{"id":94113,"date":"2025-01-22T18:05:43","date_gmt":"2025-01-22T18:05:43","guid":{"rendered":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot"},"modified":"2025-01-22T18:05:43","modified_gmt":"2025-01-22T18:05:43","slug":"le-sens-du-toucher-dans-les-doigts-dun-robot","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cotedivoire\/toutes-les-actualites\/le-sens-du-toucher-dans-les-doigts-dun-robot","title":{"rendered":"Le sens du toucher dans les doigts d\u2019un robot"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; C\u00f4te d&rsquo;Ivoire. <\/strong><\/span>Les intelligences artificielles peuvent voir, entendre, e\u0301crire, parler. Mais certaines faculte\u0301s humaines leur e\u0301chappent encore. Parmi elles, le sens du toucher pose de gros proble\u0300mes de pre\u0301cision tant il est difficile de simuler la sensibilite\u0301 de la peau humaine, qui plus est variable selon les zones du corps. L\u2019an dernier, un projet de robot pre\u0301hensible du Massachusetts Institute of Technology (Etats-Unis) reposait sur une came\u0301ra de profondeur et des capteurs pour saisir sans les abi\u0302mer des objets de texture et de rigidite\u0301 diffe\u0301rentes. Une e\u0301quipe de l\u2019universite\u0301 Johns Hopkins a\u0300 Baltimore (Etats-Unis) s\u2019attaque au me\u0302me proble\u0300me mais avec une solution diffe\u0301rente, pre\u0301sente\u0301e dans un article en acce\u0300s libre fin 2024. Elle combine des capteurs piezo-e\u0301lectriques au bout des doigts d\u2019une main robotique a\u0300 de l\u2019apprentissage automatique sur base de donne\u0301es.<\/p>\n<p><b>Des vibrations converties en signal e\u0301lectrique<\/b><\/p>\n<p>Place\u0301 sous une couche de silicone simulant l\u2019e\u0301piderme, le capteur piezoe\u0301lectrique enregistre la force exerce\u0301e par un objet quand le doigt le touche. L&rsquo;impact produit des vibrations qui sont converties en signaux e\u0301lectriques. Un mode\u0300le d\u2019intelligence artificielle est alors capable d\u2019interpre\u0301ter ses signaux pour calculer la pression qu\u2019il va falloir exercer pour saisir l\u2019objet correctement, en fonction sa robustesse.<\/p>\n<p>Pour cela, l\u2019algorithme a e\u0301te\u0301 entrai\u0302ne\u0301 avec cinq blocs de silicone, fabrique\u0301s pour ce projet et dote\u0301s chacun d\u2019une rigidite\u0301 diffe\u0301rente, du plus mou ou plus dur. La main robotique a e\u0301te\u0301 pose\u0301e sur une table, paume en l\u2019air, pour recevoir et agripper chacun des blocs. L\u2019ope\u0301ration a e\u0301te\u0301 re\u0301pe\u0301te\u0301e 500 fois pour chacun des cinq morceaux de silicone, avec des variantes dans leur positionnement dans la main. A partir de quoi, l\u2019algorithme a pu apprendre a\u0300 quel type de rigidite\u0301 correspondait quelle fre\u0301quence de vibrations.<\/p>\n<p><b>Un calcul en 15 millisecondes<\/b><\/p>\n<p>Pour e\u0302tre au plus pre\u0300s d&rsquo;une re\u0301action humaine, l\u2019enjeu du projet est de permettre a\u0300 un robot de calculer rapidement quelle pression il va devoir exercer. En l\u2019occurrence, entre le moment ou\u0300 le robot e\u0301tablit un premier contact avec l\u2019objet et celui ou\u0300 tous les doigts se referment dessus, il se passe 15 millisecondes. Des tests ont e\u0301te\u0301 mene\u0301s sur des balles de tennis, des oranges, des pommes et des avocats pour atteindre des performances de pre\u0301cision de 98,6%.<\/p>\n<p>Les chercheurs envisagent d\u2019appliquer ce syste\u0300me a\u0300 des prothe\u0300ses, par exemple. Mais ce n\u2019est qu\u2019un premier pas. La suite ne\u0301cessite, entre autre, de former et de tester l\u2019algorithme sur quantite\u0301 d\u2019autres objets de robustesses diffe\u0301rentes, et non quatre ou cinq seulement. Par contre, c&rsquo;est son grand inte\u0301re\u0302t, il n\u2019a pas besoin d\u2019e\u0302tre entrai\u0302ne\u0301 a\u0300 reconnai\u0302tre, par vision par ordinateur, cet objet. La de\u0301tection de la texture suffit.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">C\u00f4te d&rsquo;Ivoire<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<span style=\"color: #ff6600\"><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; C\u00f4te d&rsquo;Ivoire. Les intelligences artificielles peuvent voir, entendre, e\u0301crire, parler. Mais certaines faculte\u0301s humaines leur e\u0301chappent encore. Parmi elles, le sens du toucher pose de gros proble\u0300mes de pre\u0301cision tant il est difficile de simuler la sensibilite\u0301 de la peau humaine, qui plus est variable selon les zones du corps. L\u2019an dernier, un [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":94112,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[37],"class_list":["post-94113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-cote-divoire-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>Le sens du toucher dans les doigts d\u2019un robot - C\u00f4te d&#039;Ivoire<\/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\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le sens du toucher dans les doigts d\u2019un robot\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; C\u00f4te d&rsquo;Ivoire. Les intelligences artificielles peuvent voir, entendre, e\u0301crire, parler. Mais certaines faculte\u0301s humaines leur e\u0301chappent encore. Parmi elles, le sens du toucher pose de gros proble\u0300mes de pre\u0301cision tant il est difficile de simuler la sensibilite\u0301 de la peau humaine, qui plus est variable selon les zones du corps. L\u2019an dernier, un [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\" \/>\n<meta property=\"og:site_name\" content=\"C\u00f4te d&#039;Ivoire\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-22T18:05:43+00:00\" \/>\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=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Le sens du toucher dans les doigts d\u2019un robot\",\"datePublished\":\"2025-01-22T18:05:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\"},\"wordCount\":541,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg\",\"keywords\":[\"C\u00f4te d'Ivoire\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\",\"url\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\",\"name\":\"Le sens du toucher dans les doigts d\u2019un robot - C\u00f4te d&#039;Ivoire\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg\",\"datePublished\":\"2025-01-22T18:05:43+00:00\",\"author\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage\",\"url\":\"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg\",\"contentUrl\":\"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg\",\"width\":1200,\"height\":900,\"caption\":\"Le sens du toucher dans les doigts d\u2019un robot\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.africa-press.net\/cotedivoire\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Le sens du toucher dans les doigts d\u2019un robot\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/#website\",\"url\":\"https:\/\/www.africa-press.net\/cotedivoire\/\",\"name\":\"C\u00f4te d&#039;Ivoire\",\"description\":\"Just another Africa News Agency Sites site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.africa-press.net\/cotedivoire\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\",\"name\":\"cfeditorfr\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Le sens du toucher dans les doigts d\u2019un robot - C\u00f4te d&#039;Ivoire","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot","og_locale":"fr_FR","og_type":"article","og_title":"Le sens du toucher dans les doigts d\u2019un robot","og_description":"Africa-Press &#8211; C\u00f4te d&rsquo;Ivoire. Les intelligences artificielles peuvent voir, entendre, e\u0301crire, parler. Mais certaines faculte\u0301s humaines leur e\u0301chappent encore. Parmi elles, le sens du toucher pose de gros proble\u0300mes de pre\u0301cision tant il est difficile de simuler la sensibilite\u0301 de la peau humaine, qui plus est variable selon les zones du corps. L\u2019an dernier, un [&hellip;]","og_url":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot","og_site_name":"C\u00f4te d&#039;Ivoire","article_published_time":"2025-01-22T18:05:43+00:00","author":"cfeditorfr","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"cfeditorfr","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#article","isPartOf":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot"},"author":{"name":"cfeditorfr","@id":"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"headline":"Le sens du toucher dans les doigts d\u2019un robot","datePublished":"2025-01-22T18:05:43+00:00","mainEntityOfPage":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot"},"wordCount":541,"commentCount":0,"image":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg","keywords":["C\u00f4te d'Ivoire"],"articleSection":["Divers","Toutes les actualit\u00e9s"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot","url":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot","name":"Le sens du toucher dans les doigts d\u2019un robot - C\u00f4te d&#039;Ivoire","isPartOf":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage"},"image":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg","datePublished":"2025-01-22T18:05:43+00:00","author":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"breadcrumb":{"@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#primaryimage","url":"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg","contentUrl":"https:\/\/static.africa-press.net\/cote\/sites\/43\/2025\/01\/sm_1737561754.854842.jpg","width":1200,"height":900,"caption":"Le sens du toucher dans les doigts d\u2019un robot"},{"@type":"BreadcrumbList","@id":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-sens-du-toucher-dans-les-doigts-dun-robot#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.africa-press.net\/cotedivoire\/"},{"@type":"ListItem","position":2,"name":"Le sens du toucher dans les doigts d\u2019un robot"}]},{"@type":"WebSite","@id":"https:\/\/www.africa-press.net\/cotedivoire\/#website","url":"https:\/\/www.africa-press.net\/cotedivoire\/","name":"C\u00f4te d&#039;Ivoire","description":"Just another Africa News Agency Sites site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.africa-press.net\/cotedivoire\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.africa-press.net\/cotedivoire\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1","name":"cfeditorfr"}]}},"_links":{"self":[{"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/posts\/94113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/comments?post=94113"}],"version-history":[{"count":0,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/posts\/94113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/media\/94112"}],"wp:attachment":[{"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/media?parent=94113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/categories?post=94113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.africa-press.net\/cotedivoire\/wp-json\/wp\/v2\/tags?post=94113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}