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Browsing Doctorado en Ingeniería - Eléctrica by Issue Date
Now showing items 21-40 of 41
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A textural deep neural network architecture for mechanical failure analysis
Nowadays, many classification problems are approached with deep learning architectures, and the results are outstanding compared to the ones obtained with traditional computer vision approaches. However, when it comes ... -
Information theory in multi-agent learning systems
En este trabajo se muestra el desarrollo de un modelo de aprendizaje multi-agente que se basa en conceptos tales como la teoría de la información y la teoría de juegos. En primer lugar, los agentes, por medio de herramientas ... -
Multi-objective optimal power resources planning of microgrids with high penetration of intermittent nature generation and modern storage systems
Microgrids are self-controlled entities at the distribution voltage level that interconnect distributed energy resources (DERs) with loads and can be operated in either grid-connected or islanded mode. This type of active ... -
Many-objective problems optimization focused on energy efficiency applied to 5G heterogeneous cellular networks using the small cell switch-off framework
This Ph.D. dissertation addresses the Many-Objective Optimization Problem (MaOP) study to reduce the inter-cell interference and the power consumption for realistic Centralized, Collaborative, Cloud, and Clean Radio Access ... -
Control methods for network dynamics and criticality phenomena
This dissertation studies the role of the network structure on the emergence and mitigation of critical phenomena in complex power networks. In particular, the event to consider is the emergence of cascading failures due ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica Ingeniería Eléctrica. -
Modelo basado en agentes para incluir el proceso de adaptación de los generadores en subastas dinámicas para contratos de largo plazo en el sector eléctrico
Los mercados de capacidad, también conocidos como mercados de energía firme, han ganado relevancia en el sector eléctrico como alternativa para asegurar el suministro energético a largo plazo. En estos mercados, es común ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica Ingeniería Eléctrica. -
Few-mode photonic crystal fibers for mode-converter devices and sensing applications
One of the major challenges in telecommunications is related with the increase of the transmission capacity of optical links. To carry out this task, several experts recommend the use of spatial division multiplexing ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica Ingeniería Eléctrica. -
Análisis de la propagación de perturbaciones de calidad de potencia mediante el uso de modelos epidemiológicos
En esta tesis se propuso dos metodologías para análisis de perturbaciones de calidad de potencia. La primera metodología consiste en el análisis del impacto de factores de riesgo en la ocurrencia de distorsión armónica en ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica. -
Optical Microwave Signal Generation for Data Transmission in Optical Networks
The massive growth of telecommunication services and the increasing global data traffic boost the development, implementation, and integration of different networks for data transmission. An example of this development is ... -
Development of algorithms to improve the technical efficiency of capturing, processing, and identification of EEG signals in the word imagery task
A Brain-Computer Interface (BCI) system is a powerful tool that decodes signals from the brain and translates it into codes which are understood by software to perform a specific task. Through a BCI, a disabled person can ... -
Modeling and multi-objective optimization of inductive components in high voltage gain power converters
Applications in electric mobility, renewable energy systems, and power systems are experiencing a movement towards bigger voltage differences between power sources and loads. This is due to the advance of battery technology, ... -
Fast security constraint optimal power flow using parallel and heterogenous computing
Optimal and secure grid operation is paramount for modern power systems. However, the ever increasing system size, number of conventional and renewable sources, not to mention system loads and power system controllers, ... -
Associative learning for collective decision-making in dynamic environments
In the past few decades, animal behavior has become one of the most attractive subjects of study in the academic field. This can be understood due to its connection with evolutionary theories, which employ concepts of ... -
Operational planning of smart microgrids considering intraday markets
Environmental concerns and sustainable development promote the adoption of smart microgrids (SMGs). However, economic interests promote an increase in income, which can result in non-optimal situations, such as non-supply ... -
Hardware-based complex natural resonances extraction techniques for portable ground penetrating radar operations
Here, a contribution to the Improvised Explosive Devices remote detection in Colombia in terms of Ground Penetrating Radar signal analysis is presented. The Complex Natural Resonances Extraction Methods for characterizing ... -
Study of responsibilities assignment methods in power quality
Abstract. The present document is a research report on the study of responsibilities assignment in power quality, theme proposed to be carried out as thesis for the degree of Doctor of Philosophy in Electrical Engineering ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica. -
Planteamiento de estrategias para la Gestión de la Demanda desde el usuario activo en una red eléctrica inteligente
El principal objetivo de la cadena de energía eléctrica y todos sus sistemas asociados es atender oportuna y eficientemente la demanda de los usuarios, cumpliendo con los requerimientos de calidad y confiabilidad del ... -
Data-driven control of interconnected energy systems
This research proposed several algorithms for the identification and control of microgrids based on the Koopman operator. The contributions presented in this manuscript are focused on the control of voltage and reactive ... -
Dynamic line rating state estimation
Nowadays, the assets of power systems face economic, social, technical and environmental challenges. These challenges arise as a consequence of energy system dynamics that need to increase their reliability and safety as ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica Ingeniería Eléctrica. -
Application of Time-Frequency Transformations in Polarimetric Ultra-Wideband MIMO-GPR signals for Detection of Colombian Improvised Explosive Devices
Abstract. In this thesis, a new radar technique for GPR detection and discrimination of Improvised Explosive Devices is presented and validated. Data processing, consisting of adaptive filters and time-frequency ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ingeniería Departamento de Ingeniería Eléctrica y Electrónica.
