{"id":7018,"date":"2021-10-28T10:24:13","date_gmt":"2021-10-28T09:24:13","guid":{"rendered":"https:\/\/l2ep.univ-lille.fr\/?p=7018"},"modified":"2021-10-28T10:24:44","modified_gmt":"2021-10-28T09:24:44","slug":"seminaire-jeunes-chercheurs-et-chercheuses-19-nov-2021","status":"publish","type":"post","link":"https:\/\/l2ep.univ-lille.fr\/en\/seminaire-jeunes-chercheurs-et-chercheuses-19-nov-2021\/","title":{"rendered":"S\u00e9minaire Jeunes Chercheurs et Chercheuses, 19 nov. 2021"},"content":{"rendered":"<div style=\"width: 700px; margin: auto;\">\n<p style=\"text-align: center;\"><strong><span style=\"color: #f07e1c;\">Vendredi 19 novembre 2021, 14h<\/span><\/strong><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"color: #f07e1c;\">Salle Atrium, ESPRIT<\/span><\/strong><\/p>\n<p><strong><span style=\"color: #f07e1c;\">Programme :<\/span><\/strong><\/p>\n<ul>\n<li><strong><span style=\"color: #f07e1c;\">Th\u00e9o Delagnes, doctorant OMN-EDF<\/span><\/strong>\n<p><span style=\"color: #f07e1c;\">Applications de m\u00e9thodes de classification : r\u00e9duction de mod\u00e8le \u00e9l\u00e9ments finis d\u2019une machine asynchrone, traitement d\u2019images pour s\u00e9rigraphie.<\/span><\/p>\n<p>La r\u00e9duction de mod\u00e8le permet de passer d\u2019un mod\u00e8le \u00e9l\u00e9ments finis (EF) complet \u00e0 un mod\u00e8le \u00e9quivalent plus rapide \u00e0 calculer et qui garde la majeure partie de l\u2019information.<br \/>\nCette approche est particuli\u00e8rement int\u00e9ressante pour mod\u00e9liser une machine asynchrone avec prise en compte du mouvement du rotor, et des non lin\u00e9arit\u00e9s du mat\u00e9riau magn\u00e9tique.<br \/>\nLa construction du mod\u00e8le r\u00e9duit s\u2019appuie sur l\u2019expression des r\u00e9sultats EF dans un espace vectoriel r\u00e9duit, \u00e0 l\u2019aide d\u2019une base. La base est d\u00e9termin\u00e9e gr\u00e2ce \u00e0 des m\u00e9thodes de classification ou de d\u00e9composition, qui cherchent \u00e0 garder le maximum d\u2019\u00e9nergie avec le minimum de dimensions.<br \/>\nParmi les plus connues la Centroidal Voronoi Tessalation (CVT), appel\u00e9e aussi k-means algorithm, est assez intuitive. Afin d\u2019expliquer la m\u00e9thode, un exemple simple issu de la s\u00e9rigraphie (d\u00e9composition d\u2019une image en 4 sous-images de couleurs Cyan, Magenta, Jaune Noir (CMJN)), sera utilis\u00e9 lors de ce s\u00e9minaire.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Vendredi 19 novembre 2021, 14h Salle Atrium, ESPRIT Programme : Th\u00e9o Delagnes, doctorant OMN-EDF Applications de m\u00e9thodes de classification : r\u00e9duction de mod\u00e8le \u00e9l\u00e9ments finis d\u2019une machine asynchrone, traitement d\u2019images pour s\u00e9rigraphie. La r\u00e9duction de mod\u00e8le permet de passer d\u2019un mod\u00e8le \u00e9l\u00e9ments finis (EF) complet \u00e0 un mod\u00e8le \u00e9quivalent plus rapide \u00e0 calculer et qui [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[43,37],"tags":[],"_links":{"self":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/7018"}],"collection":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/comments?post=7018"}],"version-history":[{"count":2,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/7018\/revisions"}],"predecessor-version":[{"id":7020,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/7018\/revisions\/7020"}],"wp:attachment":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/media?parent=7018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/categories?post=7018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/tags?post=7018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}