Browsing Universitat de Girona by Subject "621.3"

A Multi-agent Architecture with Distributed Coordination for an Autonomous Robot

Innocenti, Bianca (Date of defense: 2008-11-17)

Aquest treball proposa una nova arquitectura de control amb coordinació distribuïda per a un robot mòbil (ARMADiCo). La metodologia de coordinació distribuïda consisteix en dos passos: el primer determina quin és l'agent ...

A proposal of a behavior-based control architecture with reinforcement learning for an autonomous underwater robot

Carreras Pérez, Marc (Date of defense: 2003-09-16)

Aquesta tesi proposa l'ús d'un seguit de tècniques pel control a alt nivell d'un robot autònom i també per l'aprenentatge automàtic de comportaments. L'objectiu principal de la tesis fou el de dotar d'intel·ligència als ...

Data-driven approaches for event detection, fault location, resilience assessment, and enhancements in power systems

Souto, Laiz (Date of defense: 2021-01-15)

This thesis presents the study and development of distinct data-driven techniques to support event detection, fault location, and resilience assessment towards enhancements in power systems. It is divided in three main ...

Data-driven models for type 1 diabetes using generative deep learning

Mujahid, Omer (Date of defense: 2023-09-19)

Modeling biological systems has always been challenging given the complexity of the processes involved in them. Experts have been employing physiological models to approximate the dynamics of biological systems; however, ...

Desarrollo de algoritmos de control para terapia MDI en pacientes con diabetes tipo 1

Estremera Toledo, Ernesto (Date of defense: 2023-07-18)

Diabetes Mellitus (DM) is considered one of the fastest-growing global health emergencies in the XXI century. According to the World Health Organization, it was estimated in 2021 that 537 million people were suffering from ...

Disseny d'agents físics: inclusió de capacitats específiques per a l'avaluació de l'eficiència d'accions

Oller Pujol, Albert (Date of defense: 2003-03-07)

L'experiència de l'autor en la temàtica d'agents intel·ligents i la seva aplicació als robots que emulen el joc de futbol han donat el bagatge suficient per poder encetar i proposar la temàtica plantejada en aquesta tesi: ...

Electrically tunable thermal conductivity and exhaust heat recovery applications of thermoelectric materials

Massaguer Colomer, Albert (Date of defense: 2018-06-08)

The current work is focused on two areas related to thermoelectricity: (i) the study of the capability of controlling the thermal conductivity of TEMs and (ii) the development, testing and improvement of an automotive ...

Enhanced convolution approach for CAC in ATM networks, an analytical study and implementation

Marzo i Lázaro, Josep Lluís (Date of defense: 1997-02-07)

The characteristics of service independence and flexibility of ATM networks make the control problems of such networks very critical. One of the main challenges in ATM networks is to design traffic control mechanisms that ...

Gradient-based reinforcement learning techniques for underwater robotics behavior learning

El-Fakdi Sencianes, Andrés (Date of defense: 2011-03-03)

Darrerament, l'interès pel desenvolupament d'aplicacions amb robots submarins autònoms (AUV) ha crescut de forma considerable. Els AUVs són atractius gràcies al seu tamany i el fet que no necessiten un operador humà per ...

Improving resource utilization in carrier ethernet technologies

Caro Perez, Luis Fernando (Date of defense: 2010-01-19)

Ethernet está empezando a pasar de las redes de área local a una red de transporte. Sin embargo, como los requisitos de las redes de transporte son más exigentes, la tecnología necesita ser mejorada. Esquemas diseñados ...

Introspection on control-grounded capabilities. An agent inspired approach for control

Quintero Monroy, Christian G. (Date of defense: 2007-10-18)

Introspecció sobre la dinàmica dels agents té un important impacte en decisions individuals i cooperatives en entorns multi-agent. Introspecció, una habilitat cognitiva provinent de la metàfora "agent", permet que els ...

Localización de faltas en sistemas de distribución de energía eléctrica usando métodos basados en el modelo y métodos basados en el conocimiento

Mora Flórez, Juan José (Date of defense: 2006-12-15)

La calidad de energía eléctrica incluye la calidad del suministro y la calidad de la atención al cliente. La calidad del suministro a su vez se considera que la conforman dos partes, la forma de onda y la continuidad. ...

Método para descubrir patrones espacio-temporales de comportamiento de usuarios eléctricos utilizando herramientas de aprendizaje automático

Flor Ambrosi, Mario Alberto (Date of defense: 2021-10-27)

This research presents a novel approach to define geographic areas with typical electricity consumption profiles from smart meter records, using machine learning and spatial analysis methods. Distribution system operators ...

Modelling of electric vehicle user profiles for flexibility management and charging infrastructure planning

Cañigueral Maurici, Marc (Date of defense: 2023-10-10)

The transition to electric mobility is facing multiple challenges, usually associated with the roll-out of the charging infrastructure. On one hand, cities must develop a charging infrastructure that meets the user needs ...

New medical registration and segmentation techniques using information-theoretic tools

Bardera i Reig, Antoni (Date of defense: 2008-11-20)

El processament d'imatges mèdiques és una important àrea de recerca. El desenvolupament de noves tècniques que assisteixin i millorin la interpretació visual de les imatges de manera ràpida i precisa és fonamental en entorns ...

Optimisation methods meet the smart grid. New methods for solving location and allocation problems under the smart grid paradigm

Torrent-Fontbona, Ferran (Date of defense: 2015-06-23)

The smart grid offers a new infrastructure for the management of energy demand and generation towards a sustainable future. Accordingly, there is the objective to provide consumers with a response capacity to stimuli of ...

Predicción probabilística de estados glucémicos para pacientes con diabetes tipo 1 mediante el análisis de datos composicionales

Cabrera Tejera, Alvis (Date of defense: 2023-09-20)

Diabetes mellitus (DM) is a chronic disease that affects a large number of people worldwide, making it a global pandemic. Type 1 diabetes (T1D) accounts for approximately 10 % of all cases. It is characterized by autoimmune ...

Robust and fault-tolerant strategies for controlling blood glucose in patients with type 1 diabetes

Beneyto Tantiña, Aleix (Date of defense: 2020-12-02)

Type 1 diabetes is a serious disease that must be monitored and controlled artificially by supplying exogenous insulin to the body. The artificial pancreas (AP) is a closed-loop system that resulted from integrating an ...

Underwater navigation and mapping with an omnidirecional optical sensor

Bosch Alay, Josep (Date of defense: 2018-10-17)

Omnidirectional vision has received increasing interest during the last decade from the computer vision community. However, the use of omnidirectional cameras underwater is still very limited. In this thesis we propose ...