{"id":220459,"date":"2014-07-02T05:16:00","date_gmt":"2014-07-02T09:16:00","guid":{"rendered":"5a2eec7ecdbe07d9d1e7c678db416d49"},"modified":"2014-07-02T05:16:00","modified_gmt":"2014-07-02T09:16:00","slug":"dropship-with-rover","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=220459","title":{"rendered":"Dropship with rover"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2014\/07\/dropship_with_rover\/14603802-1-eng-GB\/Dropship_with_rover_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nThe &#8216;dropship&#8217; quadcopter and mockup rover used for testing ESA&#8217;s latest StarTiger project, Dropter.&nbsp;The dropship steers itself to lower a rover gently onto a safe patch of the rocky martian surface.&nbsp;Starting from scratch for the eight-month project, the Dropter team was challenged to produce vision-based navigation and hazard detection and avoidance for the dropship.&nbsp;It has to identify a safe landing site and height before winching down its passenger rover on a set of cables.&nbsp;Flying to a maximum height of 17 m, the dropship comes gently down to 10 m above the ground, where it begins lowering the rover on a 5 m-long bridle, coming lower until the rover touches down. Then it returns to a safe altitude.\n<\/p>\n<p>\nThe test platform is about 1 m by 1 m in size, with 41 cm diameter rotors. Its total lift-off mass is about 16.8 kg, with the dropship weighing 13.2 kg and the rover 3.6 kg. Maximum flight time is limited to about 15 minutes due to battery capacity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2014\/07\/dropship_with_rover\/14603802-1-eng-GB\/Dropship_with_rover_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nThe &#8216;dropship&#8217; quadcopter and mockup rover used for testing ESA&#8217;s latest StarTiger project, Dropter.&nbsp;The dropship steers itself to lower a rover gently onto a safe patch of the rocky martian surface.&nbsp;Starting from scratch for the eight-month project, the Dropter team was challenged to produce vision-based navigation and hazard detection and avoidance for the dropship.&nbsp;It has to identify a safe landing site and height before winching down its passenger rover on a set of cables.&nbsp;Flying to a maximum height of 17 m, the dropship comes gently down to 10 m above the ground, where it begins lowering the rover on a 5 m-long bridle, coming lower until the rover touches down. Then it returns to a safe altitude.\n<\/p>\n<p>\nThe test platform is about 1 m by 1 m in size, with 41 cm diameter rotors. Its total lift-off mass is about 16.8 kg, with the dropship weighing 13.2 kg and the rover 3.6 kg. Maximum flight time is limited to about 15 minutes due to battery capacity.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-220459","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/220459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=220459"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/220459\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=220459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=220459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=220459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}