{"id":222443,"date":"2011-09-12T22:00:00","date_gmt":"2011-09-12T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/gyroscope-imems-a-securite-integree\/"},"modified":"2011-09-12T22:00:00","modified_gmt":"2011-09-12T22:00:00","slug":"gyroscope-imems-a-securite-integree","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/gyroscope-imems-a-securite-integree\/","title":{"rendered":"Gyroscope iMEMS \u00e0 s\u00e9curit\u00e9 int\u00e9gr\u00e9e"},"content":{"rendered":"<p>&quot;&nbsp;Un syst&egrave;me de contr&ocirc;le de la stabilit&eacute; requiert en permanence des signaux inertiels de haute pr&eacute;cision, notamment en pr&eacute;sence de chocs et de vibrations importants&nbsp;&quot;, a d&eacute;clar&eacute; Thomas Wessel, vice-pr&eacute;sident de la division Automobile d&rsquo;Analog Devices. &quot;&nbsp;Ces applications tr&egrave;s importantes pour la s&eacute;curit&eacute; automobile b&eacute;n&eacute;ficient de fa&ccedil;on consid&eacute;rable de l&rsquo;immunit&eacute; aux vibrations qu&rsquo;apporte ce gyroscope. Sa fonction d&rsquo;autotest en continu joue &eacute;galement un r&ocirc;le-cl&eacute; en assurant au syst&egrave;me un niveau de s&eacute;curit&eacute; int&eacute;gr&eacute;e conforme aux plus hauts standards de s&eacute;curit&eacute; de l&rsquo;industrie. Les innovations int&eacute;gr&eacute;es &agrave; ce composant rendent les automobiles encore plus s&ucirc;res.&nbsp;&quot;<\/p>\n<p>Contrairement &agrave; d&rsquo;autres gyroscopes MEMS, l&rsquo;architecture unique de l&rsquo;ADXRS800 assure des performances de haute pr&eacute;cision dans des environnements automobiles excessivement difficiles, sans qu&rsquo;il soit n&eacute;cessaire de recourir &agrave; des contre-mesures complexes et on&eacute;reuses au niveau syst&egrave;me. La sensibilit&eacute; aux acc&eacute;l&eacute;rations lin&eacute;aires est sp&eacute;cifi&eacute;e &agrave; seulement 0,03&deg;\/seconde\/g, la correction des vibrations est de seulement 0,0002&deg;\/sec\/g&sup2;, la densit&eacute; de bruit de 0,02&deg;\/sec\/&radic;Hz &agrave; +105&deg;C et la variation de z&eacute;ro de 3&deg;\/s maximum dans la plage de temp&eacute;rature et pendant la dur&eacute;e de vie du produit. Afin de simplifier davantage la conception du syst&egrave;me, le gyroscope assure une meilleure stabilit&eacute; par rapport aux autres solutions dans des conditions d&rsquo;utilisation typiques. Disponible en bo&icirc;tier plastique &agrave; cavit&eacute; SOIC-16 (axe Z) et en bo&icirc;tier pour montage vertical compatible CMS (axe X), le nouveau gyroscope fonctionne dans une plage de temp&eacute;rature &eacute;tendue comprise entre -40 et +125&deg;C.<\/p>\n<p>L&rsquo;architecture &agrave; autotest en continu de l&rsquo;ADXRS80 simplifie les algorithmes de d&eacute;tection de pannes et permet aux concepteurs de syst&egrave;mes d&rsquo;int&eacute;grer rapidement la d&eacute;tection d&rsquo;anomalies dans leurs solutions. L&rsquo;int&eacute;grit&eacute; du syst&egrave;me &eacute;lectrom&eacute;canique est v&eacute;rifi&eacute;e en appliquant &agrave; la structure de d&eacute;tection une force &eacute;lectrostatique d&rsquo;excitation &agrave; haute fr&eacute;quence, ce qui permet de la distinguer d&rsquo;un stimulus en temps r&eacute;el. L&rsquo;ADXRS800 d&eacute;tecte des vitesses angulaires pouvant atteindre &plusmn;300&deg;\/s tout en assurant une r&eacute;solution de 80&nbsp;LSB\/&deg;\/sec &agrave; l&rsquo;extr&eacute;mit&eacute; basse gr&acirc;ce &agrave; sa large plage dynamique et son faible niveau de bruit de 0,16&deg;\/sec rms avec un filtre &agrave; 80&nbsp;Hz. Les donn&eacute;es associ&eacute;es &agrave; la vitesse angulaire sont pr&eacute;sent&eacute;es sous forme de mots de 16&nbsp;bits au sein de messages SPI (Serial Peripheral Interface) 32 bits. Parmi les autres fonctionnalit&eacute;s incluses, figurent la compensation de la temp&eacute;rature interne dans la plage de temp&eacute;rature industrielle &eacute;tendue, et un bo&icirc;tier c&eacute;ramique pour montage vertical (en option) qui autorise la d&eacute;tection sur trois axes avec un unique circuit imprim&eacute; sans cartes-filles. <\/p>\n<p><a href=\"https:\/\/intranet.tim-europe.com\/owa\/redaction@tim-europe.com\/redir.aspx?C=691ccbd6d54d4d12821ee5deda2f7ec4&amp;URL=http%3a%2f%2fwww.analog.com%2fADXRS800\" target=\"_blank\" rel=\"noopener\">www.analog.com\/ADXRS800<\/a><\/p>\n<p><strong>&nbsp;<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9es aux applications de d\u00e9tection du tangage, du roulis et de contr\u00f4le de la stabilit\u00e9 \u00e9lectronique en environnement automobile, le gyroscope ADXRS800 en technologie iMEMS propos\u00e9 par Analog Devices embarque une architecture diff\u00e9rentielle brevet\u00e9e \u00e0 quatre faisceaux qui permet de minimiser l&rsquo;influence des vibrations et des chocs lin\u00e9aires. Qualifi\u00e9 pour les applications de s\u00e9curit\u00e9 automobile, l&rsquo;ADXRS800 est le gyroscope le plus stable et le plus immunis\u00e9 aux vibrations actuellement disponible pour cet environnement. De plus, une fonction d&rsquo;autotest \u00e9lectrom\u00e9canique en continu garantit l&rsquo;int\u00e9grit\u00e9 du signal de sortie du gyroscope.<\/p>\n","protected":false},"author":22,"featured_media":222444,"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-222443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Gyroscope iMEMS \u00e0 s\u00e9curit\u00e9 int\u00e9gr\u00e9e ...<\/title>\n<meta name=\"description\" content=\"Destin\u00e9es aux applications de d\u00e9tection du tangage, du roulis et de contr\u00f4le de la stabilit\u00e9 \u00e9lectronique en environnement automobile, le gyroscope...\" \/>\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\/222443\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gyroscope iMEMS \u00e0 s\u00e9curit\u00e9 int\u00e9gr\u00e9e\" \/>\n<meta property=\"og:description\" content=\"Destin\u00e9es aux applications de d\u00e9tection du tangage, du roulis et de contr\u00f4le de la stabilit\u00e9 \u00e9lectronique en environnement automobile, le gyroscope ADXRS800 en technologie iMEMS propos\u00e9 par Analog Devices embarque une architecture diff\u00e9rentielle brevet\u00e9e \u00e0 quatre faisceaux qui permet de minimiser l&#039;influence des vibrations et des chocs lin\u00e9aires. Qualifi\u00e9 pour les applications de s\u00e9curit\u00e9 automobile, l&#039;ADXRS800 est le gyroscope le plus stable et le plus immunis\u00e9 aux vibrations actuellement disponible pour cet environnement. 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