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英文原文ControlsystemofsteppermotorbasedonroundnessandcylindricitymeasuringvirtualinstrumentQIFa-Quna，JINGXue-Dongb，HEKAIc,a*aSchoolofMechanicalandElectronicEngineering，ShaanXiUniversityofscienceandtechnology，Xi’an,710021,ChinabShanghaiInstituteofTechnology,shanghai,201418,ChinacWESTERNMETALMATERIALSCO.,LTD，baoji,721014,ChinaAbstractThecontrolsystemusesLABVIEWasthesoftwaredevelopmentplatform.ThesystemincludesADLINKmotioncontrolcardPCI-8134,LEETROsteppermotordriversDMD402A,andtableswithLEETRODM4240Asteppermotors.ThesystemusesADLINKPCI-8134tosendsteppingpulsesignalPULanddirectionlevelsignalDIRtocontrolthesteppermotor’srotationangleanddirection,achievingthemotor’positiveandnegativerotation,acceleration,constantspeedanddeceleration,thenachievingtheradialmotionoftable’sZ-axisslideralongthesurfaceofthemeasuredpart,theaxialmotionofX-axisslideralongthesurfaceofthemeasuredpartandthespindlerotationforthemeasurementofroundnessandcylindricity.©2011PublishedbyElsevierLtd.Selectionand/orpeer-reviewunderresponsibilityof[CEIS2011]Keywords:Steppermotorcontrol;LABVIEW;VirtualInstrumentIntroductionThesteppermotorismainlyusedinopen-loopcontrolsystem.Becauseofitssimplestructure,reliability,wellcontrolled,anti-interferenceability,noaccumulatederroranddirectdigitalcontrol,thesteppermotoriswidelyusedinautomaticcontrolsystems.Inthedesignofsteppermotorcontrolsystem,thetraditionalmethodistouselogiccircuitsorsinglechiptocontrolsteppermotor,conditioningtheinputanalogsignalsandconvertingthesignalsintodigitalsignalsbytheA/D,thenamicroprocessorinaccordancewiththefunctionrequirementdoesnecessaryanalysisandprocessingonthecollecteddata,andthentheprocesseddataisstoredanddisplayedoroutputtheanalogsignalsconvertedbyD/A.Butthetraditionalsystemhasproblemssuchasslowsamplingrate,lowcontrolprecision,longdevelopmentcycleandPoorportability.TheuseofvirtualinstrumentgraphicalprogrammingsoftwareLABVIEWtocontrolsteppermotorhasadvantagessuchassimplehardwarestructure,simpleprogramming,friendlyinterface,
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