基于PID解耦控制的雙作動(dòng)器振動(dòng)臺(tái)研究.pdf

1、哈爾濱工業(yè)大學(xué)碩士學(xué)位論文基于PID解耦控制的雙作動(dòng)器振動(dòng)臺(tái)研究姓名：何劍飛申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：一般力學(xué)與力學(xué)基礎(chǔ)指導(dǎo)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