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简介：

简介：Inordertoachieveawheelchairliftfunction,thispaperdesignsatri-scissorsmechanism.Throughtheso-calledH-typetransmissionandL-typeswingrod,thethreescissorsmechanismsliftinthesameratewithonlyonelinermotorwhileensuringthestabilityofthelift.FiniteelementanalysisinANSYSisperformedtoverifythematerialstrength.ThecontrolsystemwithSunplusSCMachievesthevoicecontrolofwheelchairwalkingandlifting.

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简介：Ｔｏｐｏｌｏｇｉｃａｌｎａｍｉｎｇｍｅｃｈａｎｉｓｍｉｎｆｅａｔｕｒｅ＿ｂａｓｅｄｍｏｄｅｌｉｎｇＪｕｎｊｕｎＷｕ，ＴｏｎｇｙａｎｇＷａｎｇ，ＸｉｎｆａｎｇＺｈａｎｇａｎｄＪｉｚｈｏｕＣｏｍｐｕｔｅｒＡｉｄｅｄＤｅｓｉｇｎＣｅｎｔｅｒ，ＨｕａＺｈｏｎ...

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简介：Motioncontrolcanbeconsideredasthesynergisticcollaborationofmechanicalandelectricalengineering,computerscienceandinformationtechnologytoapplyacontrolledforcetoachieveusefulmotioninfluidorsoiledelectromechanicalsystems.Withthedevelopmentofcomputer,electronics,andautomaticcontroltheory,motioncontrolcomestoanewstage.Greatapplicationsarebasedonthecharacteristics,stemmingfromadvantagesofelectronicsandmoderncontroltechnologyachievements,havingaverygoodloadmatchingproperty.Currently,microprocessor-basedcontrollersareinvariablyusedinmostapplicationsofdriveelectronics.Theobjectofthisworkistodesignapositioncontrolmechanismsystem,whichcanbeusedintestsectionoflowspeedwindtunnel.Systemloadspecificationsandperformancerequirementsaregiven.Acomprehensivestudyofmathematicalmodelingofthemechanismcomponentsisgiven.Procedureforselectionofvariouscomponentswithoptimumparametersisdiscussed.Afterselectionandcalculationofsystemparameterstomeettheperformancerequirements,aPIDcontrolmethodisadopted.

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简介：

简介：