{"id":68352,"date":"2025-05-23T12:00:00","date_gmt":"2025-05-23T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/une-main-robotique-plus-simple-plus-efficace-plus-humaine"},"modified":"2025-05-23T21:09:38","modified_gmt":"2025-05-23T21:09:38","slug":"une-main-robotique-plus-simple-plus-efficace-plus-humaine","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine","title":{"rendered":"Une Main Robotique Plus Simple, Plus Efficace, Plus Humaine"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>C\u2019est en quelque sorte ce principe bien connu qu\u2019a suivi une e\u0301quipe du laboratoire CREATE de l\u2019Ecole polytechnique fe\u0301de\u0301rale de Lausanne (Suisse), de\u0301die\u0301 a\u0300 la conception et a\u0300 la fabrication de robots. Ses membres ont en effet mis au point une main humanoi\u0308de, avec cinq doigts dont un pouce opposable et toutes les phalanges donc mais incluant aussi le poignet, avec l\u2019ide\u0301e d\u2019atteindre la performance humaine sans capteurs ni instructions pre\u0301alables programme\u0301es, en utilisant le concept d\u2019auto-organisation. A savoir que c\u2019est au moment ou\u0300 les doigts touchent l\u2019objet a\u0300 saisir que se de\u0301terminent leur position et la pression qui doit e\u0302tre exerce\u0301e.<\/p>\n<p>Pre\u0301sente\u0301e dans un article de Nature Communications Engineering, la machine est appele\u0301e ADAPT (pour Adaptive Dexterous Anthropomorphic Programmable sTiffness). Elle est imprime\u0301e en 3D et dote\u0301e de vingt articulations anime\u0301es par 12 actionneurs. Surtout, les doigts sont recouvert d\u2019un film de silicone EcoFlex d\u2019une e\u0301paisseur de 0,1 cm imitant l\u2019action de la peau. Au contact d\u2019un objet, le mate\u0301riau se de\u0301forme mais e\u0301largit aussi la surface de contact par rapport a\u0300 un doigt fait de me\u0301tal ou de fibre de carbone par exemple.<\/p>\n<p>Il n\u2019y a pas de capteurs, tels des came\u0301ras par exemple, ni aucune information externe venant alimenter le syste\u0300me en donne\u0301es pre\u0301alables sur l\u2019environnement. L\u2019interaction entre les doigts et les objets conditionnement automatiquement le comportement de la main.<\/p>\n<p><b>93% de prises re\u0301ussies<\/b><\/p>\n<p>Dans une premie\u0300re se\u0301rie de tests, la main a re\u0301alise\u0301 845 ope\u0301rations de saisie d\u2019objets (une balle, un feutre, un tournevis, un cutter, une banane, une pile, une rouleau de bande adhe\u0301sive, un smartphone, une carte bancaire&#8230;), durant 16 heures pour un taux de re\u0301ussite de 97%, le tout sans qu\u2019il y ait besoin d\u2019intervenir sur le logiciel de pilotage. Apre\u0300s quoi, 24 autres ope\u0301rations ont e\u0301te\u0301 mene\u0301es avec, cette fois, l\u2019ajout de l\u2019action du poignet. Re\u0301sultat: 93% de prises re\u0301ussies.<\/p>\n<p>Malgre\u0301 cet efficacite\u0301, les chercheurs reconnaissent des limites a\u0300 leur dispositif. La main ne peut pas exercer de tre\u0300s fortes pressions dirige\u0301es sur un point pre\u0301cis, typiquement, presser un bouton, ni attraper d\u2019objets trop lourds. \u00ab Quand on utilise la main dans son ensemble pour une manipulation, l\u2019adaptation passive est simplement produite par un e\u0301quilibre de forces fonctionnant de la manie\u0300re attendue. Ce qui signifie que, lorsque les forces externes sont trop importantes, l\u2019ope\u0301ration e\u0301choue \u00bb. Le robot a ainsi des difficulte\u0301s a\u0300 soulever le smartphone. D\u2019ou\u0300 l\u2019ide\u0301e, a\u0300 terme, de combiner cette \u00ab auto-organisation \u00bb de la main avec des capteurs pour profiter du meilleur des approches.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. C\u2019est en quelque sorte ce principe bien connu qu\u2019a suivi une e\u0301quipe du laboratoire CREATE de l\u2019Ecole polytechnique fe\u0301de\u0301rale de Lausanne (Suisse), de\u0301die\u0301 a\u0300 la conception et a\u0300 la fabrication de robots. Ses membres ont en effet mis au point une main humanoi\u0308de, avec cinq doigts dont un pouce opposable et toutes [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":68351,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-68352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-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>Une Main Robotique Plus Simple, Plus Efficace, Plus Humaine - Senegal<\/title>\n<meta name=\"description\" content=\"C\u2019est en quelque sorte ce principe bien connu qu\u2019a suivi une e\u0301quipe du laboratoire CREATE de l\u2019Ecole polytechnique fe\u0301d ...\" \/>\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\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une Main Robotique Plus Simple, Plus Efficace, Plus Humaine\" \/>\n<meta property=\"og:description\" content=\"C\u2019est en quelque sorte ce principe bien connu qu\u2019a suivi une e\u0301quipe du laboratoire CREATE de l\u2019Ecole polytechnique fe\u0301d ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-23T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-23T21:09:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/05\/sm_1748063122.283112.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Une Main Robotique Plus Simple, Plus Efficace, Plus Humaine\",\"datePublished\":\"2025-05-23T12:00:00+00:00\",\"dateModified\":\"2025-05-23T21:09:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\"},\"wordCount\":501,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/05\/sm_1748063122.283112.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-main-robotique-plus-simple-plus-efficace-plus-humaine\",\"name\":\"Une Main Robotique Plus Simple, Plus Efficace, Plus Humaine - 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