<?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>1405-5546</journal-id>
<journal-title><![CDATA[Computación y Sistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Comp. y Sist.]]></abbrev-journal-title>
<issn>1405-5546</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Investigación en Computación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-55462014000200013</article-id>
<article-id pub-id-type="doi">10.13053/CyS-18-2-2014-040</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen]]></article-title>
<article-title xml:lang="es"><![CDATA[Seguimiento de trayectorias para sincronización de caos vía ley de control PI entre Roosler-Chen]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perez Padron]]></surname>
<given-names><![CDATA[Joel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perez Padron]]></surname>
<given-names><![CDATA[Jose Paz]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez Ramirez]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Hernandez]]></surname>
<given-names><![CDATA[Angel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Físico-Matemáticas ]]></institution>
<addr-line><![CDATA[Monterrey ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2014</year>
</pub-date>
<volume>18</volume>
<numero>2</numero>
<fpage>399</fpage>
<lpage>407</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-55462014000200013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-55462014000200013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-55462014000200013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[This paper presents an application of adaptive neural networks based on a dynamic neural network to trajectory tracking of unknown nonlinear plants. The main methodologies on which the approach is based are recurrent neural networks and Lyapunov function methodology and Proportional-Integral (PI) control for nonlinear systems. The proposed controller structure is composed of a neural identifier and a control law defined by using the PI approach. The new control scheme is applied via simulations to Chaos Synchronization. Experimental results have shown the usefulness of the proposed approach for Chaos Production. To verify the analytical results, an example of a dynamical network is simulated and a theorem is proposed to ensure tracking of the nonlinear system.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Este artículo presenta la aplicación de redes neuronales adaptables, basada sobre una red neuronal dinámica, para seguimiento de trayectorias de plantas no lineales desconocidas. La principal metodología, sobre el cual la aproximación es basada, son redes neuronales recurrentes, metodología de las funciones de Lyapunov y control Proporcional-Integral (PI) para sistemas no lineales. La estructura del controlador propuesto es compuesta de un identificador neuronal y una ley de control definida usando la aproximación PI. El nuevo esquema de control es aplicado vía simulación para sincronización de caos. Resultados experimentales han mostrado la utilidad del enfoque propuesto para la producción de caos. Para verificar el resultado analítico, un ejemplo de una red dinámica es simulado y un teorema es propuesto para asegurar el seguimiento del sistema no lineal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dynamic neural networks]]></kwd>
<kwd lng="en"><![CDATA[chaos production]]></kwd>
<kwd lng="en"><![CDATA[chaos synchronization]]></kwd>
<kwd lng="en"><![CDATA[trajectory tracking]]></kwd>
<kwd lng="en"><![CDATA[Lyapunov function stability]]></kwd>
<kwd lng="en"><![CDATA[PI control]]></kwd>
<kwd lng="es"><![CDATA[Red neuronal dinámica]]></kwd>
<kwd lng="es"><![CDATA[producción de caos]]></kwd>
<kwd lng="es"><![CDATA[sincronización de caos]]></kwd>
<kwd lng="es"><![CDATA[seguimiento de trayectorias]]></kwd>
<kwd lng="es"><![CDATA[estabilidad de funciones de Lyapunov]]></kwd>
<kwd lng="es"><![CDATA[control PI]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Art&iacute;culos regulares</font></p>      <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="4"><b>Trajectory Tracking for Chaos Synchronization via PI Control Law</b> <b>between Roosler&#45;Chen</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="3"><b>Seguimiento de trayectorias para sincronizaci&oacute;n de caos v&iacute;a ley de control PI entre Roosler&#45;Chen</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>Joel Perez Padron, Jose Paz Perez Padron, Francisco Rodriguez Ramirez, and Angel Flores Hernandez</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>Facultad de Ciencias F&iacute;sico&#45;Matem&aacute;ticas, Universidad Aut&oacute;noma de Nuevo Le&oacute;n (UANL),</i> <i>Monterrey, Mexico.</i> <a href="mailto:joelperezp@yahoo.com">joelperezp@yahoo.com</a>, <a href="mailto:josepazp@gmail.com">josepazp@gmail.com</a>, <a href="mailto:francisco_rdz_rmz@hotmail.com">francisco_rdz_rmz@hotmail.com</a></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>  	    <p align="justify"><font face="verdana" size="2">This paper presents an application of adaptive neural networks based on a dynamic neural network to trajectory tracking of unknown nonlinear plants. The main methodologies on which the approach is based are recurrent neural networks and Lyapunov function methodology and Proportional&#45;Integral (PI) control for nonlinear systems. The proposed controller structure is composed of a neural identifier and a control law defined by using the PI approach. The new control scheme is applied via simulations to Chaos Synchronization. Experimental results have shown the usefulness of the proposed approach for Chaos Production. To verify the analytical results, an example of a dynamical network is simulated and a theorem is proposed to ensure tracking of the nonlinear system.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Dynamic neural networks, chaos production, chaos synchronization, trajectory tracking, Lyapunov function stability, PI control.</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">Este art&iacute;culo presenta la aplicaci&oacute;n de redes neuronales adaptables, basada sobre una red neuronal din&aacute;mica, para seguimiento de trayectorias de plantas no lineales desconocidas. La principal metodolog&iacute;a, sobre el cual la aproximaci&oacute;n es basada, son redes neuronales recurrentes, metodolog&iacute;a de las funciones de Lyapunov y control Proporcional&#45;Integral (PI) para sistemas no lineales. La estructura del controlador propuesto es compuesta de un identificador neuronal y una ley de control definida usando la aproximaci&oacute;n PI. El nuevo esquema de control es aplicado v&iacute;a simulaci&oacute;n para sincronizaci&oacute;n de caos. Resultados experimentales han mostrado la utilidad del enfoque propuesto para la producci&oacute;n de caos. Para verificar el resultado anal&iacute;tico, un ejemplo de una red din&aacute;mica es simulado y un teorema es propuesto para asegurar el seguimiento del sistema no lineal.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Red neuronal din&aacute;mica, producci&oacute;n de caos, sincronizaci&oacute;n de caos, seguimiento de trayectorias, estabilidad de funciones de Lyapunov, control PI.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/cys/v18n2/v18n2a13.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>References</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2"><b>1. Gupta, M.M. &amp; Rao, D.H. (Eds.) (1994).</b> <i>Neuro&#45;Control Systems, Theory and Applications.</i> IEEE Press, Piscataway, N.J., USA.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2066139&pid=S1405-5546201400020001300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2"><b>2. Hunt, G.I. &amp; Warwick, K. (Eds.) (1995).</b> <i>Neural Networks Engineering in Dynamic Control Systems.</i> Springer Verlang, New York, USA.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2066141&pid=S1405-5546201400020001300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2"><b>3. Poznyak, A.S., Yu, W., Sanchez, E.N., &amp; Perez, J.P. (1999).</b> Nonlinear adaptive trajectory tracking using dynamic neural networks. <i>IEEE Trans. on Neural Networks,</i> 10(6), 1402&#45;1411.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2066143&pid=S1405-5546201400020001300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2"><b>4. Narendra, K.S. &amp; Parthasarathy, K. (1990).</b> Identification and control of dynamical systems using neural networks. <i>IEEE Trans. on Neural Networks,</i> 1(1), pp. 4&#45;27.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2066145&pid=S1405-5546201400020001300004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    ]]></body>
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