基于現(xiàn)場總線的電動執(zhí)行控制系統(tǒng)的研制

1、華中科技大學(xué)碩士學(xué)位論文基于現(xiàn)場總線的電動執(zhí)行控制系統(tǒng)的研制姓名：袁媛申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：王雙保20070529IIAbstractBecauseofthedevelopmentsoftheautomationinstrumentationindustrytheperfmancesofelectricactuatwillbebetterbetter.Atthesametimetheapplicationofelec

2、tricactuatswillbewiderwiderasthemarketdemofvalvesisrising.Withthedevelopmentsofthetechnologyofmicroelectronicssensscommunicationswkmechatronicselectricactuatwillenteradigitalintelligentwkera.Theintelligentelectricactuatb

3、asedonfieldbusiscomposedofintelligentcontrolleractuat.TheintelligentcontrollerthatjoinedbySCMFCSisusedtocontrolthevalveswitch.ItcannotonlyreceiveanalogsignalsfromregulatsbutalsoreceivedigitalsignalsfromPC.Thenthesesignal

4、sarechangedtoangulardisplacementlineardisplacementtodrivethevalves.Becauseofthesethecontrollercanmaketheprocesscontrollingcometrue.Actuatiscomposedofmotshiftgearvalve.Thispaperdwellsonthreepartswhichisthedesignofhardware

5、circuitofthecontrollersoftwareofthecontrollerinterfaceofthePC.TheceofthecontrollerisADuC812SCM.photoelectricityseclusioninputoutputcircuitlimitcircuitindependentpowercircuithighreliabilitymotdrivecircuitaccuratepositionf

6、eedbackcircuitflexiblehumanmachineinterfacecircuitareused.SoftwareofthecontrolleriscomposedofselfadjustingprogramcontrolalgithmprogramhumanmachineexchangeofinfmationprogramserialcommunicationprogramwhichuseRS485asitscomm

7、unicationprotocoletc.isusedintheinterfaceofthePC.Thisinterfacehashighvisibilityitcanmonittheoperationoftheactuat.Atthesametimetheelectricactuatcontrolsystemistested.thedesignofthesoftwarehardwareofthesystemisprovedcrectl

8、ybythetestresults.Attheendofthispapertheexistingproblemsareanalyzed.AgainsttheseproblemsanewkindofintelligentelectricactuatbasedonOpticalmechanicalelectricalintegrationisputfwarditsoperationmethodsaregiven.Keywds:electri