{"id":232028,"date":"2015-01-22T23:00:00","date_gmt":"2015-01-22T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuit-de-gestion-de-luminosite-a-connectivite-iot\/"},"modified":"2015-01-22T23:00:00","modified_gmt":"2015-01-22T23:00:00","slug":"circuit-de-gestion-de-luminosite-a-connectivite-iot","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-de-gestion-de-luminosite-a-connectivite-iot\/","title":{"rendered":"Circuit de gestion de luminosit\u00e9 \u00e0 connectivit\u00e9 IoT"},"content":{"rendered":"<p>Les capteurs photopiques &eacute;quip&eacute;s de filtres nano-optiques utilis&eacute;s dans ces circuits sont con&ccedil;us pour aider les fabricants d&rsquo;&eacute;clairages &agrave; relever les d&eacute;fis de plus en plus contraignants pos&eacute;s par les obligations d&rsquo;&eacute;conomie d&rsquo;&eacute;nergie, parmi lesquelles le contr&ocirc;le de l&rsquo;&eacute;clairage. Il est &eacute;videmment plus efficace et &eacute;conomique d&rsquo;int&eacute;grer le contr&ocirc;le, la connectivit&eacute; comme Bluetooth, et la mesure de haute granularit&eacute; dans les luminaires eux-m&ecirc;mes. <br \/>\n&ldquo;La famille de solutions bas&eacute;es sur des capteurs photoniques intelligents AS721X cr&eacute;e un concentrateur &eacute;vident IoT au sein de b&acirc;timents connect&eacute;s, apportant ce que nous appelons l&rsquo;Internet of Awareness par la convergence de l&rsquo;internet des objets et de la fusion des capteurs,&rdquo; explique Sajol Ghoshal, responsable de la division strat&eacute;gies &eacute;mergentes chez ams. &ldquo;La famille AS721X, associ&eacute;e &agrave; la connectivit&eacute; simple d&rsquo;utilisation de Broadcom , la plateforme WICED Smart Bluetooth et SmartBridge, offre une connexion s&eacute;curis&eacute;e et plug and play &agrave; l&rsquo;internet des objets pour l&rsquo;agr&eacute;gation Big Data et la vague anticip&eacute;e de machines connect&eacute;es.&rdquo;<br \/>\nLa famille AS721x est une plateforme technologique de capteurs int&eacute;gr&eacute;s qui permet des mesures au niveau syst&egrave;me et des possibilit&eacute;s de contr&ocirc;le, r&eacute;duisant en cons&eacute;quence grandement le co&ucirc;t du syst&egrave;me complet ainsi que son temps de mise sur le march&eacute;. Autonome, le circuit mesure la lumi&egrave;re ambiante et maintient le niveau de luminosit&eacute; constant d&rsquo;un espace gr&acirc;ce &agrave; des ajustements subtils lors des variations de la lumi&egrave;re ext&eacute;rieure. Int&eacute;grer un tel circuit dans chaque luminaire optimise la r&eacute;activit&eacute; et l&rsquo;efficacit&eacute; globale du syst&egrave;me d&rsquo;&eacute;clairage, tout en augmentant les &eacute;conomies d&rsquo;&eacute;nergie. Cette approche am&eacute;liore le confort en maintenant avec pr&eacute;cision un niveau constant de luminosit&eacute; (lumen), aussi bien dans le temps qu&rsquo;en cas de variation de temp&eacute;rature, et permet aux syst&egrave;mes d&rsquo;&eacute;clairage connect&eacute;s de suivre les consignes de r&eacute;gulation &agrave; l&rsquo;&eacute;chelle d&rsquo;une partie ou d&rsquo;un b&acirc;timent entier.\n<\/p>\n<hr \/>\n<p>Jusqu&rsquo;alors, les offres du march&eacute; sont surtout des &quot;designs de r&eacute;f&eacute;rence&quot; combinant capteurs, processeurs, m&eacute;moire et circuits d&rsquo;E\/S, ce qui demande du temps de conception, de mise au point et d&rsquo;&eacute;criture d&rsquo;algorithmes de contr&ocirc;le et de communication. Au contraire, cette famille propose une solution compl&egrave;te, offrant &agrave; l&rsquo;utilisateur un haut niveau d&rsquo;int&eacute;gration, pour un co&ucirc;t et une complexit&eacute; tr&egrave;s inf&eacute;rieurs &agrave; l&rsquo;utilisation de composants discrets.<br \/>\nEncapsul&eacute; en bo&icirc;tiers 20 broches Chip-Scale de 2,1 x 2,3 mm et LGA de 4,5 x 4,7 mm, ce circuit &agrave; capteur photopique fonctionne avec des drivers ou dimmers standard 0-10 V et sorties PWM multi-voies. La liaison s&eacute;rie UART s&rsquo;interface avec n&rsquo;importe quel r&eacute;seau standard (AS7211) ou d&eacute;codeur pour t&eacute;l&eacute;commande Infrarouge RC5 (AS7210). L&rsquo;interface r&eacute;seau offre un jeu de commandes AT Smart Lighting pour une connectivit&eacute; IoT via Bluetooth 4.x (BLE), ZigBee, WiFi, Ethernet\/PoE ou autres protocoles. Un port d&rsquo;extension I2C permet de cr&eacute;er une fonction de passerelle vers d&rsquo;autres capteurs.<br \/>\n&quot;Cette famille r&eacute;volutionnaire de circuits de gestion d&rsquo;ams r&eacute;pond directement au besoin de l&rsquo;industrie de l&rsquo;&eacute;clairage qui recherche des solutions de contr&ocirc;le int&eacute;gr&eacute;es &agrave; prix et encombrement r&eacute;duits,&quot; commente &eacute;galement Sid Shaw, chef produit senior de la division connectivit&eacute; sans fil chez Broadcom. &quot;Associ&eacute;e avec la connectivit&eacute; bluetooth largement r&eacute;pandue, c&rsquo;est une solution qui va v&eacute;ritablement bouleverser le monde de l&rsquo;&eacute;clairage, en concr&eacute;tisant le concept du syst&egrave;me connect&eacute; au r&eacute;seau, illustrant ainsi l&rsquo;efficacit&eacute; de l&rsquo;Internet des Objets&quot;.<\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.ams.com\/\" title=\"www.ams.com\" rel=\"noopener\">www.ams.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contr\u00f4leur autonome d\u2019\u00e9clairage r\u00e9volutionnaire, l\u2019AS721x d\u2019ams est le premier circuit totalement int\u00e9gr\u00e9 de gestion intelligente de lumi\u00e8re facilitant la connectivit\u00e9 \u00e0 l\u2019Internet des Objets (IoT). Les fabricants disposent ainsi d\u2019une solution efficace et rentable pour contr\u00f4ler, au travers l\u2019IoT, les luminaires, g\u00e9n\u00e9rateurs de lumi\u00e8res et ampoules.<\/p>\n","protected":false},"author":22,"featured_media":232029,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-232028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit de gestion de luminosit\u00e9 \u00e0 connectivit\u00e9 IoT ...<\/title>\n<meta name=\"description\" content=\"Contr\u00f4leur autonome d\u2019\u00e9clairage r\u00e9volutionnaire, l\u2019AS721x d\u2019ams est le premier circuit totalement int\u00e9gr\u00e9 de gestion intelligente de lumi\u00e8re...\" \/>\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\/232028\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circuit de gestion de luminosit\u00e9 \u00e0 connectivit\u00e9 IoT\" \/>\n<meta property=\"og:description\" content=\"Contr\u00f4leur autonome d\u2019\u00e9clairage r\u00e9volutionnaire, l\u2019AS721x d\u2019ams est le premier circuit totalement int\u00e9gr\u00e9 de gestion intelligente de lumi\u00e8re facilitant la connectivit\u00e9 \u00e0 l\u2019Internet des Objets (IoT). 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