Recent Submissions

Innovative bulk and interfaces management on Q-1D Sb2Se3 based solar cells 

Jiménez Guerra, Maykel (Date of defense: 2025-01-24)

(English) This thesis investigated antimony Q-1D (Sb)-based solar cells as a promising alternative for sustainable energy generation, addressing critical challenges related to material properties, interfaces, and device ...

Designing deep learning accelerators in the limits of energy efficiency 

Fornt Mas, Jordi (Date of defense: 2025-09-18)

(English) Deep Neural Network (DNN) models form the backbone of today’s Artificial Intelligence (AI) systems. Their large size and high computational cost have resulted in specialized hardware accelerators being essential ...

Towards generalisable fault detection in smart buildings: hybrid modelling, calibration, and transfer learning strategies 

Martínez Viol, Víctor (Date of defense: 2025-07-18)

(English) The building sector represents a significant portion of global energy consumption, accounting for over one-third of the total energy used worldwide. Within this sector, Heating, Ventilation, and Air Conditioning ...

Design and implementation of low-interference, high efficiency, power electronic-based power system for PV applications 

Hamed, Moradmand Jazi (Date of defense: 2025-05-15)

(English) Nowadays, high step-up converters with fast-dynamic response are demanded for many applications such as uninterruptible power supplies which are used to feed sensitive loads and DC-DC converters in grid connected ...

Design and prototyping of BEOL-embedded CMOS-MEMS accelerometers 

Michalik, Piotr (Date of defense: 2015-12-11)

(English) In the last two decades, MicroElectroMechanical Systems (MEMS) accelerometers and other inertial sensors have demonstrated a steady trend of miniaturization as well as price and power consumption reduction, while ...

Advanced characterization and modelling of innovative low-dimensional materials for solar cells applications 

Gon Medaille, Axel (Date of defense: 2024-12-20)

(English) Energy transition keeps its course while new materials keep emerging promising better impact on environment. Among those materials, Q-1D chalco-halides materials using Bi and Sb, S, Se and I, Br, giving rise to ...

Highly scalable hardware architecture for real-time execution of spiking neural networks applied to neural cognitive applications 

Vallejo Mancero, Bernardo Javier (Date of defense: 2024-11-11)

(English) This thesis contributes to the field of neuromorphic hardware. In particular, to the significant improvement of a scalable hardware architecture, named Hardware Emulator of Evolvable Neural Spiking Systems (HEENS), ...

Design and implementation of high-level multilevel inverters: focusing on 15-level, 25-level, and 33-level topologies with asymmetrical configuration and optimal component choices 

Bandahalli Mallappa, Prasad Kumar (Date of defense: 2024-11-21)

(English) The primary goal of this thesis is to establish multilevel inverter (MLI) topologies for industrial settings. Because of its numerous benefits, including low power dissipation on power supplies and low harmonic ...

Estrategias de control de potencia en inversores de generación distribuida ante un fallo desbalanceado de la red eléctrica 

Iñiguez Amigot, José Ignacio (Date of defense: 2024-07-23)

(English) This PhD thesis examines various reactive current injection techniques and strategies to address the challenges associated with power grid management during abnormal conditions. The aim is to offer new perspectives ...

Design and analysis of battery chargers for electric vehicles based on multilevel neutral-point-clamped technology 

Campos Salazar, José Manuel (Date of defense: 2024-07-23)

(English) This thesis presents an exploration into the field of advanced battery charger design and control, addressing critical needs across a spectrum of modern applications. It first outlines the increasing importance ...

Bringing self-awareness to the extreme edge: a distributed approach for adaptive energy management in WSNs applied to structural health monitoring 

Arnaiz Martínez, David Mariano (Date of defense: 2024-07-02)

(English) In today's landscape, data are increasingly becoming an invaluable resource to enhance decision-making, enable predictive insights, improving operational efficiency, among numerous other applications. Within the ...

Use of nanoparticles for energy and sensing applications 

Cedeño Mata, Kristel Michelle (Date of defense: 2024-06-17)

(English) In this work, different nano, sub-micron, and microparticle materials have been embedded in various types of electrolytes, including ionic liquid gel polymer electrolytes (ILGPEs) and sodium chloride (NaCl), ...

New synthesis methodologies to develop emerging chalcogenides and chalcohalides for photovoltaic applications 

Caño Prades, Ivan (Date of defense: 2024-10-09)

(English) Chalcogenide materials have been central to some of the most significant events in the history of photovoltaic energy, including the fabrication of the first solar cell in 1883 by Charles Fritts, which was based ...

Development of silicon photonic structures for sensing and signal processing 

Segura García, Daniel (Date of defense: 2021-03-19)

(English) Silicon photonics is the opportunity that one of the most amazing materials in nature, silicon, has offered once its electronic technological possibilities are reaching its limit. The transparency of this material ...

Contributions to the characterization and design optimization of power converters based on switching-cell arrays 

Rafiezadeh, Roya (Date of defense: 2022-11-10)

(English) The search for standardization in power converter design is motivated by the potential of a significant decrease in design time, a significant decrease in converter cost, and an increase in converter performance ...

Low-power high-channel-count CMOS ROICs for multiplexed arrays of graphene transistors in large-area µECoG 

Cisneros Fernández, Jose Agustín (Date of defense: 2022-07-07)

(English) There is an increasing interest on the development of neural interfaces able to decipher the neural activity across multiple regions of the brain. The ultimate goal is understanding how the underlying brain ...

Harnessing memristor circuits and device variability in emergent computing applications 

Ntinas, Vasileios (Date of defense: 2022-04-04)

(English) Nowadays, due to the increasing amount of information and its demanding processing, conventional CMOS technology and von Neumann computing architecture struggle to keep pace, as they meet their respective limitations ...

Silicio macroporoso para cristales fotónicos y otras aplicaciones avanzadas 

Vega Bru, Didac (Date of defense: 2022-01-14)

(English) This thesis deals with the study of macroporous silicon structures and their application to different technological areas. Macroporous silicon is a material that was described, in the form in which it is used in ...

Advanced c-Si solar cell structures: application of laser processes and optical nanostructures 

Coll Valentí, Arnau (Date of defense: 2024-04-26)

(English) This thesis works towards efficient and cost-effective methods to improve the performance of thin silicon solar cells. Focusing on two principal objectives, the Thesis develops novel techniques to enhance the ...

Novel nanoelectronic circuits and systems 

Rallis, Konstantinos (Date of defense: 2024-05-09)

(English) Lately, in the rise of the era of 2D materials, Graphene is one of the materials that has been extensively investigated for its possible integration in computing devices and thus computing circuits. This is mainly ...