基于plc的直流調(diào)速系統(tǒng)設(shè)計

1、中南大學(xué)中南大學(xué)本科生畢業(yè)論文本科生畢業(yè)論文(設(shè)計設(shè)計)題目基于PLC的直流PWM可逆調(diào)速系統(tǒng)的設(shè)計學(xué)生姓名指導(dǎo)教師學(xué)院信息學(xué)院專業(yè)班級完成時間AbstractDCmothasexcellentperfmancetheapplicationinthemodernindustryproductionisveryextensive.WiththedevelopmentofsciencetechnologytheDCmotspeedcontr

2、olisrequiredtohavehigheraccuracymeregulationofintelligent.Therearemanyproductionmachineryrequirementsfmotbothfwardcanreverseoftenalsoneedafaststartbrakewhichrequireselectricdrivesystemhastheacteristicsoffourquadrantopera

3、tionthatistosayneedreversiblespeedcontrolsystem.ThroughaccesstorelevantinfmationhaveameindepthunderstingoftheDCmotspeedcontrol.TheinitialIhavecarriedontheanalysisfromtheresearchbackgroundsignificancecurrentsituationdevel

4、opmenttrendofdomesticfeignDCspeedcontrolsystemareinvestigated.AccdingtothesystemdemthroughavarietyofprogramanalysisargumentationthefinalionofthecircuitstructureofHbipolarreversiblePWMasdrivingcircuitofDCmotthedoubleclose

5、dloopthecurrentloopspeedloopfeedbackregulation.Basedontherequirementofhighperfmancefthespeedcontrolsystemisnotveryhighbutalsotakeintoaccounttheeasyrealizationdegreealgithmtheadvantagesdisadvantagesofcompromisealgithmchoo

6、sesthePIDcontrolasthesystemcontrolstrategy.Thenmaloperationofacompletecontrolsystemmustincludinghardwaresoftwaretwoparts.Inaccdancewiththerequirementsofthecontrolsystemthehardwaresoftwarepartofthesystemistodothedesignthr

7、oughthePLCcontrolprocedurestoachievereversibleDCmotspeedcontrol.Finallythehardwarecircuitdiagramofthewholesystem.InthebasictheyonthedesigniscompletedthenI’vedonetheinstallationdebuggingofthecontrolsystemsoftwarehardware.