基于遺傳算法的主動懸架多目標(biāo)H-,2--H-,∞-魯棒控制.pdf

1、武漢理工大學(xué)碩士學(xué)位論文基于遺傳算法的主動懸架多目標(biāo)HH魯棒控制姓名：鄒洲申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：蘇楚奇20100501AbstractThetendencyofemployingactivesuspensionssysteminthefutureautomobilehasbeendrawingincreasinglymoreattentionandstudyHoweverthedesignofanappropriat

2、econtrollingstrategyandacontrollerarerequiredtogiveafullplayto廿levibrationdeductionfunctionoftheactivesuspensionThecontrollingstrategyisthekeytostudyingtheactivesuspensionandthispaperstudiedthecriticalcontrollingstrategy

3、ofactivesuspensionAstothecontrollingmatteroftheactivesuspension，themostdifficultpartistoachieveamultigoaloptimizationofsmoothnessandoperationstabilityAsthemostimportantevaluationindexofthedesignofautomobilesuspensionsyst

4、em，theyarecontradictoryThedeductionofthespringstiffnessofsuspensionsystemwillbringsatisfactorycomfortbutresultinalargersuspensiontravelandbodyrangewhichwilldonogoodtotheoperationstabilityoftheautomobilebodyOnthecontraryh

5、igherspringstiffnesswilllowerdowncomfortsatisfactoryTherearealotofapproachesbasedondifferenttheoriestothisdilemmamainlyfocusingonintegratingfunctionsofverticalaccelerationsuspensiontravel，staticanddynamicloadratioandetca

6、sthegoalofoptimizationdecidingonaweightandoptimizingtheminanobjectfunctionBut，thiswillendupwithunsatisfactorybodyaccelerationToaddresstheproblemsabove，thispapersetupamathematicmodelof2DOFquarterCaractivesuspensionsystems

7、，designingaconstrainedH。controlleremployingtheLMItoolboxofMATLABtoseekasolution，andsimulatetheresulttocomparewithpassivesuspensionNext，basedonthestrengthsofH。controllerandH2controlleractivesuspensionsof她H!fH。hybridcontro

8、llerweredesignedSOastoachievesatisfactoryaccelerationinatimedomainandtheRobuststabilityatthesametimeAsolutionWasalsodonebymeansofLMIandacomparisonofthestimulationresultandconstraintH。controllerwasmadeAtlast，thispapersoug