application of the sliding mode control in power converters has a well-known inconvenient from the practical point of view, which is to obtain fixed switching frequency implementations. This thesis deals with the ...
Determination of the state of health of Li-ion batteries : the irreversible entropy production approach
In recent years, portable applications have experienced an exponential growth and consequently, the demand of batteries has increased accordingly. It is widely known, though, that the performance of batteries decreases ...
Characterization of alternative carrier selective materials and their application to heterojunction solar cells
Crystalline silicon (c-Si) solar cells can be considered a highly industrialized and mature product with a record conversion efficiency of 26.6%, not far from the practical limit of 29.4% (for single p/n junction devices). ...
Diseño del sistema de navegación en inmersión del vehículo Guanay II para aplicaciones de detección y seguimiento de vertidos de hidrocarburos en zonas costeras
The study of the seas is a field of science that is in constant development. At the technological level, in recent years, important advances have been made in the design of platforms and measurement systems for oceanographic ...
Automatic supervision of Pv systems and degradation analysis of thin film PV modules
Monitoring and regular performance analysis of Grid-Connected Photovoltaic (GCPV) systems are of primal importance in order to ensure an optimal energy harvesting and reliable power production at competitive costs. Main ...
Contributions to industrial process condition forecasting applied to copper rod manufacturing process
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 ...
Arquitectura escalable SIMD con conectividad jerárquica y reconfigurable para la emulación de SNN
A biological neural system consists of millions of highly integrated neurons with multiple dynamic functions operating in coordination with each other. Its structural organization is characterized by highly hierarchical ...
Self-healing and secure low-power memory systems
The main objective of this thesis is to bring new contributions to the self-healing and secure systems domain. In particular, to develop a self-healing technique for memory systems and to increase security of memory systems, ...
