{"id":51761,"date":"2025-12-18T17:54:50","date_gmt":"2025-12-18T17:54:50","guid":{"rendered":"https:\/\/www.africa-press.net\/benin\/politique\/un-robot-prehensible-inspire-des-plantes-grimpantes"},"modified":"2025-12-18T17:54:50","modified_gmt":"2025-12-18T17:54:50","slug":"un-robot-prehensible-inspire-des-plantes-grimpantes","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/benin\/toutes-les-actualites\/un-robot-prehensible-inspire-des-plantes-grimpantes","title":{"rendered":"Un robot pr\u00e9hensible inspir\u00e9 des plantes grimpantes"},"content":{"rendered":"<p><span class=\"ap-article-header-tag\">           <strong>Africa-Press &#8211; Benin. <\/strong>         <\/span>Une membrane de mate\u0301riau souple se de\u0301ploie peu a\u0300 peu en forme de tube, comme un collant qui se de\u0301roule, sous l\u2019effet de l\u2019air sous pression injecte\u0301 a\u0300 l\u2019inte\u0301rieur. C\u2019est le principe de base de ce que l\u2019on appelle les \u00ab\u00a0vine robots\u00a0\u00bb (robot vigne), inspire\u0301s des plantes grimpantes ou rampantes. Le concept est apparu en 2017 par le biais d\u2019un projet de l\u2019universite\u0301 Stanford (Etats-Unis) et a depuis e\u0301te\u0301 largement de\u0301cline\u0301 par la communaute\u0301 des roboticiens.<\/p>\n<p>Une e\u0301quipe de chercheurs en ge\u0301nie me\u0301canique issus de, justement, l\u2019universite\u0301 Stanford et du Massachusetts Institute of Technology (Etats-Unis), pre\u0301sente une nouvelle approche dans un article de la revue Science Advances en de\u0301cembre 2025.<\/p>\n<p><b>Syste\u0300me en boucle ferme\u0301e<\/b><\/p>\n<p>En effet, jusque-la\u0300, les robots vignes mis au point ont eu pour caracte\u0301ristique commune de se de\u0301ployer en longueur (au sol ou a\u0300 la verticale), recevant l\u2019injection d\u2019air par une extre\u0301mite\u0301 tandis que l\u2019autre extre\u0301mite\u0301 avait une fonction d\u2019exploration, comme la te\u0302te d\u2019un serpent. Dans ce nouveau projet, le tube forme au contraire une boucle en forme de U, comme un harnais, ferme\u0301e aux deux extre\u0301mite\u0301s pour soulever des objets (voir la de\u0301monstration vide\u0301o ci-dessous).<\/p>\n<p>Les chercheurs ont de\u0301veloppe\u0301 deux appareils, l\u2019un pour soulever de petits objets, l\u2019autre pour soulever de grosses charges. Les tubes du premier sont faits de plastique polye\u0301thyle\u0300ne. Ceux du second syste\u0300me sont en nylon ripstop recouvert d\u2019une membrane de polyure\u0301thane thermoplastique. Les uns et les autres ont e\u0301te\u0301 pre\u0301forme\u0301s de manie\u0300re a\u0300 ce que, lorsqu\u2019ils gonflent, ils ne se de\u0301ploient pas en ligne droite mais en demi-cercle. Ils e\u0301mergent d\u2019une base motorise\u0301e d\u2019ou\u0300 est insuffle\u0301 l\u2019air a\u0300 une extre\u0301mite\u0301, passent sous l\u2019objet a\u0300 saisir, puis reviennent au support de base ou\u0300 l\u2019autre extre\u0301mite\u0301 s\u2019inse\u0300re dans un logement. Un me\u0301canisme de fermeture scelle le tout, ce qui permet d\u2019emprisonner l\u2019objet puis de le soulever.<\/p>\n<p><b>Une balle, un vase et un corps humain<\/b><\/p>\n<p>Le syste\u0300me fonctionne selon plusieurs variantes, avec un ou plusieurs tubes. Il a pu saisir et de\u0301placer des objets comme une balle, un vase en verre, une paste\u0300que, attraper un anneau et un seau en passant le tube dans l\u2019anse ou aller chercher un poids de musculation place\u0301 en vrac dans une caisse avec plein d\u2019autres objets.<\/p>\n<p>Mais le projet s\u2019ave\u0300re le plus impressionnant lorsqu\u2019il se montre capable de soulever un corps humain allonge\u0301, pre\u0301figurant des usages me\u0301dicaux et hospitaliers (notamment en ge\u0301riatrie). En l\u2019occurrence, les tests ont e\u0301te\u0301 mene\u0301s avec une participante a\u0302ge\u0301e de 25 ans, pesant 74 kg et mesurant 1,70 m. Cette dernie\u0300re a pu e\u0302tre porte\u0301e par deux tubes souples a\u0300 25 cm au-dessus d\u2019un lit. Les chercheurs sont ensuite alle\u0301s un peu plus loin avec un mannequin de 79 kg porte\u0301 par un seul robot-vigne.<\/p>\n<p class=\"ap-article-footer-note\">           Retrouvez plus d\u2019actualit\u00e9s et d\u2019analyses sur           <span class=\"ap-highlight-country\">Benin<\/span>           sur le site           <span class=\"ap-highlight-brand\">Africa Press<\/span>         <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Benin. Une membrane de mate\u0301riau souple se de\u0301ploie peu a\u0300 peu en forme de tube, comme un collant qui se de\u0301roule, sous l\u2019effet de l\u2019air sous pression injecte\u0301 a\u0300 l\u2019inte\u0301rieur. C\u2019est le principe de base de ce que l\u2019on appelle les \u00ab\u00a0vine robots\u00a0\u00bb (robot vigne), inspire\u0301s des plantes grimpantes ou rampantes. Le concept [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":51759,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[46],"class_list":["post-51761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-benin-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Un robot pr\u00e9hensible inspir\u00e9 des plantes grimpantes - B\u00e9nin<\/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.africa-press.net\/benin\/politique\/un-robot-prehensible-inspire-des-plantes-grimpantes\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un robot pr\u00e9hensible inspir\u00e9 des plantes grimpantes\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Benin. Une membrane de mate\u0301riau souple se de\u0301ploie peu a\u0300 peu en forme de tube, comme un collant qui se de\u0301roule, sous l\u2019effet de l\u2019air sous pression injecte\u0301 a\u0300 l\u2019inte\u0301rieur. C\u2019est le principe de base de ce que l\u2019on appelle les \u00ab\u00a0vine robots\u00a0\u00bb (robot vigne), inspire\u0301s des plantes grimpantes ou rampantes. 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Une membrane de mate\u0301riau souple se de\u0301ploie peu a\u0300 peu en forme de tube, comme un collant qui se de\u0301roule, sous l\u2019effet de l\u2019air sous pression injecte\u0301 a\u0300 l\u2019inte\u0301rieur. C\u2019est le principe de base de ce que l\u2019on appelle les \u00ab\u00a0vine robots\u00a0\u00bb (robot vigne), inspire\u0301s des plantes grimpantes ou rampantes. 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