{"id":230,"date":"2016-04-01T14:53:49","date_gmt":"2016-04-01T21:53:49","guid":{"rendered":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/?page_id=230"},"modified":"2017-06-30T14:12:11","modified_gmt":"2017-06-30T21:12:11","slug":"hysteresis-elimination-in-mr-brakes","status":"publish","type":"page","link":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/hysteresis-elimination-in-mr-brakes\/","title":{"rendered":"Hysteresis elimination in MR-brakes"},"content":{"rendered":"<br \/>\n<section id=\"builder-section-1459548068549\" class=\"row single gutter pad-top\">\n<div style=\"\" class=\"column one \">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-234 alignleft\" src=\"https:\/\/wpcdn.web.wsu.edu\/wp-vancouverlabs\/uploads\/sites\/1185\/2016\/04\/Hysteresis.jpg\" alt=\"Hysteresis\" width=\"231\" height=\"179\" \/>MR-brakes have very desirable characteristics but they also have hysteresis behavior. The hysteresis creates control challenges and significant residual off-state torque which prevents use of high gear ratios with MR-brakes.<\/p>\n<p>We developed a novel control scheme with an embedded sensor.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-111 alignleft\" src=\"https:\/\/wpcdn.web.wsu.edu\/wp-vancouverlabs\/uploads\/sites\/1185\/2016\/02\/nsflogo3.jpg\" alt=\"nsflogo3\" width=\"60\" height=\"66\" \/><\/p>\n<p>Funded by a grant from the National Science Foundation.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>United States Patent:<\/strong><\/em> Magnetorheological Devices and Associated Control Methods, U.S. Patent 9,093,214 B2, July 28, 2015<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Publications<\/strong><\/em><\/p>\n<ul>\n<li>&#8220;Magnetic induction control with embedded sensor for elimination of hysteresis in magnetorheological brakes,&#8221; Journal of Intelligent Material Systems and Structures, vol. 23, no. 4, pp. 426-439, 2012.<\/li>\n<li>&#8220;Virtual needle insertion with haptic feedback using a hybrid actuator with DC servomotor and MR-brake with Hall-effect sensor,&#8221; <em>Mechatronics<\/em>, vol. 22, 2012.<\/li>\n<\/ul><\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-234 alignleft\" src=\"https:\/\/wpcdn.web.wsu.edu\/wp-vancouverlabs\/uploads\/sites\/1185\/2016\/04\/Hysteresis.jpg\" alt=\"Hysteresis\" width=\"231\" height=\"179\" \/>MR-brakes have very desirable characteristics but they also have hysteresis behavior. The hysteresis creates control challenges and significant residual off-state torque which prevents use of high gear ratios with MR-brakes.<\/p>\n<p>We developed a novel control scheme with an embedded sensor.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-111 alignleft\" src=\"https:\/\/wpcdn.web.wsu.edu\/wp-vancouverlabs\/uploads\/sites\/1185\/2016\/02\/nsflogo3.jpg\" alt=\"nsflogo3\" width=\"60\" height=\"66\" \/><\/p>\n<p>Funded by a grant from the National Science Foundation.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>United States Patent:<\/strong><\/em> Magnetorheological Devices and Associated Control Methods, U.S. Patent 9,093,214 B2, July 28, 2015<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Publications<\/strong><\/em><\/p>\n<p>&#8220;Magnetic induction control with embedded sensor for elimination of hysteresis in magnetorheological &#8230; <a href=\"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/hysteresis-elimination-in-mr-brakes\/\" class=\"more-link\"><span class=\"more-default\">&raquo; More &#8230;<\/span><\/a><\/p>\n","protected":false},"author":2136,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-builder.php","meta":{"_wsuwp_accessibility_report":[]},"wsuwp_university_location":[],"wsuwp_university_org":[],"_links":{"self":[{"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/pages\/230"}],"collection":[{"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/users\/2136"}],"replies":[{"embeddable":true,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":8,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/pages\/230\/revisions"}],"predecessor-version":[{"id":379,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/pages\/230\/revisions\/379"}],"wp:attachment":[{"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"wsuwp_university_location","embeddable":true,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/wsuwp_university_location?post=230"},{"taxonomy":"wsuwp_university_org","embeddable":true,"href":"https:\/\/vancouver.labs.wsu.edu\/robotics-and-automation\/wp-json\/wp\/v2\/wsuwp_university_org?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}