基于DSP动力磁悬浮轴承悬浮控制系统研究

《基于DSP动力磁悬浮轴承悬浮控制系统研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、分类号：UDC：密级：v1404927学校代号：10150学号：20052168戈建交通戈挚硕士学位论文基于DSP动力磁悬浮轴承悬浮控制系统研究ResearchonPowerMagneticBearinglevitationControlSystemBasedonDSP学生姓名：导师及职称：学科门类：专业名称：韩勇葛研军教授工学控制理论与控制工程研究方向：动力磁悬浮轴承及控制系统申请学位级别：论文答辩日期：学位授予单位：硕士大连交通大学大连交通人学工学硕士学位论文AbstractPowerMagneticBeatingcombinesrotationdr

2、ivingandradialsuspensioninawhole，ithasmanyadvantagesthatmechanicalbeatingandmagneticbearingcan’tcompare，andhasopenupanewresearchapproachforrotatingmachinerydeveloping．PowerMagneticBearingmainlyincludesPermanent-magnetSynchronoustype，induction—type，reluctance—typeandSOon．Thepaperi

3、smainlystudyingonsuspensionmechanismandcontrolmethodforinductionPowerMagneticBeating．(1)BasedondomesticandoverseasdevelopingstatusandresearchprogressofPowerMagneticBearing，alsoaccordingtoitssuspensionprinciple，themathematicalmodelofradicalsuspensionforcecontainingrotoreccentricit

4、yisbuilt．(2)AccordingtostrongcouplingcharacteristicofPowerMagneticBearing，thecouplingrelationshipbetweentorquesubsystemandsuspensionsubsystemisanalyzed．BasingondecouplingmethodofU—Imodel，thesuspensiondecouplingalgorismformulaisdeducedandtheindependentcontrolalgorismofsuspensionwi

5、ndingisbuilt．Simulationandexperimentresultverifythevalidityofthealgorism．(3)DigitalcontrolsystemadoptingDSP(TMS320LF2407A)ascoreisdesigned，containingrotordisplacementdetectingsystem，suspensionwindingcurrentdetecting，PIDcontrolandSOon．Meanwhile，maincircuitofsystem，over-voltageandu

6、nder-voltageprotectioncircuitandpumpprotectioncircuitaredesigned，whichimprovethesuspensioncontrolreliabilityofPowerMagneticBearing．(4)AccordingtothepureintegratinglinkintroduceddecouplingcontrolalgorismforU—Imodel，anewintegratingalgorismusingtwofirst-orderlow-passfilterstoreplace

7、pureintegratinglinkisprovided，whicheliminatesdirectcurrentbiasederrorandinitialerrorscausedbypureintegratinglink，andimprovestherotationaccuracyofrotor．(5)RotorofPowerMagneticBearinghashighsensitivityforexternaldisturbance，inordertoachievereal．timecontrolforsystem，allprogramsinthe

8、paperadoptassemblylanguage，whichensuresr