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ID:27293636
大小:4.64 MB
页数:85页
时间:2018-12-02
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1、山东理工大学硕士学位论文AbstractAbstractInrecentyears,electricvehiclesrapidlydevelop,andelectricvehiclesaredifferent fromconventionalvehiclesinstructureandperformance,buttheresearchonvibration reducingmethodsofelectricvehicleisrare;thetimedelaydampertheorystrivesto
2、 discoverandutilizeitsadvantages.Timedelaydampertheoryisasignificantinnovation andisanimportantbreakthroughintimedelayphenomenoninepistemology.Inthispaper, dynamicvibrationabsorberdampingideasandtimedelaydampertheoryareusedin electricvehiclesvibrationda
3、mping,andtheapplicationofdynamicvibrationabsorberand timedelaydampertheoryinelectricvehiclesvibrationdampingisresearched.Firstly,generallyelectricvehicle’sbatterypacksarefixedlyconnectedinthefrontand rearendsofthechassis,andtheirqualityisconsistentwitht
4、herequirementofdynamic vibrationabsorbertuningquality;sinceelectricvehiclesaredifferentfromconventional vehiclesinstructureandperformance,sothebatterypackscanbesuspendedasthetuning qualityfortheelectricvehiclebodyvibrationreducing.Secondly,itisdonethatt
5、heparametersoptimizationandthesimulationofelectric vehiclevibrationwithharmonicexcitationorrandomexcitation.Thenitisfoundthatthe methodswiththreedifferentobjectivefunctionscanallmakevibrationreducingmuch better,andthemethodwithvibrationalenergyasobjecti
6、vefunctionisbestofthree. Finally,sincethewayofelectricvehiclesvibrationreducingisspecial,and contrastingtheeffecttotheEV’svibrationwithdifferentbatteryvibrationalconditionas timedelayfeedback,itisfoundthatusingbatteryvibrationalspeedastimedelayfeedback
7、isthebestway.ThentheadvantageoftimedelaydamperinEVs’vibrationreducingis confirmed.ThemethodsuspendingbatterypacksforEVsvibrationreducingisveryeffective withoutmakingEVs’performanceworse,andtheusingoftimedelaydampermakesEVs’ vibrationreducingmuchbetter.K
8、eywords:electricvehicle;vibrationreducingmethod;timedelaydamper;parametersoptimization.II山东理工大学硕士学位论文目录目录摘要..........................................................................................................................
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