發(fā)動機懸置系統(tǒng)多目標(biāo)模糊優(yōu)化設(shè)計及汽車舒適性仿真.pdf

1、重慶大學(xué)碩士學(xué)位論文發(fā)動機懸置系統(tǒng)多目標(biāo)模糊優(yōu)化設(shè)計及汽車舒適性仿真姓名：樊興華申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：張湘?zhèn)?9990301AbstractOptimizationdesignofenginemountingsystemandcomfortsinmlationofautomotivearesubstantialpartofCAD／CAMofautomotive。andhavesubstantialinfluenceo

2、nreducingvibrationandyawpofautomotiveandimprovingridecomfortperformanceofautomotiveAnmlti—objectfuzzyoptimizationmodelisproposedwithparameterofenginemountiugsystemComfortsimulationofnineDOFautomotiveanddecoupedenergyofen

3、ginemountingsystemandnmlti—objectandfuzzyoptimizationdesignofparameterofenginemountingsystenlhavedoneThenineDOFvibrationmodelofautomotiveisestablishedinmodel，whichactsrootmeansquarevalueofbodyinmultipleworkconditionascom

4、fortevaluationindexBasedonthecoinfortsimulationthehongyanll60ispredictedinthewayofcomfortandtimprogramscanbeeasilyinmanydifferentautomobilesMoreover，addedbytheoptimumprograms，itwillbewithwonderfulutilizationThecalculatio

5、nresultindicatesthecornfortevaluationindexcarldynamicreflectthevarietybetweentheparameterofenginemountingsystemandthecomfortandthemodelcansimulatevibrationofautomobiletruly，Basedonthedynamicsimulationandwithapplicationso

6、fdecoupledenergyprinciple，thehongyanl160iscalculatedinthewayofenergy，andtheprogramscanbeeasilyinmanydifferentautomobilesMoroveraddedbytheoptimumprograms，itwillbewithwonderfulutilizationBasedonthesinmlationmethodoftomfort

7、，acomprehensivefuzzyoptimizationofenergymountingsystemparametershasbeenfulfilledwithrespecttoofautonmbile，whichtakesthecornfortevaluationindexanddecoupledenergyofenergymountingsystemasageneralobjectDuetoconsiderationsoft

8、hefuzzinessofdesignrequirementandfrequencymatchingbetweenthecompletedvehicleandenergy，thefuzzyoptimizationmodelbuiltcanembodythedecisiveideasofthedesignercomprehensivelyandtruly，ItCaBmeetthedemandsofbothisolationvibratio

9、nofenergyitselfandreducingvibrationofenergyintheroughandreachoptimalmatchingofwithtimvehicleasawholenlanmachinesystemAfuzzyoptimizationofenergymountingsystemparameterizesofhongyanl160hasdoneKeyword：energymountingsystem；f