Universitat Politècnica de Catalunya: Envíos recientes
Mostrando ítems 11-30 de 5621
Leak detection and localization in pipeline networks using machine learning and principal component analysis
(English) This thesis presents a methodology to locate leaks in pipeline networks, with a focus on water distribution networks. Leak localization techniques using classifiers are proposed by associating the different classes ...
Development of silicon photonic structures for sensing and signal processing
(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 ...
Contribution to the manufacture of porous structures for prostheses by means of additive manufacturing extrusion processes
(English) In recent years, the use of prostheses has widely increased due to their ability to replace defective parts of the skeleton. Among artificial implants, hip joint plays a critical role in the human body since it ...
Assessment of water ecosystem services and alternative scenarios to climate change and human impact in neotropical mountains
(English) Water ecosystem services (ESw) are related to aquatic ecosystems and to the interaction with water and land in different ecosystems such as forests, agricultural lands, riparian areas, wetlands and water bodies. ...
Bio-sensing applications of electromagnetic scattering from spheroidal objects
(English) Bio-sensing technology has progressed rapidly over the past years due to their plethora of applications such as disease diagnosis, drug monitoring detection of pollutants, and disease-causing micro-organisms. ...
Structural barrier effect on cotton fabrics
(English) Cotton, being a natural hollow fiber with remarkable economic values including moisture absorption, air permeability, softness, comfort, and warmth retention, has become one of the most essential raw materials ...
La construcción del territorio de la Amazonía ecuatoriana: una mirada desde las huellas de las disputas civilizatorias
(English) This work strives to develop an interpretative reading of the process of configuration of the Amazonian territory of Ecuador, a vast territory with an enormous natural predominance and important biological and ...
Nonlocal and nonlinear effects in nanophotonics
(English) The fundamental science and technological applications of light-matter interactions on nanometer length scales form the field of study known as nanophotonics. Explorations in nanophotonics expand our understanding ...
Fundamentals of nonlinear interferometers and its use for optical coherence tomography
(English) This thesis, mostly experimental, is based on two fundamental pillars: nonlinear interferometers and Optical Coherence Tomography (OCT). Nonlinear interferometers are a class of interferometers that exhibit ...
A highly efficient time-series database approach for monitoring infrastructures
(English) The rising interest in extracting value from data has led to a broad proliferation of monitoring infrastructures, most notably composed by sensors, intended to collect this new oil. Thus, gathering data has become ...
Convergence of contrained and non-constrained communication standards
(English) As the Internet of Things (IoT) deployment proceeds, the number of radio solutions used in the Wireless Sensor Network (WSN) space increases. This well-known process has led to fragmentation in the IoT space, as ...
Factores de éxito para la implantación y sostenibilidad del Total Productive Maintenance (TPM)
(English) This doctoral thesis aims to broaden the knowledge around the key factors in the implementation and sustainability of Total Productive Maintenance (TPM) with the study of 3 case studies of companies located in ...
Optimizing edge cloud deployments for video analytics
(English) As our digital world and physical realities blend together, we, as users, are growing to expect real-time interaction wherever and whenever we want. Newer internet services require lower latency than a data center ...
Structure-function relationships in sensory G protein-coupled receptors
(English) Perception of the world by an organism is not possible unless decoding the received information through its sensory systems. In vertebrates, G-protein-coupled receptors (GPCRs) and ion channels are principal ...
Contributions to the characterization and design optimization of power converters based on switching-cell arrays
(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 ...
Hardware knob coordination in multi-threaded systems
(English) Every new generation of high performance computing (HPC) processors brings higher complexity to boost performance: the increasing number of cores within the processor itself, cores with the ability to run multiple ...
Afino microestructural de chapa de acero calidad DDQ mediante procesos de doblado - enderezado
(English) In this thesis, the ability to refine the grain size of a low carbon steel (deep drawing quality, DDQ) was studied by means of two different techniques of Severe Plastic Deformation (SPD). Firstly, the Repetitive ...
Nanoscale manipulation of optical fields
(English) Besides its relevant fundamental interest, the in-depth understanding of light-matter interactions at the nanoscale has a profound impact on modern technological applications in diverse areas including ...
Leak supervision in water distribution networks based on model-based and data-driven approaches
(English) This dissertation intends to provide a methodology for leak supervision in the water distribution network (WDN), focusing on detecting, estimating, and locating leaks in the system. Additionally, sensor placement ...
Modelling and vibration control for a submerged piezoelectric cantilever beam
(English) In this thesis, the dynamic model for the piezoelectric cantilever beam is build by using partial differential equation (PDE). To facilitate the parameter estimation procedure and the controller design, a simplified ...
