伺服电机驱动方案的选型流程.pdf

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1、Servomotors/ServoDriversServoMotorSelectionFlowChartExplanationReferencesDeterminethesize,mass,coefficientoffriction,and---externalforcesofallthemovingpartoftheServoMotortherotationofwhichaffects.Determinetheoperatingpattern(relationshipOperationPatternFormulabetweenti

2、meandspeed)ofeachpartthatmustbecontrolled.Converttheoperatingpatternofeachcontrolledelementintothemotorshaftoperatingpattern.TheelementsofthemachinecanbeseparatedsoInertiaFormulasthatinertiacanbecalculatedforeachpartthatmovesastheServoMotorrotates.Calculatetheinertiaap

3、pliedtoeachelementtocalculatethetotalloadinertiaofthemotorshaftconversionvalue.CalculationofFrictionTorqueLoadTorqueFormulasCalculatesthefrictionalforceforeachelement,wherenecessary,andconvertsittofrictiontorqueforamotorshaft.CalculationofExternalTorqueCalculatestheext

4、ernalforceforeachelement,wherenecessary,andconvertsittoexternaltorqueofamotorshaft.Calculatesthetotalloadtorqueforthemotorshaftconversionvalue.Selectamotortemporarilybaseduponthemotor---shaftconvertedloadinertia,frictiontorque,externaltorqueandr.p.mofamotor.Calculateth

5、eAcceleration/DecelerationTorqueAcceleration/DecelerationfromtheLoadInertiaorOperatingPattern.TorqueFormulasCalculatethenecessarytorqueforeachpartoftheCalculationofMaximumOperatingPatternfromtheFrictionTorque,ExternalMomentaryTorque,TorqueandAcceleration/DecelerationTo

6、rque.EffectiveTorqueConfirmthatthemaximumvaluefortheTorqueforeachoperatingpart(MaximumMomentaryTorque)islessthantheMaximumMomentaryTorqueofthemotor.CalculatetheEffectiveTorquefromtheTorqueforeachOperatingpart,andconfirmthatitislessthantheRatedTorqueforthemotor.Calculat

7、eRegenerativeEnergyfromtheTorqueofPleaseseetheuserallthemovingparts.manualofeachproductforthedetailsoncalculationoftheregenerativeenergy.CheckifthethenumberofencoderpulsesmeetsAccuracyofPositioningthesystemspecifiedresolution.Checkifthecalculationmeetsthespecifications

8、ofThefollowingtablethetemporarilyselectedmotor.Ifnot,changethetemporarilyselectedmotorandre-calculateit.SpecializedCh