机车半主动悬挂控制的满意优化设计与仿真研究

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1、西南交通大学硕士学位论文机车半主动悬挂控制的满意优化设计与仿真研究姓名：杜修柯申请学位级别：硕士专业：电力系统及其自动化指导教师：金炜东20080501西南交通大学硕士研究生学位论文第Ⅱ页AbstractBecauseofrailwayrollingstockimprovementofspeed,itmakesvibrationwhileoperatingintherailwaywithincreasing．Theviolentvibrationofvehiclecandamagethevehiclestructure，effortbetweenarailandveh

2、iclevibrationwillalsoinfluencethetrafficsafetyafterreachingacertaindegree．Controlingvehiclevibrationcanraiserollingstockspeedandimproveitsstationarity．Inordertoimproveridecomfortandstationarity,ontheonehand，wecanimprovethequalityofrailway；ontheotherhand，we伽alsoimprovethecapabilityofsusp

3、ensionsystem．Itneedssubstantivemoneyandrebuildingrailwayiscomplex．Itisdifficulttorebuildsomerailwaysinourcountry．Theridecomfortandstationarityareimprovedonlybysuspensionsystem’Sefficiency．Improvingcapabilityoftrainsbyusingthehighefficiencysuspensionsiseconomicalandeffective，whichisveryb

4、eneficialtothetrainsproject．Asweknow,itisimpossibletoadjusttheparametersofthepassivesuspensionwhenthetrainisrunningandishardtomeettherequirementsofthepassivesuspensionintheridingcomfortofthesehighspeedtrains．Thesemi-activesuspensions，actingasthemostadvancedsuspensions，couldadjusttherigi

5、dityordampactivelyandtimelytoreducethevibrationaccordingtotheworkingcondition．Inthispaper,throughtheanalysisofthepassivesuspension、activesuspensionandsemi—activesuspension，thepapersummarizesthatthesemi-activesuspensionisbetterforthesuspensionsvsternofhighspeedtrains．Becausethesemi-activ

6、esuspensionsvsternislowinenergyconsumption，simpleincontrolandgoodinineffectiveguidingsafety．Thestrategyofsemi—activecontrolandtheprincipleofskyhookcontrolwithChinesehigh—speedtrainvehiclearedescribed．Anewanalyticmethod，whichisbasedonthedynamicsuspensioncharacteristicofsemi-activesuspens

7、ioncontrolsystem，isappliedtodesignreferencedmodelandmodelofthesemi-activesuspension．Thefuzzycontrollerisdesignedandpoliticcontrolmodelofsemi··activesuspensionisbuiltbyfuzzycontrollertheory．Thesemi··activesuspensionfuzzycontrollermodelisdesignedbasedontheidealskyhook西南交通大学硕士研究生学