{"id":18514,"date":"2002-01-06T00:00:00","date_gmt":"2002-01-05T23:00:00","guid":{"rendered":"http:\/\/cedrat-technologies.com\/produit\/plateformes-stewart-rigides-et-souples-pour-lamortissement-actif-et-lisolation-active-des-vibrations\/"},"modified":"2023-07-20T11:22:30","modified_gmt":"2023-07-20T09:22:30","slug":"plateformes-stewart-rigides-et-souples-pour-lamortissement-actif-et-lisolation-active-des-vibrations","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/plateformes-stewart-rigides-et-souples-pour-lamortissement-actif-et-lisolation-active-des-vibrations\/","title":{"rendered":"Plateformes stewart rigides et souples pour l&rsquo;amortissement actif et l&rsquo;isolation active des vibrations"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Comme les futures missions astronomiques n\u00e9cessiteront des exigences de r\u00e9solution de plus en plus strictes, la demande d&rsquo;un environnement exempt de vibrations et de perturbations se fait sentir. Cela conduit \u00e9galement \u00e0 la n\u00e9cessit\u00e9 de disposer de dispositifs d&rsquo;orientation de haute pr\u00e9cision pour le pointage fin des optiques sensibles avec la plus grande exactitude possible. Il existe plusieurs m\u00e9thodes pour r\u00e9duire les niveaux de vibration : la premi\u00e8re consiste \u00e0 isoler le syst\u00e8me sensible de la perturbation et la seconde \u00e0 amortir les modes de vibration de la structure. C&rsquo;est pourquoi deux plateformes Stewart ont \u00e9t\u00e9 con\u00e7ues, fabriqu\u00e9es et test\u00e9es. La premi\u00e8re est un hexapode souple qui fournit une isolation active de 6 degr\u00e9s de libert\u00e9 (DOF) et la seconde est un hexapode rigide qui fournit un amortissement actif \u00e0 n&rsquo;importe quelle charge utile flexible qui y est attach\u00e9e\/mont\u00e9e. En outre, les deux hexapodes ont des capacit\u00e9s de direction.<\/p>\n","protected":false},"featured_media":15137,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"yes"},"product_brand":[],"product_cat":[1383,1385,1413,1391,1390,1464],"product_tag":[],"class_list":{"0":"post-18514","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-actionneurs-lineaires","7":"product_cat-actionneurs-piezo-fr","8":"product_cat-controle-actif-de-vibration","9":"product_cat-degres-de-libertes-multiples","10":"product_cat-mecanismes","11":"product_cat-publications-fr","13":"first","14":"instock","15":"downloadable","16":"virtual","17":"purchasable","18":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/comments?post=18514"}],"version-history":[{"count":0,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18514\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/15137"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=18514"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=18514"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=18514"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=18514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}