直线电机地铁车辆系统动力学分析

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1、万方数据垒里垒!!坠竺!．—。一———————————————————————————————————————————————————————————————————一ABSTRACTWithanon．adhesivedrivingmode，LIMmetrovehiclehasthecharacteristicsofhighclimbingability,smallvehiclesection，littlenoiseunderthecarandenvironmental行iendliness．anditCanselectlineflexibleandreduc

2、ethecostofcivilworks．Guang。zhouMetroLine4，Line5，Line6,BeijingSubwayairportlineusingLIMmetrovehicleuseingoodcondition．Fromthesafeoperationandtractionefficiency,thegapbetweenprimaryofLIMandreactionplateisneededtomaintainingat8．12ram．Duringvehicleoperation，LIMhascomplexforces，exceptaff

3、ectedbytllewheel—rajlvibrationandvibrationoftheve。Mcleparts，therearethree．dimensionalelectromagneticforcebetweenLIMitselfandreactionplate，whereintheverticalelectromagneticforcehasasignificanteffectonthechangesofgap．Basedonmulti．rowtravelingwaveelectromagneticfieldtheoryofLIMtoderive

4、theverticalelectromagneticforcecalculationformula．Giventherelationshipcurvebe。tweenverticalelectromagneticforceandthegapofamodelofLIMaccordingtotheformula,comparewiththerelationshipcurvebetweenthemeasuredverticalelectro。magneticforceandthegap，bothchangesinthesamescopeandtrend．Soitis

5、proventhattheresultgottenfromtheformulaisinlinewiththeactualsituation，anditCanbeappliedtotheLIM．EstablishframesuspensionandaxlesuspensionLIMmetrovehiclebasedonSIMPACKmulti．bodydynamicssoftware，simulatethedynamicsofLIMmetrovehiclesystem，andgetthefollowingconclusions：(1)Theverticalvib

6、rationamplitudeofframesuspensionisgreaterthanaxleSUS。pension，thelateralvibrationaccelerationoftwokindsofsuspensionmodeisbasicallythesame；(2)ThechangesofgapofaxlesuspensionLIMislessthanframesuspension；(3)ThelateralSperlingindexoftwokindsofsuspensionmodeofLIMisbasicallytllesame，thever

7、ticalSperlingindexofframesuspensionisgreaterthanaxlesuspension·Bothoperationalsafetyindexesarebasicallythesame，accordingtoChina’S”RmlwayVehicleDynamicsPerformanceEvaluatingandtestidentifyingstandards”，bothdy‘namicparametersarewithinthe”excellent”range；(4’)ThecriticalspeedofLIMmetrov

8、ehicleinthevertical