外文翻译---混合式步进电机及其驱动

《外文翻译---混合式步进电机及其驱动》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、附录AHybridSteppingMotorsandDrivesHybridsteppingmotorsderivetheirnamefromthefactthattheirconstructionisahybridbetweenpermanentmagnetandreluctancemotortopologies.Theirinherentpositionalaccuracymakesthemsuitableforawiderangeofmotioncontrolandindustrialpositioningapplicati

2、ons.Thisarticleexplainstheconstructionandoperationofthehybridsteppingmotor.Powerconvertertopologiesarepresentedwhicharecommonlyusedinhybridsteppingmotordrives.Methodsarediscussedofenhancingperformancebeyondthatachievablebytraditionalmethods.Itisshownthatthefallincosto

3、fpowerelectronicdevicesisenablingfurtherenhancementsofsteppingmotordrivetechnology,broadeningtherangeofapplicationsforthisclassofmotor.byJ.D.WaleandC.PollockHybridsteppingmotordriveapplicationsHybridsteppingmotorsderivetheirnamefromthefactthattheirconstructionisahybri

4、dbetweenpermanentmagnetandreluctancemotortopologies.HybridsteppingmotorsrangefromminiaturemotorshavingoutputsmeasuredinuNmanduWtomotorproducingupto60Nmoftorqueand2kWofshaftpower.Steppingmotorshavetraditionallybeenusedinapplicationsatspeedsupto2000/3000r/min,butrecente

5、nhancementsindrivetechnologyandimprovementsinmotordesignareenablingtheoperatingspeedofsteppingmotorstobeincreased.Hybridsteppingmotorsareinherentlysuitedtoprovidingmotionindiscrete,smallsteps.Asaresult,theyareidealinapplicationswhereapieceofequipmentmustbemovedandposi

6、tionedaccurately,usuallyaccordingtoinstructionsfromadigitalcontroller.Steppingmotorsaresuitedtodrivinglow-speedhigh-frictionloadsandareidealforpoint-to-pointpositioningsystemsandapplicationsneedingshortrapidmoves.Theyhavetheadvantageofbeingabletooperatewithoutfeedback

7、devicesandthis,coupledwiththeabsenceofbrushes,makessteppingmotorsvirtuallymaintenancefree.Theygiveanon-cumulativeerroroveranydistanceandareinherentlydigitalinoperationastheiroperationisbasedonconvertingelectricalpulsesintomechanicalmovementinfixedincrements.Steppingmo

8、torsfindapplicationsinmanyindustrialareassuchaspackingmachines,conveyorsystems,robotarmmovement,liftandstackmachinetools.Des