{"id":14944,"date":"2018-03-09T09:01:53","date_gmt":"2018-03-09T09:01:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/development-of-electronic-noses-pattern-recognition-algorithms\/"},"modified":"2018-03-09T09:01:53","modified_gmt":"2018-03-09T09:01:53","slug":"development-of-electronic-noses-pattern-recognition-algorithms","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/development-of-electronic-noses-pattern-recognition-algorithms\/","title":{"rendered":"Development of electronic noses: pattern recognition algorithms"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Arturo Ortega Mansilla <\/strong><\/h2>\n<p>La tesis versa sobre el desarrollo de algoritmos de procesado aplicados al desarrollo de narices electr\u00f3nicas basadas en sensores comerciales de bajo coste. Entre los alumnos alcanzados destacan:  1,- el desarrollo y validaci\u00f3n del funcionamiento de una estaci\u00f3n de test para sensores de gases.  2,- metodolog\u00eda para la selecci\u00f3n de sensores basada en herramientas de visualizaci\u00f3n y factores objetivos de calidad.  3,- sistemas de reconocimiento de patrones basados en algoritmos de k-nn (k-vecinos m\u00e1s pr\u00f3ximos) y matrices de sensores de \u00f3xido de esta\u00f1o. Los sistemas se han aplicado a la identificaci\u00f3n de gases de combusti\u00f3n.  4,- sistemas de reconocimiento de patrones basados en los mapas auto-organizados (som) y un proceso supervisado de etiquetado. Se ha evaluado y caracterizado el comportamiento de este tipo de sistemas frente al transitorio de la respusta de los sensores, lo que denota la gran robustez de la soluci\u00f3n dise\u00f1ada. Redes som de topolog\u00eda rectangular.  5,- las derivadas a largo plazo de los sensores se han tratado con sistemas est\u00e1ticos y adaptativos de reconocimiento de patrones.  6,- se han desarrollado dos m\u00e9todos noveles de reconocimiento de patrones que se adaptan a los clusters curvil\u00edneos presentes en las narices electr\u00f3nicas. el primer m\u00e9todo (som lineal) representan un cambio en la arquitectura de la red som y un nuevo uso de las conexiones entre las neuronas como prototipos. El segundo m\u00e9todo (som y minimum spanning tree-mst) facilita la recuperaci\u00f3n de la informaci\u00f3n contenida en la topolog\u00eda de la red som, que no se adapta a los clusters curvil\u00edneos. El algoritmo mst genera nuevas conexiones entre las neuronas para construir prototipos curvil\u00edneos en base a segmentos lineales.  7,- la funci\u00f3n de pertenencia fuzzy se ha incorporado a la salida de los nuevos sistemas, lo que supone una mejora notable de los sistemas de reconocimiento de patrones. De este modo, los clasificadores pued<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Development of electronic noses: pattern recognition algorithms<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Development of electronic noses: pattern recognition algorithms <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Arturo Ortega Mansilla <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/12\/2001<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Santiago Marco Col\u00e1s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: javier Gutierrez monreal <\/li>\n<li>jacques Nicolas (vocal)<\/li>\n<li>eduard Llobet valero (vocal)<\/li>\n<li>Jos\u00e9 Antonio De saja s\u00e1ez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Arturo Ortega Mansilla La tesis versa sobre el desarrollo de algoritmos de procesado aplicados al desarrollo de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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