Now showing items 21-40 of 212
Valle Fraga, Juan José (Date of defense: 2022-04-06)
Today, the most common form of mass-production semiconductor device fabrication is Complementary Metal-Oxide Semiconductor (CMOS) technology. The dedicated Integrated Circuit (IC) interfaces of commercial sensors are ...
Ripoll Vercellone, Edgar (Date of defense: 2022-04-01)
The Internet of Things is a trending topic these days. However, energy is often the major job stopper for broad adoption of this technology, which have three tight constraints: extremely cost oriented, long service life ...
Carandell Widmer, Matias (Date of defense: 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 ...
López Palma, Manuel (Date of defense: 2020-10-23)
In this work, a new method is presented to quantify the attention paid by people to the different objects in their environment. The new metric models the eye to determine the attention given and quantifies that attention ...
Cardador Maza, David (Date of defense: 2019-12-19)
Gas detection is of great importance in areas as diverse as industry, health or safety in domestic environments or public spaces, among others, and it is highly specific to each application. The detection method depends ...
Michalski, Tomasz Dobromir (Date of defense: 2021-10-18)
In the last decades, the development trends of high efficiency and compact electric drives on the motor side focused on Permanent Magnet Synchronous Machines (PMSMs) equipped with magnets based on the rare-earth elements. ...
Yoosefi, Oraman (Date of defense: 2021-07-07)
In this thesis, design and simulation of optical logic gases based on different photonics crystals presented to used in the electronics and telecommunication industries. Optical devices perform faster with higher efficiencies ...
Martínez Padró, Enoc (Date of defense: 2021-07-09)
There has always been background sound in the oceans due to natural factors. However, since the first hydrophone deployments at mid-20th century, measured ocean sound levels have been steadily rising due to an increment ...
Galindo Guarch, Francisco Javier (Date of defense: 2021-07-01)
In Particle Accelerators, the Low-Level RF (LLRF) is the control system of the RF, and in the end, of the purpose of the machine, that is the energy transfer and acceleration of particles. It implements algorithms synchronizing ...
Aymerich Gubern, Joan (Date of defense: 2021-03-18)
Electrochemical sensors are expanding rapidly over other chemical sensoring technologies because of their potential to generate precise, selective, miniaturized and cost-effective analytical devices. These features satisfy ...
Sánchez Chiva, Josep Maria (Date of defense: 2020-03-05)
In the last decades, sensing capabilities of martphones have greatly improved since the early mobile phones of the 90’s. Moreover, wearables and the automotive industry require increasing electronics and sensing sophistication. ...
Mateu Mateus, Marc (Date of defense: 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 ...
Cirera Balcells, Josep (Date of defense: 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 ...
Paredes Camacho, Alejandro (Date of defense: 2020-07-17)
The trend in the development of power converters is focused on efficient systems with high power density, reliability and low cost. The challenges to cover the new power converters requirements are mainly concentered on ...
Escudero López, Manuel (Date of defense: 2020-05-22)
In the last decades, semiconductor industry has fostered a fast downscale in technology, propelling the large scale integration of CMOS-based systems. The benefits in miniaturization are numerous, highlighting faster ...
Soler, Victor (Date of defense: 2019-11-26)
A sustainable future requires efficient power electronic converters at any stage of the electrical energy consumption. Silicon carbide (SiC) is one of the most technologically advanced wide bandgap semiconductors that can ...
Masmitjà i Rusinyol, Ivan (Date of defense: 2020-01-21)
Marine ecological research related to the increasing importance which the fisheries sector has reached so far, new methods and tools to study the biological components of our oceans are needed. The capacity to measure ...
Sala Cardoso, Enric (Date of defense: 2019-12-16)
The efficacy of the energy management systems at dealing with energy consumption in buildings has been a topic with a growing interest in recent years due to the ever-increasing global energy demand and the large percentage ...
Cortez, Ernest (Date of defense: 2019-12-11)
Currently, the interest for helping mitigate the emission of greenhouse gases caused by high fuel consumption in industrial vehicles has increased. In order to the reduction of fuel consumption in an industrial vehicle, ...
Cabello Fusarés, Maria (Date of defense: 2019-12-02)
Although silicon (Si) is used in most current commercial power semiconductor components, Si capabilities are insufficient for new energy conversion requirements. Some of its important limitations are related with power ...