L. E. Mendoza, J. Pena, Luis A. Muñoz-Bedoya, Hernando J. Velandia-Villamizar
This paper presents the results obtained from the recording, processing and classification of words in the Spanish language by means of the analysis of subvocal speech signals. The processed database has six words (forward, backward, right, left, start and stop). In this work, the signals were sensed with surface electrodes placed on the surface of the throat and acquired with a sampling frequency of 50 kHz. The signal conditioning consisted in: the location of area of interest using energy analysis, and filtering using Discrete Wavelet Transform. Finally, the feature extraction was made in the time-frequency domain using Wavelet Packet and statistical techniques for windowing. The classification was carried out with a backpropagation neural network whose training was performed with 70% of the database obtained. The correct classification rate was 75%±2.
{"title":"Procesamiento de Señales Provenientes del Habla Subvocal usando Wavelet Packet y Redes Neuronales","authors":"L. E. Mendoza, J. Pena, Luis A. Muñoz-Bedoya, Hernando J. Velandia-Villamizar","doi":"10.22430/22565337.371","DOIUrl":"https://doi.org/10.22430/22565337.371","url":null,"abstract":"This paper presents the results obtained from the recording, processing and classification of words in the Spanish language by means of the analysis of subvocal speech signals. The processed database has six words (forward, backward, right, left, start and stop). In this work, the signals were sensed with surface electrodes placed on the surface of the throat and acquired with a sampling frequency of 50 kHz. The signal conditioning consisted in: the location of area of interest using energy analysis, and filtering using Discrete Wavelet Transform. Finally, the feature extraction was made in the time-frequency domain using Wavelet Packet and statistical techniques for windowing. The classification was carried out with a backpropagation neural network whose training was performed with 70% of the database obtained. The correct classification rate was 75%±2.","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"655-667"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68492262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bernardo A. Herrera-Múnera, Luis H. Copete-López, Jhony M. Gutiérrez-Flórez, Raúl A. Ortega-López
Resumen es: En este trabajo se presenta un estudio numerico de la combustion con aire enriquecido de un horno rotatorio para la fundicion de frita que usa gas natura...
摘要:本文对利用天然气体铸造熔块的旋转炉富空气燃烧进行了数值研究。
{"title":"Simulación Numérica de la Combustión con Aire Enriquecido en un Horno de Fusión de Fritas","authors":"Bernardo A. Herrera-Múnera, Luis H. Copete-López, Jhony M. Gutiérrez-Flórez, Raúl A. Ortega-López","doi":"10.22430/22565337.384","DOIUrl":"https://doi.org/10.22430/22565337.384","url":null,"abstract":"Resumen es: En este trabajo se presenta un estudio numerico de la combustion con aire enriquecido de un horno rotatorio para la fundicion de frita que usa gas natura...","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"641-653"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68492347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Camilo E. Ardila-Franco, John A. Soto-Gómez, Eliana I. Arango-Zuluaga, Carlos Andrés Ramos-Paja, Sergio I. Serna-Garcés
This paper presents the development of an emulator that has the ability to replicate, in real time, the behavior of photovoltaic panels (PV) arrays considering different conditions of irradiation and temperature for each one. The emulator consists of a data acquisition card, a programmable source and a computer. It is based on the bypass diode model that provides a better approximation to real operating conditions. The solution is computed by a simplified equation that uses the Lambert W function, which reduces the computation time. After that, it generates a solution table of values of current as a function of voltage on terminals, temperature and irradiation. Real-time emulation is performed by means of a search algorithm in the solutions table of the closest value to the voltage imposed on the terminals.
{"title":"Desarrollo de un Sistema Emulador de Arreglos Fotovoltaicos en Tiempo Real Considerando Variaciones en las Condiciones Climáticas","authors":"Camilo E. Ardila-Franco, John A. Soto-Gómez, Eliana I. Arango-Zuluaga, Carlos Andrés Ramos-Paja, Sergio I. Serna-Garcés","doi":"10.22430/22565337.330","DOIUrl":"https://doi.org/10.22430/22565337.330","url":null,"abstract":"This paper presents the development of an emulator that has the ability to replicate, in real time, the behavior of photovoltaic panels (PV) arrays considering different conditions of irradiation and temperature for each one. The emulator consists of a data acquisition card, a programmable source and a computer. It is based on the bypass diode model that provides a better approximation to real operating conditions. The solution is computed by a simplified equation that uses the Lambert W function, which reduces the computation time. After that, it generates a solution table of values of current as a function of voltage on terminals, temperature and irradiation. Real-time emulation is performed by means of a search algorithm in the solutions table of the closest value to the voltage imposed on the terminals.","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"151-163"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68490805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cristhian Manuel Durán-Acevedo, Héctor L. García-Sierra
This article presents the use of a wireless communication technology through the ZigBee protocol, by implementing XBee S2B. Wireless communication was implemented on a wind turbine prototype (i.e. wind power generation) in order to controlling variables automatically, such as: Direction of the wind, temperature, humidity and velocity engine. The XBee were conditioned using a Mega ADK Arduino card, which the signals generated were acquired by several sensors and subsequently sent wirelessly. The programming and monitoring of Arduino module with each of the variables was performed through Labview software. The study was also conducted in order to explore new technologies for wireless communication, which is useful in interoperable systems to monitor, control and automate different processes. As a result, the performance test with the wireless system was stable and data transmission was reliable.
{"title":"Desarrollo de un Sistema Inalámbrico para la Supervisión y Control de un Aerogenerador","authors":"Cristhian Manuel Durán-Acevedo, Héctor L. García-Sierra","doi":"10.22430/22565337.331","DOIUrl":"https://doi.org/10.22430/22565337.331","url":null,"abstract":"This article presents the use of a wireless communication technology through the ZigBee protocol, by implementing XBee S2B. Wireless communication was implemented on a wind turbine prototype (i.e. wind power generation) in order to controlling variables automatically, such as: Direction of the wind, temperature, humidity and velocity engine. The XBee were conditioned using a Mega ADK Arduino card, which the signals generated were acquired by several sensors and subsequently sent wirelessly. The programming and monitoring of Arduino module with each of the variables was performed through Labview software. The study was also conducted in order to explore new technologies for wireless communication, which is useful in interoperable systems to monitor, control and automate different processes. As a result, the performance test with the wireless system was stable and data transmission was reliable.","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"395-409"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68490913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
John E. Muñoz-Cardona, Cristian D. Muñoz-Cardona, Óscar A. Henao-Gallo
This paper shows the design of work-station for work-related inclusion people upper-limb disability. The system involves the use of novel brain computer interface used to bridge the user-computer interaction. Our hope objective is elucidating functional, technological, ergonomic and procedural aspects to runaway operation station; with propose to scratch barrier to impossibility access to TIC’s tools and work done for individual disability person. We found access facility ergonomics, adaptability and portable issue of workstation are most important design criteria. Prototype implementations in workplace environment have TIR estimate of 43% for retrieve. Finally we list a typology of services that could be the most appropriate for the process of labor including: telemarketing, telesales, telephone surveys, order taking, social assistance in disasters, general information and inquiries, reservations at tourist sites, technical support, emergency, online support and after-sales services.
{"title":"Diseño de una Estación de Trabajo para Personas con Discapacidad en Miembros Superiores Usando una Interfaz Cerebro Computador","authors":"John E. Muñoz-Cardona, Cristian D. Muñoz-Cardona, Óscar A. Henao-Gallo","doi":"10.22430/22565337.337","DOIUrl":"https://doi.org/10.22430/22565337.337","url":null,"abstract":"This paper shows the design of work-station for work-related inclusion people upper-limb disability. The system involves the use of novel brain computer interface used to bridge the user-computer interaction. Our hope objective is elucidating functional, technological, ergonomic and procedural aspects to runaway operation station; with propose to scratch barrier to impossibility access to TIC’s tools and work done for individual disability person. We found access facility ergonomics, adaptability and portable issue of workstation are most important design criteria. Prototype implementations in workplace environment have TIR estimate of 43% for retrieve. Finally we list a typology of services that could be the most appropriate for the process of labor including: telemarketing, telesales, telephone surveys, order taking, social assistance in disasters, general information and inquiries, reservations at tourist sites, technical support, emergency, online support and after-sales services.","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"55-66"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68490604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Juan J. Arbeláez-Toro, Carlos M. Rodriguez-Ledesma, Diego A. Hincapié-Zuluaga, Edward A. Torres-Lopez
Resumen es: En este trabajo se realiza una simulacion computacional, para dar res-puesta a un problema de dinamica asociado a la evaluacion de la adhesion en sistema...
摘要:本文进行了计算机模拟，以回答一个与系统粘附评估相关的动力学问题。
{"title":"Evaluación de la Adhesión de una Suspensión MacPherson bajo la Norma EuSAMA en un Modelo Matemático y uno Multicuerpo","authors":"Juan J. Arbeláez-Toro, Carlos M. Rodriguez-Ledesma, Diego A. Hincapié-Zuluaga, Edward A. Torres-Lopez","doi":"10.22430/22565337.344","DOIUrl":"https://doi.org/10.22430/22565337.344","url":null,"abstract":"Resumen es: En este trabajo se realiza una simulacion computacional, para dar res-puesta a un problema de dinamica asociado a la evaluacion de la adhesion en sistema...","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"757-768"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68491417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. A. Herrera-Cuartas, J. Peláez-Restrepo, N. Correa-Rojas
Resumen es: En el presente trabajo se presenta un analisis del predictor de Smith modificado, el cual es un esquema utilizado en el control de sistemas estables, ine...
摘要:本文提出了一种改进的Smith预测器的分析，该预测器是一种用于稳定系统控制的方案。
{"title":"Análisis del Predictor de Smith Modificado","authors":"J. A. Herrera-Cuartas, J. Peláez-Restrepo, N. Correa-Rojas","doi":"10.22430/22565337.322","DOIUrl":"https://doi.org/10.22430/22565337.322","url":null,"abstract":"Resumen es: En el presente trabajo se presenta un analisis del predictor de Smith modificado, el cual es un esquema utilizado en el control de sistemas estables, ine...","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"339-352"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68490126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Luis Omar Sarmiento-Álvarez, Yudy N. Flórez-Ordónez, Alberto González-Salvador, J. M. Roig
This paper describes a method for locating QRS complex in noninvasive FECG, using techniques based on MECG cancellation, and Principal Component Analysis. We use a database composed of 15 maternal abdominal electrocardiograms, 4 leads each, sampled at 1000 Hz. The database contains reference annotations that mark the actual locations of each fetal QRS complex. The position of each QRS complex is compared with the estimated position of each actual QRS complex to determine the performance of the proposed method. The proposed method locates the fetal QRS complexes with efficiency above 80% in databases highly contained with noise uterine and fetal movement.
{"title":"Estimación de la Frecuencia Cardiaca Fetal en el ECG Fetal no Invasivo","authors":"Luis Omar Sarmiento-Álvarez, Yudy N. Flórez-Ordónez, Alberto González-Salvador, J. M. Roig","doi":"10.22430/22565337.341","DOIUrl":"https://doi.org/10.22430/22565337.341","url":null,"abstract":"This paper describes a method for locating QRS complex in noninvasive FECG, using techniques based on MECG cancellation, and Principal Component Analysis. We use a database composed of 15 maternal abdominal electrocardiograms, 4 leads each, sampled at 1000 Hz. The database contains reference annotations that mark the actual locations of each fetal QRS complex. The position of each QRS complex is compared with the estimated position of each actual QRS complex to determine the performance of the proposed method. The proposed method locates the fetal QRS complexes with efficiency above 80% in databases highly contained with noise uterine and fetal movement.","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"277-288"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68490848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Verónica Londoño-Osorio, Jhovana Marín-Pineda, Eliana I. Arango-Zuluaga
Resumen es: En este trabajo se presenta el diseno de dos practicas de vision artifi-cial para un curso que tiene el objetivo de introducir al estudiante en las difer...
摘要:在这项工作中，我们提出了一门课程的两种人工视觉实践的设计，旨在向学生介绍不同的…
{"title":"Introducción a la Visión Artificial mediante Prácticas de Laboratorio Diseñadas en Matlab","authors":"Verónica Londoño-Osorio, Jhovana Marín-Pineda, Eliana I. Arango-Zuluaga","doi":"10.22430/22565337.350","DOIUrl":"https://doi.org/10.22430/22565337.350","url":null,"abstract":"Resumen es: En este trabajo se presenta el diseno de dos practicas de vision artifi-cial para un curso que tiene el objetivo de introducir al estudiante en las difer...","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"591-603"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68491057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Resumen es: Este articulo presenta un metodo de navegacion Robotico basado en patrones estaticos usando tecnicas de vision artificial implementadas sobre el sistema ...
摘要:本文介绍了一种基于静态模式的机器人导航方法，使用人工视觉技术实现在系统上…
{"title":"Nuevas técnicas de adquisición y tratamiento de imágenes para el desarrollo de la instrumentación biomédica: Impacto social en el sector salud","authors":"Galeano Zea, July Andrea","doi":"10.22430/22565337.363","DOIUrl":"https://doi.org/10.22430/22565337.363","url":null,"abstract":"Resumen es: Este articulo presenta un metodo de navegacion Robotico basado en patrones estaticos usando tecnicas de vision artificial implementadas sobre el sistema ...","PeriodicalId":30469,"journal":{"name":"TecnoLogicas","volume":"1 1","pages":"9-11"},"PeriodicalIF":0.0,"publicationDate":"2013-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68491932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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