{"id":4118,"date":"2021-02-18T21:55:00","date_gmt":"2021-02-18T20:55:00","guid":{"rendered":"http:\/\/sophie-matthieu.eu\/?p=4118"},"modified":"2021-02-25T15:36:53","modified_gmt":"2021-02-25T14:36:53","slug":"aeronauticsevents-mars-2020-helicoptere-ingenuity","status":"publish","type":"post","link":"https:\/\/sophie-matthieu.eu\/index.php\/2021\/02\/18\/aeronauticsevents-mars-2020-helicoptere-ingenuity\/","title":{"rendered":"#AeronauticsEVENTS \u2013 Mars 2020, Helicoptere INGENUITY"},"content":{"rendered":"\n<p>L&rsquo;h\u00e9licopt\u00e8re est un petit plus de la mission, c&rsquo;est un syst\u00e8me compl\u00e8tement exp\u00e9rimental con\u00e7u avec  du mat\u00e9riel non calibr\u00e9 pour un environnement difficile comme l atmosph\u00e8re de Mars. \u00ab\u00a0Ingenuity\u00a0\u00bb p\u00e8se environs 2Kg.  il a deux rotors en carbone\u00a0contrarotatives tourneront \u00e0 pr\u00e8s de 2400 tours par minute, une\u00a0vitesse\u00a0tr\u00e8s rapide; Ce Marscopter est aliment\u00e9 par des batteries Lithium Ion et des cellules volta\u00efques pour recharger les accumulateurs.  Ingenuity utilise comme syst\u00e8me d exploitation  <strong><em>F&rsquo; <\/em><\/strong>(Framework for Small-Scale Flight Software Systems) sur une architecture ARM connue de nos t\u00e9l\u00e9phones cellulaires : Qualcomm SnapDragon 801 Quadcore 2.26Ghz  (Non qualifi\u00e9 Radio-r\u00e9sistant) avec 2Go de RAM et 32Go de memoire Flash . Le SnapDragon prend  le contr\u00f4le et le guidage (via une IMU Bosch MEMS de smartphone \ud83d\ude00 et un Garmin LIDAR Lite V3) et la prise de photo couleurs HD Capteur de 13Mpix &#8211;  capteur 4208 X 3120 pixels Sony IMX214 \u00e9quip\u00e9 d un filtre \u00ab\u00a0Bayer\u00a0\u00bb couleur sur la matrice de photo-sites (pixels du capteur) avec un module optique \u00ab\u00a0O-film\u00a0\u00bb,  FOV de 47 deg (horizontal) par  47 deg (vertical) avec une moyenne de  IFOV de  0.26 mRad\/pixel. Une camera N&amp;B VGA Nadir pour la navigation. L&rsquo;avionique quand a elle est g\u00e9r\u00e9 par 2 microcontr\u00f4leurs  Texas Instruments ( TMS570LC43x) g\u00e9r\u00e9 par l UART du SnapDragon qualifi\u00e9s \u00ab\u00a0Automative\u00a0\u00bb qui commande un DSP (ProASIC3L- RadHard) via l interface SPI  du microcontr\u00f4leur. Ce DSP ProASIC3L  g\u00e8re les moteurs brushless via PWM . Il y a sur le Rover une <em>\u00ab\u00a0base station<\/em>\u00a0\u00bb qui \u00e9quip\u00e9 aussi du m\u00eame SnapDragon  (Non qualifi\u00e9 Radio-r\u00e9sistant) permettant d \u00e9changer des informations avec l h\u00e9licopt\u00e8re. l&rsquo;H\u00e9licopt\u00e8re utilise une liaison ZigBee (COTS 802.15.4)en 900Mhz avec un d\u00e9bit de 250Kbps sur 1km  grace au chipset SiFlex 02 fabriqu\u00e9 par LS Research (Version commercial l \u00e9quivalent des Philips Hue \ud83d\ude00 non qualifi\u00e9 pour une utilisation spatiale) pour communiquer avec sa \u00ab\u00a0base station\u00a0\u00bb<\/p>\n\n\n\n<div class=\"gmedia_gallery amron_module is_bot\" id=\"GmediaGallery_130\" data-gmid=\"130\" data-module=\"amron\"><script type=\"text\/javascript\">\n\t(function() {\n\t\tthis['GmediaGallery_130'] = {\n\t\t\t'settings':{\"collectionThumbRecomendedWidth\":\"260\",\"collectionPreloaderColor\":\"333333\",\"linkTargetWindow\":\"_blank\",\"thumbSpacing\":\"10\",\"tagsFilter\":\"1\",\"tagCloudAll\":\"All\",\"tagCloudTextColor\":\"rgba(0, 0, 0, 1)\",\"tagCloudTextColorOver\":\"rgba(255,255, 255, 1)\",\"tagCloudBgColor\":\"rgba(211, 211, 211, 1)\",\"tagCloudBgColorOver\":\"rgba(11, 11, 11, 1)\",\"collectionThumbHoverColor\":\"rgba(0, 0, 0, .7)\",\"collectionThumbContentBGColor\":\"rgba(245,245,245,1)\",\"collectionThumbTitleShow\":\"1\",\"collectionThumbTitleColor\":\"rgba(0,0,0,1)\",\"collectionThumbFontSize\":\"18\",\"collectionThumbDescriptionShow\":\"1\",\"collectionThumbDescriptionColor\":\"rgba(0,0,0,1)\",\"collectionThumbDescriptionFontSize\":\"15\",\"collectionReadMoreButtonLabel\":\"Read More\",\"collectionReadMoreButtonLabelColor\":\"rgba(255, 255, 255, 1)\",\"collectionReadMoreButtonBGColor\":\"rgba(0, 0, 0, 1)\",\"collectionReadMoreButtonLabelColorHover\":\"rgba(0, 0, 0, 1)\",\"collectionReadMoreButtonBGColorHover\":\"rgba(235,235,235,1)\",\"modaBgColor\":\"rgba(0,0,0,0.9)\",\"modalInfoBoxBgColor\":\"rgba(255,255,255,1)\",\"modalInfoBoxTitleTextColor\":\"000000\",\"modalInfoBoxTextColor\":\"333333\",\"infoBarCountersEnable\":\"1\",\"infoBarDateInfoEnable\":\"1\",\"lightBoxEnable\":\"1\",\"sliderPreloaderColor\":\"ffffff\",\"sliderBgColor\":\"rgba(0,0,0,0.8)\",\"sliderHeaderFooterBgColor\":\"000000\",\"sliderNavigationColor\":\"rgba(0,0,0,1)\",\"sliderNavigationIconColor\":\"rgba(255,255,255,1)\",\"sliderNavigationColorOver\":\"rgba(255,255,255,1)\",\"sliderNavigationIconColorOver\":\"rgba(0,0,0,1)\",\"sliderItemTitleFontSize\":\"24\",\"sliderItemTitleTextColor\":\"ffffff\",\"sliderThumbBarEnable\":\"0\",\"sliderThumbBarHoverColor\":\"ffffff\",\"sliderThumbSubMenuBackgroundColor\":\"rgba(0,0,0,1)\",\"sliderThumbSubMenuBackgroundColorOver\":\"rgba(255,255,255,1)\",\"sliderThumbSubMenuIconColor\":\"rgba(255,255,255,1)\",\"sliderThumbSubMenuIconHoverColor\":\"rgba(0,0,0,1)\",\"sliderInfoEnable\":\"1\",\"sliderItemDownload\":\"1\",\"sliderItemDiscuss\":\"1\",\"sliderSocialShareEnabled\":\"1\",\"sliderLikesEnabled\":\"1\",\"customCSS\":\"\",\"module_url\":\"https:\\\/\\\/sophie-matthieu.eu\\\/wp-content\\\/plugins\\\/grand-media\\\/module\\\/amron\",\"license\":\"\",\"post_url\":\"https:\\\/\\\/sophie-matthieu.eu\\\/wp-json\\\/wp\\\/v2\\\/posts\\\/4118\"},\n\t\t\t'appQuery':{\"gmedia__in\":\"885\",\"order\":\"ASC\",\"orderby\":\"gmedia__in\",\"status\":[\"publish\"],\"limit\":100},\n\t\t\t'appApi':\"https:\\\/\\\/sophie-matthieu.eu\\\/?gmedia-app=1&gmappversion=4&gmmodule=1\",\n\t\t\t'appInfo':{\"name\":\"Infra\",\"description\":\"\"}};\n\t})();\n<\/script>\n<\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Vitesse rotor<\/td><td>2400RPM<\/td><\/tr><tr><td>Vitesse extr\u00e9mit\u00e9 des pales<\/td><td>&lt;0.7Mach<\/td><\/tr><tr><td>Temp op\u00e9rationnel <\/td><td>1-5Vols\/30sol (Sol=Jour martien=24h37min22,663sec)<\/td><\/tr><tr><td>Temps de vol<\/td><td>90 secondes<\/td><\/tr><tr><td>Rayon d action<\/td><td>50metres<\/td><\/tr><tr><td>Port\u00e9e radio ZigBee<\/td><td>1000m<\/td><\/tr><tr><td>Hauteur<\/td><td>5m nominal  (3-10m)<\/td><\/tr><tr><td>Vitesse Maximum<\/td><td>Horizontal: 10m\/s &amp; Vertical: 3m\/s<\/td><\/tr><tr><td>Capacit\u00e9 Batterie<\/td><td>35-40Wh (6 Cellules Murata Li-Ion)<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;h\u00e9licopt\u00e8re est un petit plus de la mission, c&rsquo;est un syst\u00e8me compl\u00e8tement exp\u00e9rimental con\u00e7u avec du mat\u00e9riel non calibr\u00e9 pour un environnement difficile comme l atmosph\u00e8re de Mars. \u00ab\u00a0Ingenuity\u00a0\u00bb p\u00e8se environs 2Kg. il a deux rotors en carbone\u00a0contrarotatives tourneront \u00e0 pr\u00e8s de 2400 tours par &hellip; <a href=\"https:\/\/sophie-matthieu.eu\/index.php\/2021\/02\/18\/aeronauticsevents-mars-2020-helicoptere-ingenuity\/\" class=\"more-link\"><span>Continue reading<span class=\"screen-reader-text\">#AeronauticsEVENTS \u2013 Mars 2020, Helicoptere INGENUITY<\/span><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4095,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,12,8],"tags":[],"_links":{"self":[{"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/posts\/4118"}],"collection":[{"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/comments?post=4118"}],"version-history":[{"count":26,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/posts\/4118\/revisions"}],"predecessor-version":[{"id":4171,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/posts\/4118\/revisions\/4171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/media\/4095"}],"wp:attachment":[{"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/media?parent=4118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/categories?post=4118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sophie-matthieu.eu\/index.php\/wp-json\/wp\/v2\/tags?post=4118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}