Universitat Politècnica de Catalunya: Envíos recientes
Mostrando ítems 241-260 de 5599
Analysis of thin-film solidly mounted resonators for applications in harsh environments
(English) The sensing industry is constantly growing due to its demand in fields that require critical and essential information (data environment) for human safeness and quality of life. In recent years, designers, ...
Micromechanics of quaternary AICrSiN coatings on hard substrates
(English) AlCrSiN quaternary coatings are extensively utilized in the tool industry due to their outstanding mechanical performance as protective coatings. These coatings are formed by introducing elements of Al and Si to ...
Contributions to multi-purpose GNSS positioning to support multi-frequency and multi-constellation with high accuracy and integrity
(English) Global Navigation Satellite System (GNSS) have revolutionized location and timing technologies due to their low cost and wide availability. Initially, GNSS was limited to the american Global Positioning System ...
Deep learning for spatio-temporal forecasting: benchmarks, methods, and insights from mobility and weather predictions
(English) This thesis explores the intersection of deep learning and spatio-temporal forecasting, focusing on the challenges and opportunities present in applying machine learning methods to predict complex geospatial and ...
Contributions to the design, development and evaluation of network processors for automotive zonal gateway controllers
(English) This PhD dissertation analyzes the evolution of vehicular networks and focuses on the main network processing platform integrated in them: the Gateway (GW). First, a thorough analysis of state of the art technologies ...
Understanding size-resolved dust emission from field measurements in Morocco
(English) Atmospheric mineral dust is composed of a variety of mineral particles exhibiting distinct composition, shape, and size. The wide range of diameters exhibited by dust particles, spanning more than three orders ...
Development of dynamic textiles based on shape memory polyurethane (SMPU) for applications in car seat upholstery
(English) In recent years, numerous studies have been carried out on functional textiles due to their ability to adapt and interact with the environment. In particular, special focus has been placed on dynamic textiles ...
Coercion-resistant cast-as-intended verifiability in electronic voting systems
(English) One of the most common fears regarding electronic voting is that a voting device will disregard the voter's intent and cast a different vote instead. An undetectable attack like that on a large scale will allow ...
Knowledge graph population from news streams
(English) Media producers publish large amounts of multimedia content online - both text, audio, image and video. As the online media market grows, the management and delivery of contents becomes a challenge. Semantic ...
Partial oxidation of methane into syngas at low temperature
(English) Syngas (a mixture of H2 and CO) is a versatile feedstock that can be used to produce a wide range of chemicals and fuels. For that reason, there is a great interest to optimize and explore new routes for its ...
Dos crecimientos en una ciudad. Dos ciudades en crecimiento
(English) After more than a century of existence, a district considered marginal in my city is tragically disappearing without a trace. This inspired me to examine its development and destruction. Busan, the first industrial ...
Deep learning based methodologies applied to industrial electromechanical systems monitoring
(English) In recent years, there has been significant attention from both the academic and industry sectors towards condition-based maintenance of rotating systems. This attention stems from the high relevance of these ...
On hybrid positioning using non-semantic image information
(English) Hybrid or multi-sensor-based positioning has been a research topic actively investigated in the last decade. In this context, the possibility of using information extracted from imaging sensors, for positioning, ...
Application of the vibration-assisted ball burnishing process on rotational symmetric parts to improve their fatigue strength and wear properties
(English) This thesis is an experimental investigation into the beneficial effects of the ultrasonic vibration-assisted ball burnishing process on the wear resistance and fatigue life-cycle enhancement of rotational symmetric ...
Structural behaviour and plastic design of carbon and stainless steel frames in fire
(English) This thesis investigates the response of carbon and stainless steel frames in fire, and proposes new and more efficient approaches for their design. The investigation is mainly focused on one bay frames comprised ...
Advanced hardware prefetching in virtual memory systems
(English) Despite groundbreaking technological innovations, the disparity between processor and memory speeds (known as Memory Wall) is still a major performance obstacle for modern systems. Hardware prefetching is a ...
Safety and adaptation in physical interaction control for robotic applications
(English) Although robotic platforms have been used for a wide range of purposes, recent advances in robot autonomy raise the opportunity of bringing them closer to humans. This implies that, under any circumstance, robots ...
Crutch gait patterns characterization through spatial and temporal parameters
(English) Crutches are widely used as assistive walking devices for a diverse population. They are often prescribed by clinicians/therapists to help offload the lower extremities for individuals with impairments. They can ...
Light absorption and ergodicity in systems that transform light into other forms of energy
(English) To mitigate the present environmental crisis, caused by the excessive use of fossil fuels and associated release of carbon dioxide into the atmosphere, it is necessary to significantly reduce worldwide energy ...
Activación alcalina de residuos urbanos e industriales para la construcción de piezas prefabricadas
(English) A comprehensive evaluation of various industrial and urban by-products was conducted to determine their potential as precursors for alkali-activated materials (AAM) in Spain. Over 15 by-products were identified ...
