<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432017000100017</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Control de un sistema de descargas de barrera dieléctrica basado en el diseño gráfico de sistemas]]></article-title>
<article-title xml:lang="en"><![CDATA[Control of a Dielectric Barrier Discharge Reactor based on Graphical System Design]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Aviles]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivia-Barrientos]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Colín-Cruz]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco-Pacheco]]></surname>
<given-names><![CDATA[Marquidia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco-Sotelo]]></surname>
<given-names><![CDATA[Joel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Química Departamento de Posgrado]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Nucleares Departamento de Estudios del Ambiente Laboratorio de Aplicaciones de Plasmas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Química Departamento de Posgrado]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Investigaciones Nucleares Departamento de Estudios del Ambiente Laboratorio de Aplicaciones de Plasmas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Nacional de Investigaciones Nucleares Departamento de Estudios del Ambiente Laboratorio de Aplicaciones de Plasmas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>18</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>29</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432017000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432017000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432017000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo describe el desarrollo e implementación de un sistema de monitoreo y control de los parámetros físicos involucrados en las etapas de inicio, sostenimiento y apagado de descargas de barrera dieléctrica generadas dentro de un reactor de geometría coaxial. En el proceso se empleó el diseño gráfico de sistemas (GSD, graphical system design) para conjuntar eficientemente una interfaz gráfica de usuario (GUI, graphical user interface), la tarjeta de adquisición de datos DAQ-6259 con canal de comunicación USB, una fuente de voltaje conmutado push-pull, controladores de flujo gaseoso y equipo de diagnóstico químico y electrónico. El núcleo del enfoque GSD se encuentra en el código de programación G de LabVIEW&#8482;; de esta manera, se recopilaron datos precisos y en tiempo real de las variables (vgr.: flujo de aire y potencia aplicada), mismos que permitieron realizar un análisis del desempeño de las descargas. Durante las pruebas se emplearon diferentes concentraciones de una mezcla de helio contaminada con óxidos de nitrógeno, con la finalidad de cuantificar el porcentaje de degradación/destrucción de los últimos. Los resultados indican un valor mayor a 88%. Por seguridad, a la GUI se accede a través de la intranet institucional, debido a que los compuestos generados pueden representar un riesgo para la salud humana.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper describes the development and implementation of a control and monitoring system for the physical parameters involved in the stages of initiation, maintenance and shutdown of dielectric barrier discharges generated within a coaxial geometry reactor. In the process, the graphical system design (GSD) was employed to efficiently combine a graphical user interface (GUI), the data acquisition card DAQ-6259 with USB communication channel, a switch-mode power supply in push-pull configuration, drivers for gas flow, chemical and electronic equipment for diagnosis. The core of the GSD approach is located in the G code from LabVIEW &#8482;, in this way, accurate data was collected in real time (e.g., airflow and power applied), which allowed to perform an analysis of the discharges performance. During testing, different concentrations of a mixture of helium contaminated with nitrogen oxides, in order to quantify the percentage of its degradation. The results indicate a value greater than 88%. For safety reasons, the GUI can be accessed remotely through institutional intranet, because of the generated compounds that may represent a risk to human health.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[contaminación atmosférica]]></kwd>
<kwd lng="es"><![CDATA[descargas de barrera dieléctrica]]></kwd>
<kwd lng="es"><![CDATA[diseño gráfico de sistemas]]></kwd>
<kwd lng="es"><![CDATA[fuentes móviles]]></kwd>
<kwd lng="es"><![CDATA[óxidos de nitrógeno]]></kwd>
<kwd lng="es"><![CDATA[plasma frío]]></kwd>
<kwd lng="en"><![CDATA[atmospheric pollution]]></kwd>
<kwd lng="en"><![CDATA[dielectric barrier discharges]]></kwd>
<kwd lng="en"><![CDATA[graphical system design]]></kwd>
<kwd lng="en"><![CDATA[mobile sources]]></kwd>
<kwd lng="en"><![CDATA[nitrogen oxides]]></kwd>
<kwd lng="en"><![CDATA[cold plasma]]></kwd>
</kwd-group>
</article-meta>
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