{"id":39262,"date":"2020-12-07T08:32:44","date_gmt":"2020-12-07T08:32:44","guid":{"rendered":"https:\/\/\/des-drones-captifs-detachables-destines-aux-missions-de-surveillance-strategique\/"},"modified":"2020-12-07T08:32:44","modified_gmt":"2020-12-07T08:32:44","slug":"des-drones-captifs-detachables-destines-aux-missions-de-surveillance-strategique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-drones-captifs-detachables-destines-aux-missions-de-surveillance-strategique\/","title":{"rendered":"Des drones captifs d\u00e9tachables destin\u00e9s aux missions de surveillance strat\u00e9gique"},"content":{"rendered":"<p>Avec une puissance de 5&nbsp;kW, ce drone est consid\u00e9r\u00e9 comme le drone captif le plus puissant actuellement disponible sur le march\u00e9. Cette capacit\u00e9 tient notamment \u00e0 l&rsquo;utilisation par FlyFocus des convertisseurs continu-continu isol\u00e9s et r\u00e9gul\u00e9s DCM Vicor, au sein du circuit d&rsquo;alimentation allant du c\u00e2ble d&rsquo;attache aux moteurs et \u00e0 l&rsquo;\u00e9lectronique du drone.<\/p>\n<p><b>D\u00e9fis li\u00e9s aux drones captifs d\u00e9tachables<\/b><\/p>\n<p>En mode captif, les moteurs \u00e9lectriques et l&rsquo;\u00e9lectronique de bord du drone sont aliment\u00e9s par le c\u00e2ble de liaison, qui fournit du 400&nbsp;V continu \u00e0 partir de la station au sol&nbsp;; cela permet d&rsquo;assurer une surveillance pratiquement illimit\u00e9e, avec seulement quelques atterrissages occasionnels pour effectuer des inspections de maintenance. Lorsque le drone se d\u00e9tache pour permettre le vol libre, les batteries embarqu\u00e9es prennent le relais pour l&rsquo;alimenter, et autorisent jusqu&rsquo;\u00e0 30&nbsp;minutes de vol avec une charge utile correspondant \u00e0 une cam\u00e9ra de jour, ou 20&nbsp;minutes avec une configuration double avec cam\u00e9ra thermique plus cam\u00e9ra de jour. Ces temps de vol libres donnent \u00e0 FlyFocus un avantage concurrentiel pour ses applications de surveillance.<\/p>\n<p>FlyFocus profite de la puissance \u00e9lev\u00e9e de 5&nbsp;kW fournie par le c\u00e2ble de liaison pour offrir \u00e0 son drone des performances et des fonctionnalit\u00e9s sup\u00e9rieures. Avec huit moteurs, le drone peut se poser en toute s\u00e9curit\u00e9, m\u00eame avec deux moteurs hors service. Les deux cam\u00e9ras fournies sont de type Full HD avec zoom optique 10x et zoom num\u00e9rique 4x, tandis que la cam\u00e9ra IR de vision nocturne est de type 640p avec zoom num\u00e9rique 4x.<\/p>\n<p>La puissance disponible permet \u00e0 FlyFocus d&rsquo;utiliser des cam\u00e9ras plus performantes, notamment des cam\u00e9ras thermiques dot\u00e9es d\u2019un syst\u00e8me de refroidissement pouss\u00e9, et des cam\u00e9ras dot\u00e9es d\u2019un zoom plus performant. Il est \u00e9galement possible d&rsquo;ajouter des modules de transport suppl\u00e9mentaires.<\/p>\n<p>Les convertisseurs continu-continu isol\u00e9s et r\u00e9gul\u00e9s Vicor sont optimis\u00e9s pour fournir l&rsquo;\u00e9nergie n\u00e9cessaire aux moteurs et \u00e0 l&rsquo;\u00e9lectronique du drone, gr\u00e2ce au c\u00e2ble de liaison. Ils permettent d&rsquo;abaisser les 400&nbsp;V continu du c\u00e2ble de liaison au niveau des tensions dont le drone a besoin pour fonctionner ; l&rsquo;utilisation d&rsquo;une tension \u00e9lev\u00e9e r\u00e9duit le courant dans le c\u00e2ble et les pertes Joule (RI<sup>2<\/sup>). Par cons\u00e9quent, on peut utiliser un c\u00e2ble beaucoup plus petit et plus l\u00e9ger, ce qui est toujours int\u00e9ressant dans le cas d&rsquo;applications a\u00e9roport\u00e9es de ce type.&nbsp; En outre, la densit\u00e9 de puissance des modules DCM d\u00e9passe de loin celle propos\u00e9e par tout autre fournisseur de FlyFocus. Outre le fait d\u2019offrir un haut rendement, cela permet de loger huit de ces modules de 600&nbsp;W dans une petite nacelle sous le drone, avec seulement deux radiateurs et ventilateurs.<\/p>\n<p><a href=\"http:\/\/www.vicorpower.com\/dc-dc\/isolated-regulated\/dcm\">www.vicorpower.com\/dc-dc\/isolated-regulated\/dcm<\/a><\/p>\n<p><a href=\"http:\/\/www.vicorpower.com\">www.vicorpower.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le nouveau CableGuard de FlyFocus est un drone captif d\u00e9tachable, destin\u00e9 au march\u00e9 civil et aux forces de l&rsquo;ordre. En mode captif, il peut se maintenir en vol stationnaire \u00e0 70\u00a0m\u00e8tres d&rsquo;altitude pendant de longues p\u00e9riodes. Cependant, une commande \u00e0 distance permet de le lib\u00e9rer de son c\u00e2ble de liaison, en laissant le drone voler librement et suivre un objet suspect pendant 30\u00a0minutes.<\/p>\n","protected":false},"author":9,"featured_media":39263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-39262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des drones captifs d\u00e9tachables destin\u00e9s aux missions de surve...<\/title>\n<meta name=\"description\" content=\"Le nouveau CableGuard de FlyFocus est un drone captif d\u00e9tachable, destin\u00e9 au march\u00e9 civil et aux forces de l&#039;ordre. En mode captif, il peut se maintenir...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/39262\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des drones captifs d\u00e9tachables destin\u00e9s aux missions de surveillance strat\u00e9gique\" \/>\n<meta property=\"og:description\" content=\"Le nouveau CableGuard de FlyFocus est un drone captif d\u00e9tachable, destin\u00e9 au march\u00e9 civil et aux forces de l&#039;ordre. En mode captif, il peut se maintenir en vol stationnaire \u00e0 70\u00a0m\u00e8tres d&#039;altitude pendant de longues p\u00e9riodes. Cependant, une commande \u00e0 distance permet de le lib\u00e9rer de son c\u00e2ble de liaison, en laissant le drone voler librement et suivre un objet suspect pendant 30\u00a0minutes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/39262\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-07T08:32:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8963_vicor.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"685\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" 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