基于51单片机步进电机毕业设计外文资料原文与译文.pdf

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外文原文

Steppingmotorapplicationandcontrol

Steppingmotorisanelectricalpulsewillbeconvertedintoangulardisplacementofthe

implementingagencies.Putitinsimplelanguage-speaking:Whenthestepperdrivepulsesignalto

areceiver,itdrivessteppermotorrotationdirectionbysettingafixedpointofview(andthestep

angel).Youcancontrolthenumberofpulsestocontroltheamountofangulardisplacement,soas

toachievethepurposeofaccuratepositioning;Atthesametime,youcanbycontrollingthepulse

frequencytocontrolthemotorrotationspeedandacceleration,soastoachievethepurposeof

speed.

SteppingmotordirectlyfromtheAC-DCpowersupply,andmustusespecialequipment-stepper

motordrive.Steppingmotordrivesystemperformance,inadditiontotheirownperformance

withthemotorontheoutside.butalsotoalargeextentdependonthedriveisgoodorbad.A

typicalsteppermotordrivesystemisoperatedbythesteppermotorcontroller,steppermotor

drivesandsteppermotorbodyiscomposedoftherrparts.Steppingmotorcontrollerstepper

pulseanddirectionsignal,eachmadeofapulse,steppermotor-drivensteppermotordrivesa

rotorrotatingstepangle,thatis,step-by=stepfurther.Highorlowspeedsteppermotor,or

speed,ordeceleration,startorstoppulsesareentirelydependentonwhetherthelevelor

frequency.Decidethedirectionofthesignalcontrollersteppermotorclockwiseor

counterclockwiserotation.Typically,thesteppermotordrivecircuitfromthelogiccontrol,power

drivercircuit,protectioncircuitandpowercomponents.Steppingmotordrivecontroller,once

receivedfromthedirectionofthesignalandsteppulse,thecontrolcircuitonapre-determined

wayoftheelectricalpower-phasesteppermotordrivecontroller,oncereceivedfromth

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