基于AMESim的液粘调速离合器PID控制特性研究.pdf

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1、机床与液压Dec．2012HydromechatroniesEngineeringVo1．40No．24DOI：10．3969／j．issn．1001-3881．2012．24．013ResearchonthePIDParametersanditsControlCharacteris．ticsforHydro—viscousClutchBasedonAMESimYAOShouwen，CUIHongwei，YANQingdong，LIUQiana．SchoolofMechanicalEngineering；b．KeyLaboratoryofSciencea

2、ndTechnologyonVehicleTransmissionforNationalDefence，Beo'ingInstituteofTechnology，Beijing100081，ChinaAbstract：lnordertosimulatetheelectro-hydraulicproportionalclosed-loopcontroIcharacteristicofHydro-viscousClutch(HVC)accuratelyandobtainthesteadyrotationspeedofoutput．ThePIDclosed-l

3、oopcontroIsystemsimulationmodeIforHVCwasestablishedwithAMESim．ThePIDparameterswereobtainedbythemethodofZiegler-Nichols．Theclosed-loopcontrolsystemout-putresponsecharacteristicofHVCwasresearched．TheefectsofPIDparametersonoutputcharacteristicwereanalyzed．TheresultsindicatethatthePI

4、Dclosed—loopcontrolcharacteristicofHVCcanbesimulatedaccurately．ThePIDparametershaveagreatinfluenceonoutputre．sponsecharacteristicandstabilityofrotationspeed．TheconstantrotationspeedforHVCcanbereachedbyPIDclosed—loopcontrolsystem．Thesimulationssupplyausefultheo~forthecon—trollerde

5、sign．Keywords：Hydro-viscousClutch，electro-hydraulicproportionalcontrol，AMESim，PIDcontrolHVCisadevicewhichtransmitstorquebyspeedregulationsensitivity[6—7]．Thus，closed—shearingforceofoilfilm．Ithasmanyadvantagesloopcontrolisnecessary．Atpresent，theelectro—hy-suchassteplessrotationspe

6、edregulation，softstart，draulicproportionalsystemwasalwaysadoptedforovedoadprotection，highefficiency，longworkinglifeoutputrotationspeedcontrolwithPID．andhighreliability．HVChasawidelyuseinma．HONG[8]adoptedfuzzycontroltechnologytochineequipmentsuchasfan，pump，beltconveyor，researchthe

7、rotationspeedregulationcharacteristicofscraperconveyor．Itisausefulmethodtosaveener．HVCandestablishedfuzzycontrolrule．butdidnotgY，soithasbeenahottopicalloverthementiontheresponsetimeofthesystemandthesta．world『1—5]．bilityofrotationspeedatdifferentloadandrotationThestabilityoftherot

8、ationspeedandthedy．speed．JIANG[9]adopted