{"id":92976,"date":"2018-03-11T10:12:08","date_gmt":"2018-03-11T10:12:08","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/revision-critica-del-flickimetro-iec-una-nueva-estrategia-para-la-medida-del-flicker\/"},"modified":"2018-03-11T10:12:08","modified_gmt":"2018-03-11T10:12:08","slug":"revision-critica-del-flickimetro-iec-una-nueva-estrategia-para-la-medida-del-flicker","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/diseno-de-filtros\/revision-critica-del-flickimetro-iec-una-nueva-estrategia-para-la-medida-del-flicker\/","title":{"rendered":"Revision critica del flickimetro iec. una nueva estrategia para la medida del flicker"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Julio Gutierrez Ruiz <\/strong><\/h2>\n<p>El est\u00e1ndar iec 61000-4-15 establece un procedimiento de medida de la molestia provocada por el flicker, entendiendo \u00e9ste como el parpadeo de la luminosidad de las l\u00e1mparas producido por las fluctuaciones de su tensi\u00f3n de alimentaci\u00f3n.  El est\u00e1ndar especifica el modelado del conjunto l\u00e1mpara-ojo-cerebro en base a cinco bloques que caracterizan la molestia mediante el c\u00e1lculo de la severidad flicker.     en este trabajo se ha descubierto c\u00f3mo la escasez de requerimientos de precisi\u00f3n del flick\u00edmetro iec provoca discrepancias entre distintos flick\u00edmetros comerciales cuando son sometidos a las mismas se\u00f1ales reales. Adem\u00e1s, se ha demostrado que el bloque 1 provoca la falta de proporcionalidad entre la amplitud de las fluctuaciones de tensi\u00f3n y la severidad flicker, a pesar de que el propio est\u00e1ndar exige su cumplimiento. Por otra parte, mediante una extensa campa\u00f1a de medidas de campo se ha comprobado la falta de correlaci\u00f3n existente entre la ausencia de reclamaciones de clientes y los valores de severidad flicker. Un laboratorio de pruebas subjetivas ha permitido corroborar la desviaci\u00f3n existente entre la severidad flicker y la verdadera molestia evaluada por un grupo de personas ante fluctuaciones reales de caracter\u00edsticas no-uniformes. Mediante un exhaustivo an\u00e1lisis te\u00f3rico se ha demostrado c\u00f3mo el bloque 5 es el responsable de esa incorrecta evaluaci\u00f3n ante fluctuaciones no-uniformes.      esto ha impulsado el dise\u00f1o de una alternativa al actual flick\u00edmetro iec, denominado flick\u00edmetro gsc. \u00e9ste manteniene los requisitos de precisi\u00f3n establecidos por el est\u00e1ndar y solventa las deficiencias en la evaluaci\u00f3n de la molestia. Tanto su aplicaci\u00f3n a se\u00f1ales reales como las pruebas realizadas en laboratorio permiten concluir que el flick\u00edmetro gsc presenta indicios de una evaluaci\u00f3n de la molestia m\u00e1s acorde con la percepci\u00f3n experimentada por las personas sometidas al flicker, que la que realiza el flick\u00edmetro iec.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Revision critica del flickimetro iec. una nueva estrategia para la medida del flicker<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Revision critica del flickimetro iec. una nueva estrategia para la medida del flicker <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Julio Gutierrez Ruiz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/04\/2009<\/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>Jes\u00fas Mar\u00eda Ruiz Ojeda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julio Garcia mayordomo <\/li>\n<li>M\u00aa inmaculada Zamora belver (vocal)<\/li>\n<li>patricio Salmer\u00f3n revuelta (vocal)<\/li>\n<li>hortensia Amaris duarte (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Julio Gutierrez Ruiz El est\u00e1ndar iec 61000-4-15 establece un procedimiento de medida de la molestia provocada [&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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