{"id":36810,"date":"2024-11-01T08:04:43","date_gmt":"2024-11-01T07:04:43","guid":{"rendered":"https:\/\/www.electrosuisse.ch\/?p=36810"},"modified":"2024-11-06T13:52:14","modified_gmt":"2024-11-06T12:52:14","slug":"3d-crashtests","status":"publish","type":"post","link":"https:\/\/www.electrosuisse.ch\/fr\/3d-crashtests\/","title":{"rendered":"Technique de mesure 3D innovante pour les crash-tests"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<strong>Avec le syst\u00e8me goCRASH3D, le Fraunhofer IOF a d\u00e9velopp\u00e9 une technologie r\u00e9volutionnaire pour les crash-tests. Ce syst\u00e8me est le premier \u00e0 \u00eatre capable d\u2019enregistrer des donn\u00e9es 3D \u00e0 l&#8217;int\u00e9rieur des v\u00e9hicules pendant l&#8217;impact et montre avec pr\u00e9cision les d\u00e9formations et les mouvements des composants. Ce d\u00e9veloppement n&#8217;offre pas seulement de nouvelles possibilit\u00e9s au secteur automobile pour les tests de s\u00e9curit\u00e9, mais pourrait \u00e9galement trouver des applications dans d&#8217;autres domaines tels que la m\u00e9decine sportive.<\/strong><\/p>\n<p>Depuis plus de dix ans, l&#8217;Institut Fraunhofer d&#8217;optique appliqu\u00e9e et de m\u00e9canique de pr\u00e9cision (IOF) d\u00e9veloppe des syst\u00e8mes d&#8217;acquisition de donn\u00e9es 3D \u00e0 grande vitesse. goCRASH3D, le plus r\u00e9cent, est sp\u00e9cialement con\u00e7u pour enregistrer les d\u00e9formations d&#8217;un v\u00e9hicule lors d&#8217;un crash-test. Il utilise une technique d&#8217;\u00e9clairage sp\u00e9ciale, adapt\u00e9e de la sc\u00e9notechnique, pour g\u00e9n\u00e9rer un signal sinuso\u00efdal pr\u00e9cis et non p\u00e9riodique. Combin\u00e9 \u00e0 deux cam\u00e9ras \u00e0 haute vitesse et \u00e0 un ordinateur, il permet de calculer une image 3D pr\u00e9cise des objets en mouvement.<\/p>\n<p>Ce syst\u00e8me permet de voir des zones du v\u00e9hicule difficiles d&#8217;acc\u00e8s telles que l&#8217;espace pour les pieds ou les zones cach\u00e9es derri\u00e8re les airbags. Cette nouvelle technique a \u00e9t\u00e9 d\u00e9velopp\u00e9e et test\u00e9e en collaboration avec l&#8217;industrie automobile afin d\u2019am\u00e9liorer les tests de s\u00e9curit\u00e9. L&#8217;\u00e9clairage constitue ici un \u00e9l\u00e9ment d\u00e9terminant\u00a0: une LED de 15&#8217;000 lux permet d&#8217;atteindre une vitesse d&#8217;enregistrement allant jusqu&#8217;\u00e0 12&#8217;000 images par seconde en haute r\u00e9solution. Les composants sont mont\u00e9s dans un cadre r\u00e9sistant aux chocs, qui supporte les acc\u00e9l\u00e9rations extr\u00eames auxquelles est soumis l&#8217;int\u00e9rieur du v\u00e9hicule.<\/p>\n<p><em>Plus d&#8217;informations sur:<\/em><br \/>\n<em><a href=\"https:\/\/idw-online.de\/de\/news840150\" target=\"_blank\" rel=\"noopener\">https:\/\/idw-online.de\/de\/news840150<\/a><\/em>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]Avec le syst\u00e8me goCRASH3D, le Fraunhofer IOF a d\u00e9velopp\u00e9 une technologie r\u00e9volutionnaire pour les crash-tests. Ce syst\u00e8me est le premier \u00e0 \u00eatre capable d\u2019enregistrer des donn\u00e9es 3D \u00e0 l&#8217;int\u00e9rieur des v\u00e9hicules pendant l&#8217;impact et montre avec pr\u00e9cision les d\u00e9formations et les mouvements des composants. Ce d\u00e9veloppement n&#8217;offre pas seulement de nouvelles possibilit\u00e9s au secteur [&hellip;]<\/p>\n","protected":false},"author":38,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[44],"tags":[257],"class_list":["post-36810","post","type-post","status-publish","format-standard","hentry","category-non-classifie","tag-mobilite-infrastructure"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.4 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Technique de mesure 3D innovante pour les crash-tests<\/title>\n<meta name=\"description\" content=\"goCRASH3D permet de prendre des photos en 3D dans le v\u00e9hicule lors des 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