{"id":1123,"date":"2007-12-07T20:13:25","date_gmt":"2007-12-07T18:13:25","guid":{"rendered":"http:\/\/staging.sillon38.com\/2007\/12\/07\/conduire-le-tracteur-sans-les-mains\/"},"modified":"2007-12-07T20:13:25","modified_gmt":"2007-12-07T18:13:25","slug":"conduire-le-tracteur-sans-les-mains","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2007\/12\/07\/conduire-le-tracteur-sans-les-mains\/","title":{"rendered":"Conduire le tracteur sans les mains\u2026"},"content":{"rendered":"<p>Les recherches sur le guidage automatique d\u2019engins agricoles ont permis le d\u00e9veloppement de nouveaux mod\u00e8les de comportement des v\u00e9hicules, capables d\u2019appr\u00e9hender des ph\u00e9nom\u00e8nes aussi complexes que les glissements. Ces r\u00e9sultats s\u2019appliquent aujourd\u2019hui au domaine de la s\u00e9curit\u00e9, rendant ainsi possible l\u2019\u00e9laboration de nouveaux syst\u00e8mes d\u2019assistance au conducteur contre le renversement des machines.<\/p>\n<p>Les agriculteurs ont aujourd\u2019hui la possibilit\u00e9 de conduire leur tracteur\u2026 sans les mains. Gr\u00e2ce aux syst\u00e8mes de guidage automatique, ils peuvent ainsi reporter leur attention sur d\u2019autres t\u00e2ches, telle que la surveillance du travail agronomique (\u00e9pandage, semis&#8230;). Cependant, en terrain accident\u00e9 ou incertain, le relief, les glissements et les modifications de l\u2019adh\u00e9rence pneu\/sol, alt\u00e8rent la pr\u00e9cision de ces dispositifs.<\/p>\n<p>Pour pallier ce probl\u00e8me, les chercheurs du Cemagref \u00e0 Clermont-Ferrand d\u00e9veloppent, en partenariat avec le LASMEA (laboratoire de sciences et des mat\u00e9riaux pour l&rsquo;\u00e9lectronique et l&rsquo;automatique)  et au sein de la F\u00e9d\u00e9ration de Recherche TIMS (technologies de l&rsquo;information, de la mobilit\u00e9 et de la s\u00fbret\u00e9), de nouveaux algorithmes d\u2019assistance int\u00e9grant ces nombreuses perturbations li\u00e9es aux propri\u00e9t\u00e9s du sol. Ces algorithmes permettent d\u2019\u00e9valuer en temps r\u00e9el les conditions d\u2019adh\u00e9rence, afin de les int\u00e9grer dans le contr\u00f4le des organes de direction. Une grande pr\u00e9cision est ainsi conserv\u00e9e, quelles que soient les conditions d\u2019\u00e9volution sur le terrain.<\/p>\n<blockquote><p>Or, les b\u00e9n\u00e9fices de ces avanc\u00e9es ne se limitent pas au contr\u00f4le de trajectoire. En effet, les conditions d\u2019adh\u00e9rence du sol sont \u00e9galement impliqu\u00e9es dans les risques de renversement des v\u00e9hicules agricoles l\u00e9gers (micro-tracteurs, quads\u2026), qu\u2019il convient de prendre en compte lors de la conception de dispositifs de s\u00e9curit\u00e9 active.<\/p><\/blockquote>\n<p>Des indicateurs de stabilit\u00e9, capables d\u2019anticiper en temps r\u00e9el des situations \u00e0 risques, sont ainsi test\u00e9s actuellement sur ce type de v\u00e9hicules. Ils permettront \u00e0 moyen terme de r\u00e9duire les risques d\u2019accident li\u00e9s \u00e0 leur utilisation.<\/p>\n<p>Le d\u00e9veloppement de ces algorithmes de contr\u00f4le intervient \u00e9galement dans le domaine de la localisation active, en vue d\u2019am\u00e9liorer la pr\u00e9cision et la robustesse des syst\u00e8mes GPS de navigation autonome.<\/p>\n<p><em>source: Cemagref<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les recherches sur le guidage automatique d\u2019engins agricoles ont permis le d\u00e9veloppement de nouveaux mod\u00e8les de comportement des v\u00e9hicules, capables d\u2019appr\u00e9hender des ph\u00e9nom\u00e8nes aussi complexes que les glissements. Ces r\u00e9sultats s\u2019appliquent aujourd\u2019hui au domaine de la s\u00e9curit\u00e9, rendant ainsi possible&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1123","post","type-post","status-publish","format-standard","hentry","category-agriculture"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Conduire le tracteur sans les mains\u2026 -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sillon38.com\/blog\/2007\/12\/07\/conduire-le-tracteur-sans-les-mains\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conduire le tracteur sans les mains\u2026 -\" \/>\n<meta property=\"og:description\" content=\"Les recherches sur le guidage automatique d\u2019engins agricoles ont permis le d\u00e9veloppement de nouveaux mod\u00e8les de comportement des v\u00e9hicules, capables d\u2019appr\u00e9hender des ph\u00e9nom\u00e8nes aussi complexes que les glissements. 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