基于PID解耦控制的雙作動器振動臺研究.pdf

1、哈爾濱工業(yè)大學碩士學位論文基于PID解耦控制的雙作動器振動臺研究姓名：何劍飛申請學位級別：碩士專業(yè)：一般力學與力學基礎指導教師：鄭鋼鐵王聰20050601墮筌鎏三些鑾耋王：竺圭蘭堡簍蘭AbstractFacilities’workingenvironmentsareoftenverycomplexPerformanceincertainlevelcrueltestenvironmentsshowsthemaincriteriaofthe

2、productsTheworkingenvironmentsincludethetemperature，humidityradiation，pressureandvibration，etcThislectureinventedabrandnewwaytoformashakerandtoproducevibrationsignalexcitationstyleTraditionalactuatorsappliedtoshakersarep

3、neumatic，hydrokinetics，piezoelectricityandsoundamplifieretcalso，theyaresingleactuatorformedSingleactuatorformedshakerisdualism，theyareeasytocontr01butcannotrealizeacomprehensivevibrationsimulationThislecturecoupledtwoact

4、uatorsandunitedtheiradvantagestogethertocompensatetheirdisadvantages，reachedabrandnewsimulationstyleAsystemwitlltwoactuatorshastwoinputsThislectureanalyzedSISOsystemcharacteristic，thanrepartnershiptheinputandoutputvariab

5、les，analyzedthenecessityofdecouplecontrolsystemdesignbasedonthestudyofcoupledsystemfrequencycharacteristicsThereoccursadi銜cultyinmodelingandcontroldevicedesignbecauseofthepneumaticactuator’SnonlinearcharacteristicsThisle

6、cturesolvedthisproblembylinearmodelingatthestaticpointandcontrolledbyPIDdecouplecontroldeviceSingleactuatorhasrigidoperatingfrequencyband，andSOitcannotoccupythewholebandWecertainlywillencounterproblemsofseparatingandreun

7、itingtheinputsignalifasinglesweepsignalappliedtotheshakerwithdoubleactuatorsLPFandHPFButterworthFikershadtheworkdoneandmadethesystemownthenon—crack—seanlperformancesuccessfullyKeywordsPIDdecoupledcontrol：embeddedcontrold