Listar Maestría en Electrónica por fecha de publicación
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Equivalent circuit modeling for electrochemical impedance spectroscopy
(Instituto Tecnológico de Costa Rica, 2013)The design and fabrication of implantable neural electrodes is a challenge, because the materials and interfaces must provide low impedance to the tissues, with high current injection capabilities. In the Institute of ... -
Sequential code parallelization for multi-core embedded systems: A survey of models, algorithms and tools
(Instituto Tecnológico de Costa Rica, 2014)In recent years the industry experienced a shift in the design and manufacture of processors. Multiple-core processors in one single chip started replacing the common used single-core processors. This design trend reached ... -
Escalamiento del cultivo de células en suspensión de Azadirachta indica (NEEM) en biorreactor tanque agitado para la produccion de azadiractina
(Instituto Tecnológico de Costa Rica, 2014)The following Master’s Thesis engages in the area of NeuroMuscular Electrical Stimulation (NMES), which comprises the activation of nerves and muscle fibers by applying electrical current pulses using two electrodes ... -
Estudio mediante simulaciones de las propiedades eléctricas de la interfaz Gel-Piel durante la estimulación eléctrica neuromuscular
(Instituto Tecnológico de Costa Rica, 2014)The following Master’s Thesis engages in the area of NeuroMuscular Electrical Stimulation (NMES), which comprises the activation of nerves and muscle fibers by applying electrical current pulses using two electrodes ... -
Sistema de tiempo real para el análisis de vibracion en puentes
(Instituto Tecnológico de Costa Rica, 2015)This document proposes the development of a real-time embedded system for online vibration analysis on bridges, where the main considerations of this analysis are presented, as well as techniques to reduce power consumption ... -
Modelado de forma de larvas utilizando máquinas restringidas de Boltzmann
(Instituto Tecnológico de Costa Rica, 2015)Occlusion and presence of incomplete shapes on digital images of vermiform structures as larvae make the automated process for larvae counting and segmentation hard to complete. The suggested solution provides a method ... -
Improvement of small satellite’s software design with build system and continuous integration tools
(Instituto Tecnológico de Costa Rica, 2015)The space exploration is a field that requires the interconnection of different research disciplines including medicine, biology, physics and of course electronics and embedded systems. Because of this integration of ... -
Active dictionary models: A framework for non-linear shape modeling
(Instituto Tecnológico de Costa Rica, 2015)Shape modeling has applications in science and industry fields. The existing algorithms are based on linear methods and on unimodal normal distributions not appropriate to model deformations present in natural signals. ... -
Identificación de la temperatura electrónica de un plasma frío por medio de redes neuronales artificiales
(Instituto Tecnológico de Costa Rica, 2015)In plasma nuclear fusion devices, the performance of the experiments is related to their diagnostic capability, that is, the capability to effectively obtain the plasma parameters involved in each experiment. In the ... -
Reconocimiento de pose estática de manos en imágenes de profundidad
(Instituto Tecnológico de Costa Rica, 2015)With the increasing usage of new technologies in common daily activities, the demand of efficient human-computer interaction (HCI) systems increases. Hand pose recognition systems have been widely explored for such task ... -
Implementación de un microprocesador de aplicación específica para la ejecución del algoritmo de modelos ocultos de Markov en el reconocimiento de patrones acústicos.
(Instituto Tecnológico de Costa Rica, 2015)In this work, the classification unit of an acoustic pattern recognition system based in the algorithm of Hidden Markov Models (HMM) was developed for the detection of gunshots and chainsaws in a protected tropical area, ... -
Detección de manos en imágenes de profundidad mediante el uso de bosques de decisión aleatorios
(Instituto Tecnológico de Costa Rica, 2015)In the present work a system for hand detection in depth images is proposed. To perform this task, the scene is segmented into 5 different classes: head, arms, body, hands and background, using the pixel-wise classification ... -
Optimización de protocolos de comunicación SDR ejecutados en FPGA
(Instituto Tecnológico de Costa Rica, 2015)This project shows a methodology for the optimization digital communication systems implemented on software radios SDR reducing the CPU and memory usage. The project was developed using the kit Zedboard which is based ... -
Estructura microfluídica para espectroscopía de impedancia de células humanas
(Instituto Tecnológico de Costa Rica, 2016)This master's project is part of a research project at Instituto Tecnológico de Costa Rica, aiming at confining cells in microfluidic devices to be subsequently analyzed by impedance spectroscopy. The problem of confining ... -
Estudio y optimización de la variabilidad y sus efectos en un OTA con degeneración de cuerpo
(Instituto Tecnológico de Costa Rica, 2016)In this report, it is documented a study about transistors mismatching in Operational Transconductance Amplifiers (OTA), particularly a body degenerated OTA. With the help of Dr. Alfredo Arnaud, Dr. Roberto Pereira and ... -
Modeling and controlling a robotized medical instrument
(Instituto Tecnológico de Costa Rica, 2016)During the last decade, Minimally Invasive Surgeries (MIS) have become a trend in the medical field, given the numerous benefits such as: reduced trauma, shorter recovery time and minimal postoperative complications. It ... -
Electrical Impedance Tomography (EIT) image reconstruction for the human forearm
(Instituto Tecnológico de Costa Rica, 2016)This thesis addresses the principles and algorithms of image reconstruction used in electrical impedance tomography (EIT). It is a low cost, portable and non-invasive medical imaging technique. In this development EIT ... -
Diseño y Caracterización de Electrodos para la identificación de Sustancias Químicas en Medio Acuoso
(Instituto Tecnológico de Costa Rica, 2016)The pollution of water resources has become a major concern of government and private organizations. Additionally, the gradual decline of this resource recall to protect water sources that are not contaminated and can ... -
Design, simulation and validation of an equivalent circuit model for a valveless piezoelectric micropump
(Instituto Tecnológico de Costa Rica, 2016)Equivalent electric circuit models are commonly used in microfluidics to represent the dynamic behavior of fluidic components in terms of their equivalent electric counterparts. FEM simulation tools are widely used for ... -
A methodology for the synthesis to logical netlist of an ASIC
(Instituto Tecnológico de Costa Rica, 2017)The advances in technology for manufacturing ASICs allow more features to be added. As result, and depending on the architecture of the ASIC, more functional blocks do exist to support such additional features. This imply ...