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1、113Full-VehicleAnalysisTutorialFull-VehicleAnalysisTutorial114GettingStartedUsingAdams/CarOverviewThistutorialteachesyouhowtocreateafull-vehicleassembly,rundifferenttypesofanalyses,andviewtheresults.Tobeabletorunthroughthistutorial,youmusthavepurchasedtheAdams/CarVehicleDyna
2、micsPackage.Thischapterincludesthefollowingsections:•WhatYouWillCreateandAnalyze•OpeningaFull-VehicleAssembly•PerformingaSingleLane-ChangeAnalysis•PerformingaQuasi-StaticConstant-RadiusCornering(CRC)Analysis•PerformingaBaselineISOLane-ChangeAnalysisThistutorialtakesaboutoneh
3、ourtocomplete.115Full-VehicleAnalysisTutorialWhatYouWillCreateandAnalyzeInthistutorial,yourunseveralanalysesonafull-vehicleassembly,asshowninFigure20,andthenviewtheresultsusinganimationandplotting.Toperformtheanalyses,youcreateanassemblycontainingallthesubsystemsinthefullveh
4、icle.Figure20showsthefull-vehicleassembly(frontisoview,fittoview).Figure20Full-VehicleAssemblyAfteryoucreatethefull-vehicleassembly,youdothefollowing:•Toquantifyhowthevehiclerespondstosteeringinputs,youperformasinglelane-change(open-loop)analysisonthevehicle.Asinglelane-chan
5、geanalysiscontrolsthesteeringsubsystemandsimulatesasimplelane-changemaneuverwiththesetofparametersyouenterwhenyousubmittheanalysis.116GettingStartedUsingAdams/Car•Toevaluatethevehicle’sundersteerandoversteercharacteristics,yourunaconstantradiuscorneringanalysis.•Todrivetheve
6、hiclethroughalane-changecourseasdescribedinISO-3888,yourunanISOlane-changeanalysis.•Afteryouruneachanalysis,youanimateandplotitsresults.117Full-VehicleAnalysisTutorialOpeningaFull-VehicleAssemblyUsingAdams/Car,youcangroupseveralsubsystemsandatestrigintoanassembly.Thisgroupin
7、gsimplifiestheopeningandsavingofsubsystems.Inthissection,youopenanassemblythatreferencesthesubsystemsandtestrigforthefullvehiclethatyouaregoingtoanalyze.Theassemblywe’veprovidedforyoureferencesthesubsystemsthatAdams/Carrequirestoperformsteeringmaneuvers,accelerationmaneuvers
8、,andsoon.Full-vehicleassembliesreferencethefollowingsubsytems:•Front/rearsu