<?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>1665-6423</journal-id>
<journal-title><![CDATA[Journal of applied research and technology]]></journal-title>
<abbrev-journal-title><![CDATA[J. appl. res. technol]]></abbrev-journal-title>
<issn>1665-6423</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias Aplicadas y Tecnología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-64232011000100004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Noise Effect Reduction on a MEMS Based AC Voltage Reference Source Using Artificial Neural Network]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sadat Hashemipour]]></surname>
<given-names><![CDATA[Samane]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abolfazl Suratgar]]></surname>
<given-names><![CDATA[Amir]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hoseini]]></surname>
<given-names><![CDATA[Hamid]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Arak A. University Department of Electrical Engineering ]]></institution>
<addr-line><![CDATA[Arak ]]></addr-line>
<country>Iran</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Arak A. University Department of Electrical Engineering ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Amirkabir University of Technology Department of Electrical Engineering ]]></institution>
<addr-line><![CDATA[Tehran ]]></addr-line>
<country>Iran</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Arak A. University Department of Electrical Engineering ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2011</year>
</pub-date>
<volume>9</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232011000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232011000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232011000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[This paper presents a new method in order to reduce noise effect in an AC voltage reference source. The AC voltage reference source is implemented on MEMS technology. It uses capacitive MEMS technology. The reference is based on the characteristic AC current-voltage curve MEMS component. The multilayer neural network is used. The neural network (NN) uses the Levenberg-Marquardt (LM) method for training. The noise effect on an electronic circuit is investigated. The simulation results are very promising.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[El presente trabajo presenta un método nuevo para reducir el efecto de ruido en una referencia de fuente de voltaje de AC. La referencia de fuente de voltaje se implementa mediante tecnología MEMS; emplea tecnología capacitiva MEMS. La referencia se basa en la curva de corriente-voltaje de CA característica del componente MEMS. Se utiliza la red neuronal multicapas. La red neuronal (RN) usa el método Levenberg-Marquardt (LM) con fines de experimentación. Asimismo se investiga el efecto de ruido en un circuito electrónico. Los resultados de simulación son muy prometedores.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[AC voltage reference source noise effect reduction]]></kwd>
<kwd lng="en"><![CDATA[MEMS]]></kwd>
<kwd lng="en"><![CDATA[Neural Network]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>Noise Effect Reduction on a MEMS Based AC Voltage Reference Source Using Artificial Neural Network</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Samane Sadat Hashemipour<sup>1</sup>, Amir Abolfazl Suratgar<sup>2,3</sup>*, Hamid Hoseini<sup>4</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>1</sup> M.Sc. Student, Department of Electrical Engineering, Arak A. University, Arak, Iran.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2</sup> Assistant Professor, Department of Electrical Engineering, Arak University, Arak, Iran.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>3</sup> Assistant Professor, Department of Electrical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran. *E&#150;mail: </i><a href="mailto:a&#150;suratgar@araku.ac.ir">a&#150;suratgar@araku.ac.ir</a>, <i>TEL: +98&#150;861&#150;223&#150;2813, FAX:+98&#150;861&#150;222&#150;5946.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>4</sup> Assistant Professor, Department of Electrical Engineering, Arak A. University, Arak, Iran.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>ABSTRACT</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">This paper presents a new method in order to reduce noise effect in an AC voltage reference source. The AC voltage reference source is implemented on MEMS technology. It uses capacitive MEMS technology. The reference is based on the characteristic AC current&#150;voltage curve MEMS component. The multilayer neural network is used. The neural network (NN) uses the Levenberg&#150;Marquardt (LM) method for training. The noise effect on an electronic circuit is investigated. The simulation results are very promising.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> <i>AC voltage reference source noise effect reduction, </i>MEMS, Neural Network.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>RESUMEN</b></font></p>     <p align="justify"><font face="verdana" size="2">El presente trabajo presenta un m&eacute;todo nuevo para reducir el efecto de ruido en una referencia de fuente de voltaje de AC. La referencia de fuente de voltaje se implementa mediante tecnolog&iacute;a MEMS; emplea tecnolog&iacute;a capacitiva MEMS. La referencia se basa en la curva de corriente&#150;voltaje de CA caracter&iacute;stica del componente MEMS. Se utiliza la red neuronal multicapas. La red neuronal (RN) usa el m&eacute;todo Levenberg&#150;Marquardt (LM) con fines de experimentaci&oacute;n. Asimismo se investiga el efecto de ruido en un circuito electr&oacute;nico. Los resultados de simulaci&oacute;n son muy prometedores.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/jart/v9n1/v9n1a4.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b><i>References</i></b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;1&#93;&nbsp;M. Suhonen, H. Sepp&auml;, A.S. Oja, M. Heinil&auml;, and I. N&auml;kki, AC and DC Voltage Standards Based on Silicon Micromechanics, CPEM'98 Conf. 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