{"id":1355,"date":"2014-03-04T11:08:03","date_gmt":"2014-03-04T11:08:03","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=1355"},"modified":"2022-02-18T15:05:16","modified_gmt":"2022-02-18T15:05:16","slug":"dc-motor-types","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/motors-electronics\/dc-motors\/dc-motor-types","title":{"rendered":"DC Motor Types"},"content":{"rendered":"<p>\n&nbsp;\n<\/p>\n<h4>\nDC Brushed Motors<br \/>\n<\/h4>\n<p>\nThe original DC motor and still the best suited for many applications. &nbsp;\n<\/p>\n<p>\nYou get bags or torque by giving it current (they develop a maximum torque when stationary, linearly decreasing as speed increases).\n<\/p>\n<p>\nBrushed DC motors generally have lots of commutators. &nbsp;This means they are often superior for low RPM applications compared to brushless&nbsp;DC motors, as brushless can give you a steppy&nbsp;feel at low speed.\n<\/p>\n<p>\nDriving of brushed DC motors is nice and simple and in applications needing a good feedback loop it can be&nbsp;possible to do this in simple electronics rather than needing to use a&nbsp;software loop of some kind.\n<\/p>\n<p>\nLarger brushed DC motors give you loads or torque at low speed and in some applications&nbsp;are used without gearboxes to remove gearbox friction etc and provide very fast motor response (e.g. haptic feedback, gyro stabilised&nbsp;heads, etc). &nbsp;Smaller motors need to operate at a faster RPM with a a gearbox to give the same torque output. Planetary gearboxes usually&nbsp;give the lowest friction. &nbsp;The higher the gearbox ration the smaller the motor can be but the more gearbox friction etc there is.\n<\/p>\n<p>\nDownsides of brushless:\n<\/p>\n<p style=\"margin-left: 40px;\">\nBrush wear out\n<\/p>\n<h4>\nBrushless DC Motors (BLDC&nbsp;or BL Motor)<br \/>\n<\/h4>\n<p>\nAlso known as electronically commutated motors (ECM or&nbsp;EC motor).\n<\/p>\n<p>\nBrush-less motors don&#39;t have brushes to wear out and are often superior to brushed DC motros in higher RPM applications. Can give a &quot;steppy&#39; feel at low RPM due to the drive method needed.\n<\/p>\n<h4>\nHarmonic Drive servo motors<br \/>\n<\/h4>\n<p>\nVery good high end servo motors,&nbsp;very expensive!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; DC Brushed Motors The original DC motor and still the best suited for many applications. &nbsp; You get bags or torque by giving it current (they develop a maximum torque when stationary, linearly decreasing as speed increases). Brushed DC motors generally have lots of commutators. &nbsp;This means they are often superior for low RPM [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[],"class_list":["post-1355","post","type-post","status-publish","format-standard","hentry","category-dc-motors"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/comments?post=1355"}],"version-history":[{"count":2,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1355\/revisions"}],"predecessor-version":[{"id":1359,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1355\/revisions\/1359"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=1355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=1355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=1355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}