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Browsing Doctorado en Ingeniería - Eléctrica by Issue Date
Now showing items 21-40 of 47
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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. -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Planificación de redes eléctricas de distribución incluyendo generación distribuida, almacenamiento de energía y gestión de la demanda (DSM Y DR)
Este trabajo investiga la manera de mejorar el planeamiento de las redes eléctricas de distribución (REDis) en torno a su modernización, analizando aspectos como la integración de recursos distribuidos, sistemas de ... -
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 ... -
Operator theory in dynamical network systems
We provide a data-driven synthesis framework for some complex systems. The proposed fra- mework relies on the linear operator theory involving the Koopman operator. Our first results employ Koopman-based lifting for the ... -
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 ... -
Narrow bipolar events study based on broadband observations
Este estudio determina las características de los pulsos bipolares estrechos (NBEs) en Bogotá, Colombia, proporcionando información sobre los NBEs en una región tropical observada desde un altiplano andino. La instrumentación ... -
A new framework for training a CNN with a hardware-software architecture
Facial Expression Recognition (FER) systems classify emotions by using geometrical approaches or Machine Learning (ML) algorithms such as Convolutional Neural Networks (CNNs). However, designing these systems could be a ... -
Analysis and development of a personal portable lightning protection system
Colombia has a very high lightning activity as shown in different published lightning maps. Any activity that takes place outdoors in stormy weather, even more in places recognized as having high lightning activity, at ... -
Location of power quality stationary disturbances sources in distribution power grids
El origen de las perturbaciones estacionarias es un problema que ha sido abordado desde múltiples perspectivas. Se han desarrollado varios métodos para determinar fuentes de perturbación, dispositivos que inyectan armónicos, ... -
Concepción del proceso de diseño de un Sistema Híbrido de Almacenamiento de Energía compuesto por baterías y supercondensadores, con aplicación a microrredes eléctricas residenciales
El presente documento de Tesis de Doctorado aborda de forma integral las diferentes etapas en materia diseño e implementación de un Sistema de Almacenamiento Híbrido de Almacenamiento de Energía (SHAE), compuesto por ...
