汽車懸架橡膠襯套半經驗參數(shù)化模型研究.pdf

1、同濟大學中德學院碩士學位論文汽車懸架橡膠襯套半經驗參數(shù)化模型研究姓名：張健申請學位級別：碩士專業(yè)：車輛工程指導教師：余卓平張立軍20080501AbstractABSTRACTRubberbushingisoneofthewidelyusedflexibleconnectionpartsinautomotivesystems，especiallyinsuspensionsystemsBecausenowadaysmostofrubber

2、bushingismadefromcarbonfilledrubberthemechanicalpropertiesofrubberbushingareverycomplicatedButthemechanicalpropertiesofrubberbushingplayanimportantroleonthesuspensionperformance，anddirectlyinfluencethevehicleridecomforta

3、ndhandingandstabilityThereforeinordertomatchtherubberbushingandsuspensionperformanceatthebeginningofconstruction，itisnecessarytouserubberbushingmodeltosimulateitsrealmechanicalproperties，andstudytherubberbushing’Sinfluen

4、ceonthesuspensionatthewholevehiclelevelTheprecisionandapplicablerangeoftherubberbushingmodelaffectthewholevehiclesimulation’SprecisionInthispaperforsuchwidelyusedrubberbushingmodel，applyingthemethodofintegratingtheorywit

5、hpractice，followingresearchworksarecarriedout：1Studyontheoriesofrubberbushingmodel4classicalrubberbushingmodels，whicharemostwidelyusedinthesuspensionandwholevehiclesimulation，areintroducedinthispaperThetheoreticalfoundat

6、ionsofeachmodelareanalyzedandprocessesofparametersidentificationforeachmodelareprogrammedSuchprocessesincludesettingofworkingconditionforparametersidentification，methodsofparametersidentification，programminginMatlabandco

7、mparisonofparametersidentificationresultsBeforeexperimentsarecarriedout，simulationdataareusedinsteadofexperimentsdataastargetdataofparametersidentification2StudyonmechanicalpropertiesofrubberbushingAccordingtothedemandof

8、parametersidentificationandmodelverificationthegeneralexperimentplanissettleddownWithhelpoftheequipmentsandSOftWareonhandthewholetestsystemisintegratedandadjustedThetestsarecarriedoutandthetestsdataareprocessedandanalyze