Listar Ingeniería eléctrica por título
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Aplicación del análisis de ruido flicker para la optimización estructural del silicio poroso como material básico en la producción de nuevos sensores y diodos emisores de luz
(2005)En esta tesis se presentan los resultados de la aplicación de la técnica denominada espectroscopía de ruido Flicker para el análisis del proceso de producción del silicio poroso, un material que exhibe interesantes propiedades ... -
Assessing the robustness of recurrent neural networks to enhance the spectrum of reverberated speech
(2020)Implementing voice recognition systems and voice analysis in real-life contexts present important challenges, especially when signal recording/registering conditions are adverse. One of the conditions that produce signal ... -
Assessing the Total Cost of Ownership of Electric Vehicles in the Costa Rican Market
(2021)This article aims to describe how the electric vehicle market operates in Costa Rica. Different government policies have been defined in order to promote the insertion of electric vehicles. With the existing public charging ... -
Auto-Associative Initialization of LSTM Neural Networks for Fundamental Frequency Detection in Noisy Speech Signals
(2018)In this paper, we present a new approach for fundamental frequency detection in noisy speech, based on Long Short-term Memory Neural Networks (LSTM). Fundamental frequency is one of the most important parameters of human ... -
Automated Quantification of Ki-67 on Gastric Epithelial Tissue based on Cell Nuclei Area Ratio
(2022)The objective was to develop an automated algorithm for the estimation of a protein (Ki-67) index based on cell nuclei area ratio of gastric epithelial tissue cells; for this purpose, digital histopathology images were ... -
Automatic Translation of Spanish Natural Language Commands to Control Robot Comands Based on LSTM Neural Network
(2019)In this paper, we propose a high level layer able to translate motion commands in natural spanish language to a formal intermediate representation called Robot Control Language (RCL). The layer was built by using the ... -
Clasificación de quimiosensibilidad tumoral en muestras del proyecto TCGA mediante la integración de datos genómicos del cáncer
(2019-08)La enfermedad del cáncer causa millones de muertes en todo el mundo y miles en Costa Rica, y el tratamiento del cáncer causa también una carga económica inmensa en el sistema de seguridad social porque las drogas contra ... -
Comparative Efficiency Study of Two Proposed Designs Tested in Water and Air Cooling Conditions for a High Power Humanoid Robot Hollow Joint
(2018)When a robot is designed, usually the weight of the same motors limits the maximum payload of the robot. While the designer tries to increase the power of the motors to give the robot better payload capacity, by doing so, ... -
Comparison of PID methods for networked control systems
(2016-11-10)This work presents significant developments in Networked Control Systems based on PID, Internal Model Control and Smith Predictor algorithms. The main purpose of this research paper is to study the performance and robustness ... -
Comparison of PV-Battery Architectures for Residential Applications
(2016-04-04)The paper provides a comparison of four PV-battery architectures with dc and ac backbones, in terms of autarky, energy efficiency, battery size and reduction of annual electricity cost. The comparison is conducted based ... -
Confiabilidad Operativa en Sistemas de Distribución de Energía Eléctrica, ante la Aparición de Sobretensiones de Origen Atmosférico
(2020-11-17)Las descargas atmosféricas son eventos fascinantes que surgen de manera periódica en todo el mundo y despiertan multiples emociones en los seres humanos. Desde una perspectiva ingenieril, se define como pulso electromagnético ... -
Consideraciones para la incorporación de la inteligencia artificial en un programa de pregrado de Ingeniería Eléctrica
(2021-05)Con la rápida proliferación de técnicas y aplicaciones, la inteligencia artificial ha adquirido gran relevancia en diversos campos de la sociedad, lo cual incluye nuevas formas de resolver problemas relacionados con sistemas ... -
Constructing accurate equivalent electrical circuit models of lithium iron phosphate and lead–acid battery cells for solar home system applications
(2018-09-07)The past few years have seen strong growth of solar-based off-grid energy solutions such as Solar Home Systems (SHS) as a means to ameliorate the grave problem of energy poverty. Battery storage is an essential component ... -
Control of distributed energy resources and load tap changers to enhance the long-term voltage stability of transmission networks
(2023-11)La estabilidad de tensión es la capacidad de un sistema eléctrico de potencia de mantener tensiones aceptables tras una perturbación. En redes de transporte, esta capacidad se ve comprometida a largo plazo cuando se suplen ... -
Control over networks: A case study of Wastewater Treatment Plants
(2022-12)A control over the network for an activated sludge wastewater treatment plant (WWTP) is presented. A predictive PID control algorithm is applied to the dissolved oxygen concentration in the aerated tank and to the nitrate ... -
Coordination of DERs and Flexible Loads to Support Transmission Voltages in Emergency Conditions
(2022)The large-scale integration of renewable generation and the gradual decommissioning of conventional power plants has led to decreased availability of resources for providing services and support to the bulk transmission ... -
Costos y beneficios de la carbono-neutralidad en Perú: Una evaluación robusta
(2021-05)Cumplir con las metas del Acuerdo de Paris requiere que todos los países lleguen a cero emisiones netas de carbono alrededor de 2050. Este estudio evalúa los costos y beneficios de distintas rutas de descarbonización en ... -
Decentralised wireless networked model predictive control design for wind turbines
(2020-10-08)An innovative Decentralised Wireless Networked Model Predictive Control (DWNMPC) is presented to regulate wind turbines speed and compensate the effect of communication constraints such as dropouts. A decentralised control ...