基于步進(jìn)電機閉環(huán)驅(qū)動的排纜機構(gòu)控制的研究.pdf

1、中南大學(xué)碩士學(xué)位論文基于步進(jìn)電機閉環(huán)驅(qū)動的排纜機構(gòu)控制的研究姓名：曹粲申請學(xué)位級別：碩士專業(yè)：物理電子學(xué)指導(dǎo)教師：曹建20090530碩士學(xué)位論文ABSTRACrABSTRACTFortheneedofproject，thepaperdesignanselfaligningdeviceofwendlassThesystemtakesteppermotorforexecutionunit，useintelligentizecontrolf

2、unctionofcontroller，andrealtimetransferworkconditionofwendlass，tomakeaclose—cyclecontrolofselfaligningdevice，andachievethepurposeofsynchronizeoftakeupandwindingdisplacementThePaperanalyzeanddisgussSubdividedrivetechnic，o

3、pen—loopcontrolandclosedloopcontr01Whenadoptopenloop，becauseoflackoffeedbackinputenergeandoutputenergecan’tstrikeabalanceInthetimeofworkofmotor，thesystemalwayshavesomemattersuchassurge，losestepandtheoutputtorqueissmallAn

4、dthesystemCan’tfindagoodprosessofraisingspeed，SOitsresponsecharacteristicispoor，andhaveapoorabilityofresistthewaveoflaodTodriveleadingscrewinopen—loopwillmadealoudyawp，andhavealowcontrolprecision，consequentlymadeselfalig

5、ningdevicehavealowprecisionInsertfeedbacktacheofplaceandvelocityintheopenloopsystemcana由ustparameterofstateandcreataselfinphaseclose—loopsystembecauseofthedriveofmotorcanmakedecisionofwindingcurrentestatebyinformationofp

6、lacethatgetbyfeedback，SOthesystemhaveacharacteristicofhighstabilityandresponsespeedandwideareaofhighfrequencyTheselfaligningdeviceofwendlassisformedofdisplacementpickup，Acquisitionofsignal，MicroprocessorUnit，driveofstepp

7、ingmotor，encodingboard，fork，leadingscrewandSOonControlsteppermotorincloseloopbyST89C54RD十a(chǎn)pplyhighpowerSpecialPurposeChipofdrivemotortodesignasubdivisiondrivesystemofsteppermotor，andachievethepurposeofconstantcurrentcont

8、rol，reversal，overcurrentprotection，multi—positionselectivesubdivisionUsedisplacementpickupwhichmadebyreedpipetoformancloseloopsystemCreateamathematicalmodelofsteppermotor，anddesignafuzzyPIDcontrollerapplyinclose—loopsyst