{"id":227,"date":"2022-11-13T06:38:54","date_gmt":"2022-11-13T11:38:54","guid":{"rendered":"https:\/\/elin.website\/?p=227"},"modified":"2025-11-07T21:38:49","modified_gmt":"2025-11-08T02:38:49","slug":"robogrinder-stm32g474-constant-power-and-super-capacitor","status":"publish","type":"post","link":"https:\/\/elin.website\/index.php\/2022\/11\/13\/robogrinder-stm32g474-constant-power-and-super-capacitor\/","title":{"rendered":"Robogrinder: stm32g474 constant power converter and super capacitor"},"content":{"rendered":"\n<p>It&#8217;s an ongoing project for Robot development for Robogrinder: an undergraduate engineering design team at Virginia Tech that competes in the DJI RoboMaster University Championship.<\/p>\n\n\n\n<p>This circuit board is a digital power converter for charging or discharging the super capacitor. STM32 g474 is used as the main controller to provide a precise wave (up to 5.4ghz) to switch  MOSFET. Several OPAMP circuits provide the information of input current and voltage to MCU for PID and type3(improvement PID) algorithm.<\/p>\n\n\n\n<p>This project is developed from an old project also for Robogrinder.<\/p>\n\n\n\n<p><a href=\"https:\/\/elin.website\/?p=217\" data-type=\"post\" data-id=\"217\">Robogrinder: two-stage buck-boost-boost DCDC converter with stm32g474, constant power enable<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/elin.website\/wp-content\/uploads\/2022\/11\/7b752835945a5c3873e1e7fca4a610c-768x1024.jpg\" alt=\"\" class=\"wp-image-274\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/elin.website\/wp-content\/uploads\/2022\/11\/652d09d9c508496162017717107d388-1024x768.jpg\" alt=\"\" class=\"wp-image-275\"\/><\/figure>\n\n\n\n<p>A super capacitor board is made for the competition as well. 10 super capacitors are implemented and safety circuits for each capacitor to prevent over-charging are on the board.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/elin.website\/wp-content\/uploads\/2022\/11\/9130772e844d170210b450af0c8d0ae-1024x768.jpg\" alt=\"\" class=\"wp-image-276\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s an ongoing project for Robot development for Robogrinder: an undergraduate engineering design team at Virginia Tech that competes in the DJI RoboMaster University Championship. This circuit board is a digital power converter for charging or discharging the super capacitor. STM32 g474 is used as the main controller to provide a precise wave (up to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-show-case"],"_links":{"self":[{"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/comments?post=227"}],"version-history":[{"count":1,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/posts\/227\/revisions"}],"predecessor-version":[{"id":421,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/posts\/227\/revisions\/421"}],"wp:attachment":[{"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/media?parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/categories?post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elin.website\/index.php\/wp-json\/wp\/v2\/tags?post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}