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1、步进电机概述中英文资料对照外文翻译文献综述外文文献：KnowledgeofthesteppermotorWhatisasteppermotor：Thesteppingmotorasexecutingcomponents,electromechanicalintegrationisoneofthekeyproducts,widelyusedinavarietyofautomaticcontrolsystems.Withthedevelopmentofmicroelectronicsandcomputertechnology,thestepper
2、motordemandgrowwitheachpassingday,hasbeenappliedinvariousfieldsofthenationaleconomy. Steppingmotorisakindofelectricalpulsesintoangulardisplacementoftheimplementingagencies.Whensteppingdrivereceivesapulsesignal,itdrivessteppermotorrotateinthedirectionsetbyafixedangle(calledt
3、he"step"),itistherotationatafixedanglestepbystepoperation.Thenumberofpulsestocontroltheamountofangulardisplacementthroughthecontrol,soastoachievethepurposeofaccuratepositioning;alsocancontrolthepulsefrequencytocontrolmotorrotationspeedandacceleration,soastoachievethepurpose
4、ofspeed.Specialmotorsteppermotorcontrolcanbeusedasa,usingitsnoaccumulationoferror(accuracyof100%)characteristics,widelyusedinallkindsofopen-loopcontrol. Nowmorecommonlyusedstepmotorcomprisessteppermotor(VR),permanentmagnetsteppermotor(PM),hybridsteppingmotor(HB)andsingle-p
5、hasesteppingmotor. Permanentmagnetsteppermotorforgeneraltwo-phase,torqueandsmallvolume,thestepangleis7.5degreeor15degree; Reactionsteppingmotorisgenerallythree-phase,canachieveahightorqueoutput,stepangleis1.5degrees,butthenoiseandvibrationaregreat.Therotormagneticcircuitm
6、adeofsoftmagneticmaterialreactionsteppermotor,amulti-phaseexcitationwindingstator,usingmagnetic-19-torquechanges. Hybridsteppingmotorismixedtheadvantagesofpermanentmagnettypeandreactiontype.Itisdividedintotwophaseandfivephase:two-phasestepperangleis1.8degreeandfivephaseste
7、pperangleis0.72degrees.Applicationofthesteppingmotoristhemostwidely,isalsothissubdivisiondrivingofsteppermotorselectionscheme. Someofthebasicparametersofstepmotor: Thenaturalstepmotor: Itsayseveryhairasteppulsesignalcontrolsystem,motorrotationangle.Motorfactoryisastepang
8、levalues,suchastype86BYG250Amotorisgivenavalueof0.9°/1.8°(saidahalfstepofworkis0.9
