{"id":18348,"date":"2023-06-19T10:29:27","date_gmt":"2023-06-19T08:29:27","guid":{"rendered":"http:\/\/cedrat-technologies.com\/produit\/controle-actif-des-vibrations-dune-structure-spatiale-a-laide-dactionneurs-piezoelectriques-amplifies\/"},"modified":"2023-07-20T11:21:24","modified_gmt":"2023-07-20T09:21:24","slug":"controle-actif-des-vibrations-dune-structure-spatiale-a-laide-dactionneurs-piezoelectriques-amplifies","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/controle-actif-des-vibrations-dune-structure-spatiale-a-laide-dactionneurs-piezoelectriques-amplifies\/","title":{"rendered":"Contr\u00f4le actif des vibrations d&rsquo;une structure spatiale \u00e0 l&rsquo;aide d&rsquo;actionneurs pi\u00e9zo\u00e9lectriques amplifi\u00e9s"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Les nouveaux actionneurs pi\u00e9zo\u00e9lectriques fabriqu\u00e9s par Cedrat Technologies ont \u00e9t\u00e9 mis au point pour le contr\u00f4le du positionnement de l&rsquo;optique spatiale, mais ils se r\u00e9pandent largement dans divers domaines de l&rsquo;ing\u00e9nierie tels que le positionnement pr\u00e9cis, le contr\u00f4le intelligent des formes et la g\u00e9n\u00e9ration ou le contr\u00f4le des vibrations. Leur capacit\u00e9 \u00e0 contr\u00f4ler ou \u00e0 amortir activement les vibrations a \u00e9t\u00e9 d\u00e9montr\u00e9e avec succ\u00e8s \u00e0 l&rsquo;\u00e9chelle du laboratoire dans des applications spatiales. Dans un premier cas, les actionneurs pi\u00e9zo\u00e9lectriques ont \u00e9t\u00e9 utilis\u00e9s \u00e0 la fois pour le contr\u00f4le des vibrations de lancement et pour le contr\u00f4le du positionnement en orbite d&rsquo;un miroir de t\u00e9lescope. Dans une deuxi\u00e8me s\u00e9rie d&rsquo;applications spatiales, ces actionneurs pi\u00e9zo-\u00e9lectriques ont \u00e9t\u00e9 int\u00e9gr\u00e9s avec succ\u00e8s dans une poutrelle spatiale utilisant des tendons actifs pour le contr\u00f4le des micro-vibrations, comme cela a \u00e9t\u00e9 pr\u00e9sent\u00e9 publiquement lors des Journ\u00e9es industrielles de l&rsquo;espace (ISD2001, Noordwijk, 9-10 mai 2001) et comme cela a \u00e9t\u00e9 pr\u00e9sent\u00e9 dans cet article.<\/p>\n","protected":false},"featured_media":14724,"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":[1413,1491,1464],"product_tag":[],"class_list":{"0":"post-18348","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-controle-actif-de-vibration","7":"product_cat-domaine-fr","8":"product_cat-publications-fr","10":"first","11":"instock","12":"downloadable","13":"virtual","14":"purchasable","15":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18348","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=18348"}],"version-history":[{"count":0,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18348\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/14724"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=18348"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=18348"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=18348"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=18348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}