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1、河北工業(yè)大學(xué)碩士學(xué)位論文輕型汽車(chē)前懸架設(shè)計(jì)分析姓名：劉斌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械工程指導(dǎo)教師：武一民李保山20061201輕型汽車(chē)前懸架設(shè)計(jì)分析IIDESIGNANALYSISOFFRONTSUSPENSIONOFLIGHTDUTYVEHICLEABSTRACTSuspensionisoneoftheimptantassembliesinmodernvehicle.Themainfunctionofasuspensionistotr

2、ansferfcestquestoregulatetherelativemotionbetweenthebodythewheelsatthesametimetoabatetheimpacttovehicletodampthevibrationsfromtheroadsothatthevehiclecouldrunsmoothly.Thesuspensionsystemhasdirectlyeffectsonvehicleperfmanc

3、eespeciallyhlingstabilitytheridecomft，theturningability，thelifecycleofthetiresetc.Thedoublewishbonesuspensionwhichwaswidelyusedinvehiclenowisonekindoftheindependentsuspensions.Inthisthesisfirstlythedesignmethodsofmaincom

4、ponentsofdoublewishbonesuspensionwereanalyzedsuchasthedesignofshockabsberthedesigncalculationoftsionbarspringsthedesignoftransversestabilizeraswellasthe`movementofdoublewishbonesuspensiontherelatedcalculationmethodswerep

5、resented.TakingHover’sfrontsuspensionasaexamplethreekindsoffrontsuspensionweresuggestedbasedonthedifferentspringparametersoffrontsuspension.Basedonallkindsofdatafthethreesuspensionssteeringsystemthesuspensionsystemmodels

6、combinedwithsteeringsubsystemweresetbyADMASCarsoftware.Bymeansofthismodelthekiics、kinematicssimulationwasdonevariationcurveofthefrontsuspensionparameterduringmovementwasgottenfromthesimulation.Basedonpreviousexperiencess

7、imulationresultstheperfmanceofdifferentfrontsuspensionweregottenaboutthehlingstability.Thenaexperimentwasdesignedtoverifythesimulationresultofthemodelwithwheelalignment.Validationofthesimulationmodelwasverified.Atlastthe

8、roadharshnesstestwasdonewiththreedifferentfrontsuspensions.Combinedtheresultoftheharshnesstestwithprevioussimulationanalysis，thefrontsuspensionparametersofthevehicleweredetermined.Thisthesisisthecombinationofproduction，e

9、xperimentresearch.Analyzingestimatingproblemswiththeypracticetoinstructtheproduction.Inthisthesisadesignmethodwasproposedffrontsuspensiondesignwhichcandeterminetheoptimumparametersofthefrontsuspensionbymeansofsoftwaresim

10、ulationroadtest.Theproposedvirtualprototypemodeloffrontsuspensionhastheimptantsignificanceindesigningdevelopingthenewsuspensionaswellasperfmanceappraising.itmakesthedesigndevelopmenttheproblemsolvingfperfmanceproductiont

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