半掛車軸偏角允許值的研究與分析.pdf

1、青島理工大學(xué)碩士學(xué)位論文半掛車軸偏角允許值的研究與分析姓名：王燦青申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：宋年秀201112AbstractRecently，attherapiddevelopmentofnationaleconomyandtransportationindustry，thesuperiorityofsemitrailervehicletraintransportationgraduallyisreflectedWit

2、hthewidespreaduseofsemitrailervehicletrain，theissueofusingithasbecomeincreasinglyevidentBecauseofthepresencethevehicleaxialdeviationangle，thedangerousconditionssuchasdrift，rollover，collisionoccurTherefore，theresearchofth

3、eallowanceforsemi—traileraxialdeviationanglehasgreatpracticalsignificanceThemodelofsemi。trailervehicletrainiScreatedbyusingmultibodysystemdynamicsThemodelofchassis、suspension、steeringsystem、axletireandroadaregraduallyest

4、ablishedKinematicpairbetweenthevariousmodelsisestablishedThedrivenforceanddriventorqueareappliedtotheestablishedmodelforthevehiclesteadystatesteeringsimulationThedataiscomparedwiththeexperimentalanalysisoftherealcar，then

5、，thegoodconsistencybetweenthemodelandrealCarisattainedThebraketorqueisappliedtofrontandrearwheeltoaccomplishstraightlinebrakingsimulmionThedataiscomparedwiththeexperimentalanalysisoftherealcal“，then，thegoodconsistencybet

6、weenthemodalandrealcarisattainedThefoldingangleisthetargetsimulationdesignandthevehiclespeedandsemitrailerdrivingtwo。axisaxialdeviationanglerangearethesimulationdesignvariablesThen，theuniformlinearsimulationanalysisisacc

7、omplishedForthe90km／hanalysis，thesizeofthesimulatedfoldingangleisobtained，theninaccordancewithnationalrequirementsofthechannelwidththeaxialdeviationangleisdeterminedInthispaper，themodelisbuiltwithmultibodysystemdynamics，