{"id":224661,"date":"2012-07-01T22:00:00","date_gmt":"2012-07-01T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/centrale-inertielle-mems-a-10-degres-de-liberte\/"},"modified":"2012-07-01T22:00:00","modified_gmt":"2012-07-01T22:00:00","slug":"centrale-inertielle-mems-a-10-degres-de-liberte","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/centrale-inertielle-mems-a-10-degres-de-liberte\/","title":{"rendered":"Centrale inertielle MEMS \u00e0 10 degr\u00e9s de libert\u00e9"},"content":{"rendered":"<p style=\"margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal\" class=\"MsoNormal\">Cette centrale int&egrave;gre un gyroscope triaxial d&rsquo;une plage dynamique de &plusmn;450 &deg;\/sec, un acc&eacute;l&eacute;rom&egrave;tre triaxial de &plusmn;10 g, un magn&eacute;tom&egrave;tre triaxial de &plusmn;2,5 gauss, un capteur de pression couvrant de 300 &agrave; 1100 mbar et un processeur Blackfin ADSP-BF512 dans un seul et unique bo&icirc;tier. Elle inclut &eacute;galement un filtre de Kalman &eacute;tendu (EKF) qui fusionne les entr&eacute;es enregistr&eacute;es au fil du temps par les capteurs afin d&rsquo;assurer un positionnement d&rsquo;une pr&eacute;cision exceptionnelle tout en affichant des d&eacute;lais de conception et un co&ucirc;t r&eacute;duit. Ces caract&eacute;ristiques sont tout particuli&egrave;rement int&eacute;ressantes dans les syst&egrave;mes qui exigent un positionnement en temps r&eacute;el malgr&eacute; un mouvement permanent, complexe et dynamique, tels que les appareils de navigation des avions militaires et civils, les appareils sans pilote, le positionnement sur plates-formes mobiles et les applications de robotique industrielle.<br \/>\n&quot;Pour d&eacute;terminer une position ou une direction avec exactitude, les syst&egrave;mes &eacute;lectroniques industriels et militaires d&eacute;pendent non seulement de la pr&eacute;cision individuelle des diff&eacute;rents capteurs, mais &eacute;galement du degr&eacute; de sophistication avec lequel les diff&eacute;rentes donn&eacute;es enregistr&eacute;es sont combin&eacute;es de fa&ccedil;on exacte et dynamique&quot;, a d&eacute;clar&eacute; Bob Scannell, directeur du d&eacute;veloppement commercial de la gamme iSensor, Groupe Technologies MEMS\/Capteurs, Analog Devices. &quot;Le filtre de Kalman &eacute;tendu dont dispose la centrale inertielle MEMS ADIS16480 aide le syst&egrave;me &agrave; distinguer les capteurs dignes de confiance, en fonction de la connaissance du contexte. Les concepteurs au niveau syst&egrave;me peuvent ainsi obtenir un positionnement exact dans un large &eacute;ventail de conditions environnementales particuli&egrave;rement exigeantes, soit en laissant le filtre s&rsquo;ajuster automatiquement, soit en l&rsquo;accordant par l&rsquo;interm&eacute;diaire de son interface programmable.&quot;<br \/>\nAvec une bande passante tr&egrave;s large de 330&nbsp;MHz, cette centrale combine la technologie propri&eacute;taire iMEMS haute performance et une fonction de traitement du signal de d&eacute;tection haute pr&eacute;cision pour supporter des axes align&eacute;s avec pr&eacute;cision (0,05&deg;) &agrave; adaptation de phases et assurer une non-lin&eacute;arit&eacute; de 0,01&deg;. Elle se pr&eacute;sente en module de 47 x 44 x 14 mm, &agrave; 24 contacts avec interface connecteur, capable de supporter des chocs de 2000 g. Chaque centrale est &eacute;talonn&eacute;e en usine, ce qui r&eacute;duit sensiblement les d&eacute;lais et les risques de d&eacute;veloppement et d&rsquo;int&eacute;gration, tout en assurant une sensibilit&eacute; extr&ecirc;mement basse &agrave; la d&eacute;rive en temp&eacute;rature.<\/p>\n<p style=\"margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal\" class=\"MsoNormal\">&nbsp;<\/p>\n<p><a href=\"http:\/\/www.analog.com\/ADIS16480\" target=\"_blank\" title=\"www.analog.com\/ADIS16480\" rel=\"noopener\">www.analog.com\/ADIS16480<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La centrale inertielle MEMS (IMU) \u00e0 10 degr\u00e9s de libert\u00e9 ADIS16480 d\u2019Analog Devices est dot\u00e9e d\u2019un algorithme de fusion de capteurs embarqu\u00e9 qui assure une orientation extr\u00eamement pr\u00e9cise en applications d\u2019instrumentation de navigation et de stabilisation de plates-formes.<\/p>\n","protected":false},"author":22,"featured_media":224662,"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-224661","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Centrale inertielle MEMS \u00e0 10 degr\u00e9s de libert\u00e9 ...<\/title>\n<meta name=\"description\" content=\"La centrale inertielle MEMS (IMU) \u00e0 10 degr\u00e9s de libert\u00e9 ADIS16480 d\u2019Analog Devices est dot\u00e9e d\u2019un algorithme de fusion de capteurs embarqu\u00e9 qui...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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