道路与轮胎花纹噪声优化系统

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1、武汉理工大学硕士学位论文道路与轮胎花纹噪声优化系统姓名：姚忠杰申请学位级别：硕士专业：检测技术与自动化装置指导教师：陈理君20070501武汉理工大学硕七学位论文ABSTRACTWiththeimprovingoflifequalityandincreasingofenvironmentalprotectionthought，peopletakemoreandmoreseriouslytothetrafficnoise．Whencarrunsataspeedofabove70KmI／h，roadandtreadpatternnoisebecomesthedominantpartof

2、metrafficnoise．Therefore．theresearchonroadandtreadpatternnoisecontrolnotonlyhasfar-reachingtheoreticalimportance。butalsohasabundantpracticalvalue．ExploitedthenoisesimulationandoptimizesoftwarecooperatingwithShan曲aiRubberGroup，BeijingRubberAcademe，HangzhouZhongCeGroupandGuangzhouSouthChinaRubbe

3、rGroup．ThroBghyearsstriving,famousSUCOeSShasbeenacquiredonthecontrolofTrcadpatternnoise．ThispapersystematicallystudiesroadandtreadPatternnoisecontrolfromthefollowingfiveaspects：thesoundmechanism，thecouplingpredictionmodel，thecomprehensiveeValuationofnoisespectrum，theeriterionofnoise-reductiono

4、ptimization，andthenoisereductionoptimizationmethod．AnditmainlyfocoSCSontheexplorationandpracticeofnoisereductionoptimizationtheoryandmethodforroadandtreadpattern．NoisereductionoptimizationisthekernelanddifficultDOintsofroadandtreadPatternnoisecontr01．ThisPapersystematicallyandintensivelystudie

5、sthenoisereductionoptimizationtheory．Basedonit。thispaperthenputsforwardcriterionandprocessmethodforthrcadpatternnoisereductionoptimization．whichenablestheoptimizationprocesstobecomemorereasonableandmorerapid．Thearticlehascarriedoutthoroughresearchonmechanismofroadtirenoiseproduction，thecouplin

6、gpredictionmodelandcouplingfactorhavingbroughtforwardontheroadandtirenoise，havereachedtimedomainwaveandfrequencyspectrumofroadsoundproduction．Thisapproachbasedonimmunegeneticalgorithmwhichcombinedthelengthofbothgeneticalgorithmandimmunealgorithm．TheapproachisintroducedindetailinthisPaDer．Thein

7、telligentoptimizationandnoisediagnosisprocessesarediscussedanddiagrammizedbytheanalysisofsimulationexample．T1IeresearchfruitandsoftwareintlIispaperisstronglvapplicabletopracticalengineer,providinghiglleffectiveapproachforlowernoisetyred