2b:null 2c:["$","title",null,{"children":"Rotary vs Eccentric | aallman | Observable"}] 31:T82f,html` `32:[] 2f:{"id":"1ee5351d03eaedab","slug":"rotary-vs-eccentric","title":"Rotary vs Eccentric","thumbnail":"f952d939f9a86aeade77587a85fe933ef15a4624b7fdbe49db295c761bbb7576","access_level":"public","create_time":"$D2021-10-26T19:03:14.018Z","update_time":"$D2021-11-02T17:21:45.693Z","view_time":null,"first_public_time":"$D2021-10-27T19:57:21.935Z","fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"ed4d001e00049698","login":"aallman","name":"","avatar_url":"https://avatars-next.observableusercontent.com/3e12326494164eb7b07e4e2586bc8100a17b022344acc0e296c608cb34f8453b","tier":"starter_2024"},"version":268,"publish_version":268,"role":null,"authored":false,"authors":[{"type":"individual","id":"0baa8c389b124206","login":"aallman","name":"","avatar_url":"https://avatars-next.observableusercontent.com/3e12326494164eb7b07e4e2586bc8100a17b022344acc0e296c608cb34f8453b","tier":null}],"members":[{"type":"individual","id":"0baa8c389b124206","login":"aallman","name":"","avatar_url":"https://avatars-next.observableusercontent.com/3e12326494164eb7b07e4e2586bc8100a17b022344acc0e296c608cb34f8453b","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"title":"Rotary vs Eccentric","cells":[{"id":0,"value":"# Rotary vs Eccentric","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":166,"value":"md` Quick and dirty evaluation of the expected position error when using a rotary motion profile to control an eccentric press. You can drag the angle slider back and forth to see the tracking error at that rotor angle.\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":67,"value":"viewof zoom = Inputs.range([0.5, 8], {value: 2, step: 0.1, label: \"Zoom\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":75,"value":"viewof angle = Inputs.range([0, 360], {value: 0, step: 0.1, label: \"Angle\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":190,"value":"xl200DiePosition=(radius*(1+Math.sin(-1*angle*Math.PI/180))).toFixed(3)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":149,"value":"trackingError = (xEccentric-xRotary).toFixed(4)+\" in.\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":3,"value":"$31","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":12,"value":"viewof radius = Inputs.range([3, 6], {value: 3.4, step: 0.1, label: \"Radius\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":202,"value":"viewof startPosition = Inputs.range([0, radius], {value: 2.25, step: 0.05, label: \"Start speed match\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":218,"value":"startAngle = (180-(Math.asin((radius-startPosition)/radius)*180/Math.PI)).toFixed(3)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":44,"value":"viewof bosClearance = Inputs.range([-1, 1], {value: 0, step: 0.1, label: \"B.O.S. Clearance\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":109,"value":"centerDistance=radius*2+bosClearance","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":143,"value":"xRotary = -2*Math.PI*radius*(angle-180)/360","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":146,"value":"xEccentric = -1*radius*Math.sin((angle-180)*Math.PI/180)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W32","stdlib":"1","titling":"auto"}} 30:"$2f:body"