{"id":33827,"date":"2026-07-07T17:38:07","date_gmt":"2026-07-07T15:38:07","guid":{"rendered":"https:\/\/cedrat-technologies.com\/?post_type=product&#038;p=33827"},"modified":"2026-07-07T17:40:29","modified_gmt":"2026-07-07T15:40:29","slug":"bistable-piezoelectric-energy-harvester-with-embedded-power-management-electronics-for-railway-monitoring","status":"publish","type":"product","link":"https:\/\/cedrat-technologies.com\/fr\/produit\/bistable-piezoelectric-energy-harvester-with-embedded-power-management-electronics-for-railway-monitoring\/","title":{"rendered":"R\u00e9cup\u00e9rateur d&rsquo;\u00e9nergie pi\u00e9zo\u00e9lectrique bistable avec \u00e9lectronique embarqu\u00e9e de gestion de puissance pour la surveillance des infrastructures ferroviaires"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Les environnements ferroviaires constituent une source d&rsquo;\u00e9nergie particuli\u00e8rement riche mais difficile \u00e0 exploiter, en raison des fortes vibrations, des chocs et des sollicitations dynamiques engendr\u00e9s par le passage des trains ainsi que par les d\u00e9formations des infrastructures. Afin d&rsquo;alimenter des capteurs \u00e0 faible consommation embarqu\u00e9s ou install\u00e9s en bord de voie, une approche non lin\u00e9aire reposant sur un r\u00e9cup\u00e9rateur d&rsquo;\u00e9nergie bistable offre une alternative prometteuse aux dispositifs r\u00e9sonants lin\u00e9aires conventionnels.<\/p>\n<p>Un syst\u00e8me bistable pr\u00e9sente deux positions d&rsquo;\u00e9quilibre stables s\u00e9par\u00e9es par une barri\u00e8re de potentiel. Lorsque l&rsquo;excitation ext\u00e9rieure est suffisamment importante, le syst\u00e8me \u00ab bascule \u00bb d&rsquo;un \u00e9tat stable \u00e0 l&rsquo;autre, produisant des d\u00e9placements de plus grande amplitude et g\u00e9n\u00e9rant ainsi davantage d&rsquo;\u00e9nergie gr\u00e2ce aux transducteurs pi\u00e9zo\u00e9lectriques, tout en offrant une bande passante plus \u00e9tendue. Compar\u00e9s aux r\u00e9cup\u00e9rateurs lin\u00e9aires \u00e0 bande \u00e9troite, les dispositifs bistables sont mieux adapt\u00e9s aux spectres vibratoires larges, al\u00e9atoires et variables caract\u00e9ristiques des environnements ferroviaires.<\/p>\n<p>Le <strong>Bistable Piezoelectric Energy Harvester (BPEH)<\/strong> a \u00e9t\u00e9 con\u00e7u, test\u00e9 en laboratoire puis install\u00e9 sur une infrastructure ferroviaire afin de valider sa capacit\u00e9 \u00e0 r\u00e9cup\u00e9rer l&rsquo;\u00e9nergie des vibrations dans des conditions repr\u00e9sentatives d&rsquo;exploitation.<\/p>\n","protected":false},"featured_media":33832,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[],"product_cat":[1383,1385,1499,1411,1412,1464,1507,1530,1517,1528],"product_tag":[],"class_list":{"0":"post-33827","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-essais-mesures-fr","9":"product_cat-materiaux-essais","10":"product_cat-piezo-fr","11":"product_cat-publications-fr","12":"product_cat-recuperateur-denergie-publications-fr","13":"product_cat-systeme-denergie-embarque-systemes-mechatroniques-publications-fr","14":"product_cat-systemes-mechatroniques-publications-fr","15":"product_cat-transducteurs-ndt-shm-publications-fr","17":"first","18":"instock","19":"downloadable","20":"shipping-taxable","21":"purchasable","22":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/33827","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=33827"}],"version-history":[{"count":2,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/33827\/revisions"}],"predecessor-version":[{"id":33840,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product\/33827\/revisions\/33840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media\/33832"}],"wp:attachment":[{"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/media?parent=33827"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_brand?post=33827"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_cat?post=33827"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedrat-technologies.com\/fr\/wp-json\/wp\/v2\/product_tag?post=33827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}