Universitat Politècnica de Catalunya: Recent submissions
Now showing items 641-660 of 6070
Multi-agent graph learning-based optimization and its applications to computer networks
Bernárdez Gil, Guillermo (Date of defense: 2024-03-15)
(English) In the wake of a digital revolution, contemporary society finds itself entrenched in an era where network applications' demands surpass the capabilities of conventional network management solutions. This dissertation ...
Smart and efficient sensor networks operation for 5G and beyond ecosystems
El Sayed, Ahmad Mohammad (Date of defense: 2024-01-30)
(English) Sensor Networks (SN) will play an integral role in Beyond 5G (B5G) ecosystems, especially for highly-distributed use cases and services such as Digital Twins (DT). Thus, the underlying transport network needs to ...
Design optimization of dual active bridge converter
Capó Lliteras, Macià (Date of defense: 2024-01-23)
(English) The proliferation of batteries for local storage and electric vehicles (EVs) is rising steadily. The EV market’s prospects point to exponential growth in the coming years. This trend has also contributed to the ...
Preparation and characterisation of bimetallic catalysts for the steam reforming of methane
Braga, Andrea (Date of defense: 2024-01-25)
(English) Heterogeneous catalysis is one of the most important chemical technologies available today to produce most chemicals at the basis of industrial production. The transition to a greener energy production demands ...
Influence of axial compression ratio in building columns
Villar Salinas, Sergio (Date of defense: 2023-12-15)
(English) Axial forces in columns of moment-resisting frames (MRF) have a paramount role for the seismic performance of these structural systems. Nonetheless, there are significant gaps in the literature entailing the ...
Process understanding of induced seismicity during stimulation of enhanced geothermal systems
Vaezi Anzeha, Iman (Date of defense: 2023-12-21)
(English) This doctoral thesis investigates the causes that induce (micro)seismicity as a result of hydraulic stimulation in fractured low-permeability rock. Understanding such phenomenon is of paramount importance to ...
Understanding and mitigating the post-injection seismicity induced by fluid injection in enhanced geothermal systems
Boyet, Auregan (Date of defense: 2024-01-31)
(English) Induced seismicity due to hydraulic stimulation and circulation is a hurdle for the development of Enhanced Geothermal Systems (EGS). The monitored seismicity has occasionally reached magnitudes large enough to ...
Assessment and characterization of subsidence in the Catalan potash basin
Sidki Rius, Nor (Date of defense: 2023-12-13)
(English) The importance of potash is inevitable to life on the planet earth as it is required by living mechanisms including plants, animals and human beings. In Europe, this vital ore is produced mainly by Germany and ...
MIPing complex multi-action management planning: models, algorithms, and variants
Salgado Rojas, José (Date of defense: 2023-12-20)
(English) We are living in an era where the complexity of environmental challenges is unprecedented. Biodiversity loss, habitat degradation, and climate change are interconnected issues requiring a comprehensive and ...
A double full-stack architecture for multi-core quantum computers
Rodrigo Muñoz, Santiago (Date of defense: 2023-12-18)
(English) Despite its tremendous potential, it is still unclear how quantum computing will scale to satisfy the requirements of its most powerful applications. Continued progress in the fabrication and control of qubits ...
Las transiciones agroecológicas justas en los sistemas agroalimentarios: analizando el género y los conocimientos tradicionales
Ramírez Santos, Ana Gladys (Date of defense: 2023-12-13)
(English) This doctoral research develops the issue of just agroecological transitions in the food system and develops two case studies in the Global North and Global South. Based on the framework developed to analyze ...
Comunicación corporativa y su influencia en la generación de capital social empresarial
Sánchez Arrieta, Natalia de Fátima (Date of defense: 2023-12-18)
(English) Organisations use communication in the process of managing their commercial, institutional or social responsibility activities to form and maintain relationships with different audiences. Beyond being a way to ...
Clustering large dimensional data via second order statistics: applications in wireless communications
Pereira, Roberto Matheus Pinheiro (Date of defense: 2023-12-19)
(English) In many modern signal processing applications, traditional machine learning and pattern recognition methods heavily rely on the having a sufficiently large amount of data samples to correctly estimate the underlying ...
Simulation of two-fluid immiscible Stokes flows using hybrid nonconforming methods and geometrically unfitted meshes
Piccardo, Stefano (Date of defense: 2023-12-04)
(English) We consider two-fluid problems involving immiscible Stokes fluids in contact and with surface tension at their interface. We develop, analyze, and compare two approaches for space discretization, the Hybrid ...
Vibrations and energy transfer in molecules enhanced by single nanoantennas
Ockova, Jana (Date of defense: 2023-12-13)
(English) Light is a powerful non invasive tool for probing matter down to its fundamental molecular properties. The past three decades saw advent of metallic nanoantennas engineered to concentrate light into sub diffraction ...
Impacte ambiental de la valorització d’un residu industrial aviari per a l’obtenció de materials compòsits
Molins Duran, Gemma (Date of defense: 2023-12-18)
(English) Chicken meat production has increased in recent years and is expected to continue growing, which also increases the generation of waste from the poultry industry. Chicken feathers (PlP) are one of these wastes ...
Evaluation of nutrient recovery from urban wastewater for sustainable fertilizer production
Mayor Pillado, Álvaro (Date of defense: 2023-12-15)
(English) The 20th-century introduction of the Haber-Bosch nitrogen fixation process significantly disrupted the nitrogen cycle in ecosystems, contributing to environmental issues and nutrient loss. The heavy reliance on ...
Promoting cardiac regeneration by biomimetic microenvironments
Martínez Hernández, Marina (Date of defense: 2023-12-20)
(English) Cardiovascular diseases are the most common cause of death in the world. The heart has a very limited regeneration capacity. Thus, following tissue damage – e.g., myocardial infarction –, heart transplantation ...
Caracterització multiescala de dades fisiològiques en la cardiologia translacional
Marimon Serra, Xavier (Date of defense: 2023-12-22)
(English) This thesis aims to explore cardiac cell physiology across various scales, also known as translational cardiology. The research employs novel computational techniques from Biomedical engineering and utilizes ...
Investigación en nuevas técnicas de microencapsulación biodegradables de fragancias para el sector de detergencia que eviten la liberación de microplásticos al medio ambiente
López Hernández, Arianne (Date of defense: 2023-12-20)
(English) Getting to give added value in the different products that are nowadays in the market has not been easy. Since many years ago we have worked on the addition of fragrances in different articles. This added value ...

