基于壓電元件的被動振動控制的優(yōu)化設(shè)計與實現(xiàn).pdf

1、南京理工大學(xué)碩士學(xué)位論文基于壓電元件的被動振動控制的優(yōu)化設(shè)計與實現(xiàn)姓名：劉瑩申請學(xué)位級別：碩士專業(yè)：測試計量技術(shù)及儀器指導(dǎo)教師：卜雄洙20060628堡墨堡蘭查堂翌主蘭竺芝蘭蹩雯墾皇壟堡箜整望簍翌絲塑竺堡些堡生蘭簍墨ABSTI礬CTInthispaper，thetechniquesofpassivevibrationcontrolbasedonpiezoelectricceramic@xestudie&矗particularanalys

2、isofthetheoryandalotofexperimentsaredesignedandimplementedforasimplysupportedcantileverbeamFirstly，accordingtothecharacteristicsofpiezoceramics，theoptimalvaluesofelectriccomponentaredetermine&Becauseofthehighvalueofin婦ct

3、ors。thesimulatedinductorcircuitsareadopted，Thentheshuntdampingcircuitisstudiedonbothsinglemodeandmultimodevibrationdamping。Whenmultimodevibrationdampingofshuntdampingciruitisdone，notonlythecubageofthecircuitislarge，butal

4、sotheparametersofthecircuitarenoteasytotune。SoitisnoteasytogettheoptimalresultInordertogetbetterresultofmultimodevibrationdamping，anewapproachisintroducedinthispaperAsyntheticimpedance，consistingofavoltagecontrolledcurre

5、ntsourceDSPsystem，isusedtosynthesizetheterminalimpedanceofashuntnetworkAndalsobyexperiment，thebettervibrationdampingresultisproved，especiallywhenitisapplledoilthemultimodevibrationdampingAtlast，anotherpassivedampingmetho