{"id":18507,"date":"2016-01-12T00:00:00","date_gmt":"2016-01-11T23:00:00","guid":{"rendered":"http:\/\/cedrat-technologies.com\/produit\/technique-de-controle-semi-passif-des-vibrations-par-shuntage-dactionneurs-piezoelectriques-amplifies\/"},"modified":"2023-07-20T11:22:20","modified_gmt":"2023-07-20T09:22:20","slug":"technique-de-controle-semi-passif-des-vibrations-par-shuntage-dactionneurs-piezoelectriques-amplifies","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/technique-de-controle-semi-passif-des-vibrations-par-shuntage-dactionneurs-piezoelectriques-amplifies\/","title":{"rendered":"Technique de contr\u00f4le semi-passif des vibrations par shuntage d&rsquo;actionneurs pi\u00e9zo\u00e9lectriques amplifi\u00e9s"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>L&rsquo;objectif de cet article est de fournir les r\u00e9sultats d&rsquo;une \u00e9tude exp\u00e9rimentale et analytique des actionneurs pi\u00e9zo\u00e9lectriques amplifi\u00e9s (APA) en tant qu&rsquo;isolateur vibratoire dans une configuration d&rsquo;un syst\u00e8me m\u00e9canique \u00e0 un seul degr\u00e9 de libert\u00e9. L&rsquo;\u00e9tude vise \u00e0 \u00e9valuer la capacit\u00e9 de modification des propri\u00e9t\u00e9s m\u00e9caniques par le biais de techniques de shuntage. L&rsquo;\u00e9tude consiste en une mod\u00e9lisation ph\u00e9nom\u00e9nologique des APA consid\u00e9r\u00e9s comme des g\u00e9n\u00e9rateurs et en une v\u00e9rification exp\u00e9rimentale de la capacit\u00e9 de dissipation de l&rsquo;\u00e9nergie vibratoire dans le domaine des fr\u00e9quences. Les r\u00e9sultats obtenus au cours de cette \u00e9tude r\u00e9v\u00e8lent qu&rsquo;il est possible d&rsquo;obtenir une r\u00e9duction de plus de 20 dB de l&rsquo;amplification du d\u00e9placement dans la plage de r\u00e9sonance. En outre, trois exemples test\u00e9s d&rsquo;APA r\u00e9v\u00e8lent jusqu&rsquo;\u00e0 9 % de d\u00e9calage de la fr\u00e9quence de r\u00e9sonance en raison d&rsquo;un r\u00e9glage appropri\u00e9 du circuit de shuntage \u00e9lectronique, ce qui constitue un encouragement pour d&rsquo;autres analyses en vue de l&rsquo;application des APA dans des applications de contr\u00f4le semi-passif des vibrations.<\/p>\n","protected":false},"featured_media":15167,"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":[1383,1385,1413,1491,1464],"product_tag":[],"class_list":{"0":"post-18507","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-domaine-fr","10":"product_cat-publications-fr","12":"first","13":"instock","14":"downloadable","15":"virtual","16":"purchasable","17":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18507","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=18507"}],"version-history":[{"count":0,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/18507\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/15167"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=18507"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=18507"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=18507"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=18507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}