Luna Pacho, Julio Alberto (Date of defense: 2017-02-27)
Proton exchange membrane (PEM) fuel cells, which use hydrogen as fuel, provide high power densities while operating at lower temperatures, reducing the cost of materials and maintenance. PEM fuel cells ...
Atienza García, María Terersa (Date of defense: 2018-02-13)
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, ...
Aghazadeh Dafsari, Seyed Rasoul (Date of defense: 2022-05-03)
Antenna array systems have a broad range of applications in radio frequency (RF) and ultra-wideband (UWB) communications to receive/transmit electromagnetic waves from/to the sky. They can enhance the ...
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 ...
Repecho del Corral, Víctor (Date of defense: 2018-02-21)
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 ...
Garnica López, Miguel Andrés (Date of defense: 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 ...
Valero Pérez, Mario Miguel (Date of defense: 2019-10-30)
Forest fires are natural phenomena essential for ecosystem balance. However, their impact on society is increasing. Emergency managers are facing unprecedented crises producing massive evacuations, ...
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 ...
Unnikrishnan Raveendran, Nair (Date of defense: 2020-07-23)
The rate of integration of the renewable energy sources in modern grids have significantly increased in the last decade. These intermittent, non-dispatchable renewable sources, though environment ...
Claret Robert, Josep Arnau (Date of defense: 2019-10-02)
This doctoral thesis deals with the use of the robot redundancy to execute several tasks simultaneously at different levels of priority and its application to two different robotic systems. In particular, ...