<?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>0121-750X</journal-id>
<journal-title><![CDATA[Ingeniería]]></journal-title>
<abbrev-journal-title><![CDATA[ing.]]></abbrev-journal-title>
<issn>0121-750X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Distrital Francisco José de Caldas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-750X2021000100025</article-id>
<article-id pub-id-type="doi">10.14483/23448393.16719</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diseño de un controlador lineal cuadrático gaussiano y un controlador autosintonizado por asignación de polos para el control del voltaje de un generador CD]]></article-title>
<article-title xml:lang="en"><![CDATA[Design of a Linear Quadratic Gaussian Controller and a Self-Tuning Regulator Based on Pole Placement to Control the Voltage of a DC Generator]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Jaimes]]></surname>
<given-names><![CDATA[Luis Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piedrahíta Flórez]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Politécnico Colombiano JIC Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Politécnico Colombiano JIC Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>26</volume>
<numero>1</numero>
<fpage>25</fpage>
<lpage>40</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-750X2021000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-750X2021000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-750X2021000100025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Contexto:  En este artículo se presenta el diseño de un controlador lineal cuadrático gaussiano para regular el voltaje de un generador CD y se compara su desempeño con el de un regulador autoajustable sintonizado por asignación de polos.  Método:  Para implementar estas estrategias de control, se utiliza el prototipo de un generador CD y se obtiene el modelo matemático del sistema utilizando identificación no paramétrica, se presentan las bases teóricas y el diseño de las dos estrategias de control y se realiza la comparación del desempeño de los dos controladores utilizando métricas de la integral del error y respuesta temporal.  Resultados:  Las métricas de la integral del error y las de respuesta temporal muestran que, aunque el desempeño del controlador lineal cuadrático gaussiano es ligeramente superior al presentado por el controlador autoajustable por asignación de polos, con las dos estrategias de control las respuestas del sistema son estables, con buena velocidad de respuesta y error de estado estable igual a cero.  Conclusiones:  Las estrategias de control lineal cuadrático gaussiano y el control autosintonizado son una buena alternativa al control convencional y generan un adecuado control del proceso, acorde con los requerimientos del sistema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Context:  This paper presents the design of a Linear Quadratic Gaussian controller to regulate the voltage of a DC generator, and its performance is compared with that of a self-tuning regulator based on pole placement.  Method:  To implement these control strategies, a prototype DC generator is used, and the mathematical model of the system is obtained by means of non-parametric identification. The theoretical bases and the design of the two control strategies are presented, and the performance comparison of the two controllers is performed by using metrics from their integral error and time response.  Results:  Integral error and time response metrics show that, although the performance of the Linear Quadratic Gaussian controller is slightly higher than that presented by the self-tuning controller, system responses are stable with both control strategies, as well as with a good speed response and a steady-state error equal to zero.  Conclusions:  A Linear Quadratic Gaussian controller and self-tuned control strategies are a good alternative to conventional control and generate an adequate process control that is in line with system requirements.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Kalman filter]]></kwd>
<kwd lng="en"><![CDATA[LQR controller]]></kwd>
<kwd lng="en"><![CDATA[STR controller]]></kwd>
<kwd lng="en"><![CDATA[cost function]]></kwd>
<kwd lng="es"><![CDATA[filtro de Kalman]]></kwd>
<kwd lng="es"><![CDATA[controlador LQR]]></kwd>
<kwd lng="es"><![CDATA[controlador STR]]></kwd>
<kwd lng="es"><![CDATA[función de costo.]]></kwd>
</kwd-group>
</article-meta>
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