<?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>1409-2433</journal-id>
<journal-title><![CDATA[Revista de Matemática Teoría y Aplicaciones]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mat]]></abbrev-journal-title>
<issn>1409-2433</issn>
<publisher>
<publisher-name><![CDATA[Centro de Investigaciones en Matemática Pura y Aplicada (CIMPA) y Escuela de Matemática, San José, Costa Rica.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-24332016000100111</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[SC: a novel fuzzy criterion for solving engineering and constrained optimization problems]]></article-title>
<article-title xml:lang="es"><![CDATA[SC: un nuevo criterio difuso para resolver problemas de ingeniería y de optimización con restricciones]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[De-Los-Cobos-Silva]]></surname>
<given-names><![CDATA[Sergio G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Andrade]]></surname>
<given-names><![CDATA[Miguel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rincón-García]]></surname>
<given-names><![CDATA[Eric A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Velázquez]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora-Gutiérrez]]></surname>
<given-names><![CDATA[Roman A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ponsich]]></surname>
<given-names><![CDATA[Antonin S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Iztapalapa  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Iztapalapa  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Azcapotzalco  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Iztapalapa  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Azcapotzalco  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Azcapotzalco  ]]></institution>
<addr-line><![CDATA[ México D.F.]]></addr-line>
<country>MX</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>23</volume>
<numero>1</numero>
<fpage>111</fpage>
<lpage>142</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-24332016000100111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-24332016000100111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-24332016000100111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[AbstractIn this paper a novel fuzzy convergence system (SC) and its fundamentals are presented. The model was implemented on a monoobjetive PSO algorithm with three phases: 1) Stabilization, 2) generation and breadthfirst search, and 3) generation and depth-first. The system SC-PSO-3P was tested with several benchmark engineering problems and with several CEC2006 problems. The computing experience and comparison with previously reported results is presented. In some cases the results reported in the literature are improved.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[ResumenEn este trabajo se presenta un novedoso sistema de convergencia (SC), sus fundamentos y la experiencia computacional. Se implementó en un algoritmo PSO monoobjetivo de tres fases: Estabilización, generación y búsqueda en amplitud, generación y búsqueda a profundidad, el cual se probó con diversos problemas benchmark tanto de ingeniería como de la serie CEC2006. La experiencia computacional y la comparación con resultados previamente reportados se presenta. En algunos casos, se mejoran los resultados de la literatura.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[particle swarm optimization (PSO)]]></kwd>
<kwd lng="en"><![CDATA[optimization]]></kwd>
<kwd lng="es"><![CDATA[optimización por enjambres de partículas]]></kwd>
<kwd lng="es"><![CDATA[optimización]]></kwd>
</kwd-group>
</article-meta>
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