{"id":255,"date":"2019-01-14T14:28:22","date_gmt":"2019-01-14T19:28:22","guid":{"rendered":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/?p=255"},"modified":"2019-01-21T16:01:45","modified_gmt":"2019-01-21T21:01:45","slug":"weekly-meeting-with-sponsor-5-011419","status":"publish","type":"post","link":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/2019\/01\/weekly-meeting-with-sponsor-5-011419\/","title":{"rendered":"Weekly Meeting 5 (1\/14\/19)"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hardware<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Shaan called Ottobock<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Even on the highest settings, there isn\u2019t enough gain for the arm to contract<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Everything else seems to be working<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Will call them back today<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Advice from Emily<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">May not be enough current to drive it<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Might be a power issue<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Try hocking battery supply straight to electrodes<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should check with Ottobock what voltage is needed to drive the motor &#8211; usually 6<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">There are four channel, two that relate to power (positive and negative), so should try putting 6 V across those<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Typically, one input is for open and one is for closed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If there is voltage across both, picks the one with the higher voltage<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Check if it is variable speed &#8212; the higher voltage, moves more quickly<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should start thinking about algorithm while working on the motor<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Try getting quote from Ottobock for how much it would cost for them to fix it for us<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Plan B: there is another hand in their lab that we could use that is a hand without a socket<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Quick disconnect hand<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Port where it makes electrical connections<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">To interface need: <\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Control post<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Purchase Orders<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should be able to submit this week<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Ordering:<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Arduino<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Teensy<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">EMG<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Currently seem to be focusing on Feature extraction and pre-processing, but have been done before<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Have papers on website showing this<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should focus more on the novel part of the project<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Currently planning on mapping step functions, but could be hard with variable speed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should start simple<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">This week<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Presentation on Wednesday<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Building prototype<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Consider how easily donned<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Better to mount on socket than hand<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Should consider the effect of clothing &#8212; maybe consider wrist watch location<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Could 3D print enclosure<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Update Gantt Chart<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Order parts<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Begin looking into signal to motor actuation part of the project<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Looking into EMG to posture mapping<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Looking into hardware and algorithm design and coupling<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Questions<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Can we use open source code?<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">As long as we can document sources, that\u2019s fine<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Next time<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Talk more about PID<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Hardware Shaan called Ottobock Even on the highest settings, there isn\u2019t enough gain for the arm to contract Everything else seems to be working Will call them back today Advice from Emily May not be enough current to drive it Might be a power issue Try hocking battery supply straight to electrodes Should check with&#8230;<\/p>\n","protected":false},"author":7954,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-weekly-meetings-with-sponsor"],"_links":{"self":[{"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/users\/7954"}],"replies":[{"embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":3,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":279,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/posts\/255\/revisions\/279"}],"wp:attachment":[{"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/forcebasedprosthesiscontroller\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}