<?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>S1665-64232009000300001</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Jerk analysis of a module of an artificial spine by means of screw theory]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallardo-Alvarado]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lesso-Arroyo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Department of Mechanical Engineering Instituto Tecnológico de Celaya ]]></institution>
<addr-line><![CDATA[ GTO]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<volume>7</volume>
<numero>3</numero>
<fpage>249</fpage>
<lpage>257</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232009000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232009000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232009000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this work, a novel parallel manipulator is introduced with the purpose of simulating the jerk analysis of the end of the spine. The displacement analysis is presented in a semi-closed form solution whereas the velocity, acceleration and jerk analyses are carried out by means of the theory of screws.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo se introduce un manipulador paralelo novedoso con el propósito de simular el análisis de pulso de la columna vertebral. El análisis de posición se presenta en forma semi cerrada, mientras que los análisis de velocidad, aceleración y pulso son realizados por medio de la teoría de tornillos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Parallel manipulator]]></kwd>
<kwd lng="en"><![CDATA[spine]]></kwd>
<kwd lng="en"><![CDATA[screw theory]]></kwd>
<kwd lng="en"><![CDATA[jerk analysis]]></kwd>
<kwd lng="en"><![CDATA[kinematics]]></kwd>
<kwd lng="es"><![CDATA[Predicción lineal]]></kwd>
<kwd lng="es"><![CDATA[servo control visual]]></kwd>
<kwd lng="es"><![CDATA[seguimiento]]></kwd>
<kwd lng="es"><![CDATA[visión estéreo]]></kwd>
<kwd lng="es"><![CDATA[calibración de cámaras]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Jerk analysis of a module of an artificial spine by means of screw theory</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>J. Gallardo&#150;Alvarado*, R. Lesso&#150;Arroyo</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>Department of Mechanical Engineering, INSTITUTO TECNOL&Oacute;GICO DE CELAYA Av. Tecnol&oacute;gico y A. Garc&iacute;a Cubas, 38010 Celaya, GTO, M&eacute;xico</i>. <sup>*</sup><a href="mailto:gjaime@itc.mx">gjaime@itc.mx</a>, <a href="mailto:rlesso@itc.mx">rlesso@itc.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">In this work, a novel parallel manipulator is introduced with the purpose of simulating the jerk analysis of the end of the spine. The displacement analysis is presented in a semi&#150;closed form solution whereas the velocity, acceleration and jerk analyses are carried out by means of the theory of screws.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Parallel manipulator, spine, screw theory, jerk analysis, kinematics.</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">En este trabajo se introduce un manipulador paralelo novedoso con el prop&oacute;sito de simular el an&aacute;lisis de pulso de la columna vertebral. El an&aacute;lisis de posici&oacute;n se presenta en forma semi cerrada, mientras que los an&aacute;lisis de velocidad, aceleraci&oacute;n y pulso son realizados por medio de la teor&iacute;a de tornillos.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Predicci&oacute;n lineal, servo control visual, seguimiento, visi&oacute;n est&eacute;reo, calibraci&oacute;n de c&aacute;maras.</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/v7n3/v7n3a1.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; Morasso, P. Spatial control arm movements. Exp. Brain Res., Vol. 42, pp. 223&#150;227 (1981).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4821946&pid=S1665-6423200900030000100001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    ]]></body>
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