<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2005000100010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Integración sensorial utilizando clasificación difusa en tareas de ensamblado en robótica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Muñoz]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[LLama Leal]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padilla Medina]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Tecnológico de Celaya  ]]></institution>
<addr-line><![CDATA[Celaya Gto.]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Tecnológico de la Laguna  ]]></institution>
<addr-line><![CDATA[Torreón Coah.]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2005</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2005</year>
</pub-date>
<volume>51</volume>
<numero>1</numero>
<fpage>64</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2005000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2005000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2005000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se han desarrollado algunas propuestas para la automatización de tareas de ensamblado con robots. Sin embargo, casi todas enfrentan el mismo problema: la necesidad de identificar la situación de contactos actual a partir de la información sensorial. La confiabilidad de las tareas de ensamblado con manipuladores robóticos es afectada por la incertidumbre. El conocimiento de las fuerzas de reacción es complemento natural de la información de configuración geométrica en presencia de incertidumbre, ya que implican una restricción en el espacio de configuraciones del robot. Las técnicas de integración sensorial tienen como objetivo combinar la información de diversos sensores para construir y actualizar un modelo del entorno que permita alcanzar una meta determinada. En este trabajo se presenta una propuesta de integración sensorial, basada en técnicas de clasificación difusa, que utiliza el conocimiento de la configuración del robot y las fuerzas generalizadas de reacción, considerando la incertidumbre de modelado y sensado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Some approaches to the automation of assembly tasks with robots have been proposed. However, nearly all of them face the same problem: the need of identifying the current contact situation from sensory data. The confidence of assembly tasks with robotic manipulators is affected by uncertainty. The knowledge of the generalized reaction force is the natural complement to configuration information in the presence of geometric uncertainty, since a reaction force indicates a constraint in Configuration Space. Sensorial integration techniques have as objective to use information provided for several sensors to build and update a world model in order to achieve a goal. In this paper we present an approach to multisensory integration based on fuzzy c-means clustering algorithm for detection and identification of states during a dexterous manipulation task in robotics, considering modeling and sensing uncertainties.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Identificación de estados]]></kwd>
<kwd lng="es"><![CDATA[clasificación difusa]]></kwd>
<kwd lng="es"><![CDATA[manipulación diestra]]></kwd>
<kwd lng="en"><![CDATA[State identification]]></kwd>
<kwd lng="en"><![CDATA[fuzzy clustering]]></kwd>
<kwd lng="en"><![CDATA[dexterous manipulation]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="4"><b>Integraci&oacute;n sensorial utilizando clasificaci&oacute;n difusa en tareas de ensamblado en rob&oacute;tica</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>J.A. Garc&iacute;a Mu&ntilde;oz<sup>a</sup>, M.A. LLama Leal<sup>b</sup> y J.A. Padilla Medina<sup>a</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>a</sup> Instituto Tecnol&oacute;gico de Celaya, Av. Tecnol&oacute;gico y A. Garc&iacute;a Cubas, 38010, Celaya, Gto.</i></font></p>  	    <p align="justify"><font face="verdana" size="2"><i><sup>b</sup>Instituto Tecnologico de la Laguna, Blvd. Revoluci&oacute;n y Czda. Cuauht&eacute;moc, 27000, Torre&oacute;n, Coah.</i></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Recibido el 1 de abril de 2004;    <br> 	aceptado el 17 de mayo de 2004</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">Se han desarrollado algunas propuestas para la automatizaci&oacute;n de tareas de ensamblado con robots. Sin embargo, casi todas enfrentan el mismo problema: la necesidad de identificar la situaci&oacute;n de contactos actual a partir de la informaci&oacute;n sensorial. La confiabilidad de las tareas de ensamblado con manipuladores rob&oacute;ticos es afectada por la incertidumbre. El conocimiento de las fuerzas de reacci&oacute;n es complemento natural de la informaci&oacute;n de configuraci&oacute;n geom&eacute;trica en presencia de incertidumbre, ya que implican una restricci&oacute;n en el espacio de configuraciones del robot. Las t&eacute;cnicas de integraci&oacute;n sensorial tienen como objetivo combinar la informaci&oacute;n de diversos sensores para construir y actualizar un modelo del entorno que permita alcanzar una meta determinada. En este trabajo se presenta una propuesta de integraci&oacute;n sensorial, basada en t&eacute;cnicas de clasificaci&oacute;n difusa, que utiliza el conocimiento de la configuraci&oacute;n del robot y las fuerzas generalizadas de reacci&oacute;n, considerando la incertidumbre de modelado y sensado.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Descriptores:</b> Identificaci&oacute;n de estados; clasificaci&oacute;n difusa; manipulaci&oacute;n diestra.</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">Some approaches to the automation of assembly tasks with robots have been proposed. However, nearly all of them face the same problem: the need of identifying the current contact situation from sensory data. The confidence of assembly tasks with robotic manipulators is affected by uncertainty. The knowledge of the generalized reaction force is the natural complement to configuration information in the presence of geometric uncertainty, since a reaction force indicates a constraint in Configuration Space. Sensorial integration techniques have as objective to use information provided for several sensors to build and update a world model in order to achieve a goal. In this paper we present an approach to multisensory integration based on fuzzy c&#45;means clustering algorithm for detection and identification of states during a dexterous manipulation task in robotics, considering modeling and sensing uncertainties.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> State identification; fuzzy clustering; dexterous manipulation.</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2">PACS: 07.07.Tw</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v51n1/v51n1a10.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>Agradecimientos</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Este proyecto ha sido financiado por el Consejo del Sistema Nacional de Educaci&oacute;n Tecnol&oacute;gica CoSNET seg&uacute;n convenio CoSNET 664.02&#45;P.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">1. 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