电镀物品-水力伺服作动器dsp控制

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1、ApplicationReportSPRAA76–January2005DSPControlofElectro-HydraulicServoActuatorsRichardPoley...................................................................................................DSPFieldApplicationsABSTRACTHydraulicactuatorsarecharacterizedbytheirabilitytoimpartlargeforcesathighsp

2、eedsandareusedinmanyindustrialmotionsystems.Inapplicationswheregooddynamicperformanceisimportantitiscommontocontaintheactuatorinaservoloopcomprisingafeedbacktransducerandelectroniccontroller.Themajorityofelectronicservo-controllersusedinthesesystemsareanaloguebasedimplementationsofthewell-kno

3、wnPIDtype.However,therequirementtoimplementadvancedcontrolstrategieshasledtoanincreasedinterestintheuseofdigitalsignalprocessors(DSPs)inthisfield.Onedesignapproachwhichmeritsspecialconsiderationistheuseofcomputersimulationsoftwaretomodelthehydraulicplantandelectronicservo-controller,andtogene

4、rateandtestembeddedcodeforthetargetDSP.Thisapplicationreportdiscussessomeoftheissuesinvolvedincontrollinglinearhydraulicactuators,andthesuitabilityoftheTMS320C28x™DSPforsuchsystems.Contents1Introduction..........................................................................................2

5、2TheC2000DSPforDigitalControl...............................................................33TypicalHydraulicSystemDescription...........................................................54HydraulicSystemModelling.......................................................................95CaseStud

6、y.........................................................................................146Summary...........................................................................................207References.........................................................................................

7、21AppendixASimulinkModels.........................................................................22AppendixBListofSymbols..........................................................................25ListofFigures1BlockDiagramoftheTMS320F280xDS