<?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>S1665-64232008000200002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Dynamic Fuzzy Logic Functor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Silva]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garcés-Madrigal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miranda-Vitela]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Rosano]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Ciencias Aplicadas y Desarrollo Tecnológico ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2008</year>
</pub-date>
<volume>6</volume>
<numero>2</numero>
<fpage>84</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232008000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232008000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232008000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[This is a fuzzy logical element from which we can generate all the fuzzy connectives as particular cases of it. This functor was a result of the frequency threshold dependent fuzzy logic. We will show that fuzzy logic connectives are generated by a defined group of inputs from this fuzzy functor as dependence of frequency threshold. If we apply time varying signals to the functor, we will see that the responses of the functor depend on the concordances of the input signals and the frequency threshold value. The value of the logical functor threshold can be a time dependent function in such a way that, when varying the threshold, the form that the functor takes as logical connective changes for each time dependent threshold function value in time. In this work we will define the logical functor, we will show its logical operation procedure and we will show the electronic circuit in which a functional model was implanted.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Este es un elemento lógico borroso a partir del cual podemos generar todos los conectivos lógicos borrosos como casos particulares de él. Mostraremos que los conectivos de la lógica borrosa se generan, para un conjunto definido de entradas, a partir de este functor borroso como una dependencia del umbral de frecuencia. Si al functor le aplicamos señales variantes en el tiempo veremos que las respuestas del functor dependen de las concordancias de las señales de entrada con el valor del umbral de frecuencias. El valor de umbral del functor lógico puede ser una función dependiente del tiempo de forma tal que, al variar el umbral, la forma que cobra el functor como conectivo lógico está cambiando para cada valor de la función temporal del umbral en el tiempo. En este trabajo definiremos al functor lógico, mostraremos su forma de operación lógica y mostraremos el circuito electrónico en el que se implantó un modelo funcional.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Logic functors]]></kwd>
<kwd lng="en"><![CDATA[dynamic fuzzy logic]]></kwd>
<kwd lng="en"><![CDATA[threshold dependent fuzzy logic]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Dynamic Fuzzy Logic Functor</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>J. L. P&eacute;rez&#45;Silva, A. Garc&eacute;s&#45;Madrigal, A. Miranda&#45;Vitela, F. Lara&#45;Rosano</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>Centro de Ciencias Aplicadas y Desarrollo Tecnol&oacute;gico, Universidad Nacional Aut&oacute;noma de M&eacute;xico</i> <a href="mailto:pepito@aleph.ccadet.unam.mx">pepito@aleph.ccadet.unam.mx</a></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>  	    <p align="justify"><font face="verdana" size="2">This is a fuzzy logical element from which we can generate all the fuzzy connectives as particular cases of it. This functor was a result of the frequency threshold dependent fuzzy logic. We will show that fuzzy logic connectives are generated by a defined group of inputs from this fuzzy functor as dependence of frequency threshold. If we apply time varying signals to the functor, we will see that the responses of the functor depend on the concordances of the input signals and the frequency threshold value. The value of the logical functor threshold can be a time dependent function in such a way that, when varying the threshold, the form that the functor takes as logical connective changes for each time dependent threshold function value in time. In this work we will define the logical functor, we will show its logical operation procedure and we will show the electronic circuit in which a functional model was implanted.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Logic functors, dynamic fuzzy logic, threshold dependent fuzzy logic.</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>RESUMEN</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Este es un elemento l&oacute;gico borroso a partir del cual podemos generar todos los conectivos l&oacute;gicos borrosos como casos particulares de &eacute;l. Mostraremos que los conectivos de la l&oacute;gica borrosa se generan, para un conjunto definido de entradas, a partir de este functor borroso como una dependencia del umbral de frecuencia. Si al functor le aplicamos se&ntilde;ales variantes en el tiempo veremos que las respuestas del functor dependen de las concordancias de las se&ntilde;ales de entrada con el valor del umbral de frecuencias. El valor de umbral del functor l&oacute;gico puede ser una funci&oacute;n dependiente del tiempo de forma tal que, al variar el umbral, la forma que cobra el functor como conectivo l&oacute;gico est&aacute; cambiando para cada valor de la funci&oacute;n temporal del umbral en el tiempo. En este trabajo definiremos al functor l&oacute;gico, mostraremos su forma de operaci&oacute;n l&oacute;gica y mostraremos el circuito electr&oacute;nico en el que se implant&oacute; un modelo funcional.</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/v6n2/v6n2a2.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>REFERENCES</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;1&#93; J.L. P&eacute;rez, F. Lara, A. Miranda, A. Herrera, S. Quintana, M. Ba&ntilde;uelos, W. Mart&iacute;nez, J. Castillo, A. Padr&oacute;n, A. Garc&eacute;s. "Dinamic Fuzzy Sets". Advances in Artificial Intelligence and Engineering Cybernetics. Vol lII ISBN 0&#45;921836&#45;62&#45;7, Editor George E. Lasker. Published by International Institute for Advanced studies in Systems Research and Cybernetics. Pag. 39&#45;43. 1998.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4819807&pid=S1665-6423200800020000200001&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">&#91;2&#93; P&eacute;rez J.L., A. Miranda, A. Garc&eacute;s. "Time and Threshold Dependent Logic Operators" Advances in Artificial Intelligence and Engineering Cybernetics. Editor George E. Lasker. Published by International Institute for Advanced studies in Systems Research and Cybernetics. 1999, IX, pp 6&#45;10</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4819809&pid=S1665-6423200800020000200002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">&#91;3&#93; P&eacute;rez S. J.L., Lara F., Herrera A., Ba&ntilde;uelos M., Quintana S., Castillo J., Mart&iacute;nez W., Padr&oacute;n A., Garc&eacute;s A., Prieto R. <i>Dynamic Approximate Reasoning</i>. "Advances in Artificial Intelligence and Engineering Cybernetics" Editor George E. Lasker. Published by International Institute for Advanced studies in Systems Research and Cybernetics.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4819810&pid=S1665-6423200800020000200003&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">&#91;4&#93; J.L. P&eacute;rez S., A. Miranda, A. Garc&eacute;s, A. Herrera, S. Quintana, J. Castillo, M. Ba&ntilde;uelos, A. Padr&oacute;n, R. Prieto. An Electronic Implementation of Logic Functor. Instrumentation &amp; Development. 5 1 pp. 39&#45;47 2001</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4819812&pid=S1665-6423200800020000200004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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