軌道幾何不平順對(duì)高速客車(chē)動(dòng)力響應(yīng)影響的研究.pdf

1、同濟(jì)大學(xué)交通運(yùn)輸工程學(xué)院碩士學(xué)位論文軌道幾何不平順對(duì)高速客車(chē)動(dòng)力響應(yīng)影響的研究姓名：管震舜申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：道路與鐵道工程指導(dǎo)教師：練松良20081201AbstractABSTRACTTrackgeometryirregularityisoneoftheprimaryfactorswhichaffectthetrh：13runningsmoothness，passengers’comfortanddynamicresponses

2、betweenwheelandrailAlsoitisthemaininvestigationforcurrenthighspeedpassengerrailwayThepaperusessimulationmodeltoanalyzetrainsrunningonthetrackwithsinglesandmultisingleirregularities，complexirregularities，thatonstraightand

3、curverailwaylines，whichareunderdifferentwavelengthsanddifferentamplitudesandcomparedwithrandomirregularitiesdetectedfromrailcaronthescenebyrunningprofessionalengineeringsoftwareItiscalculatedthatthevibrationresponsesofth

4、evehiclebodyandtheforcesgeneratedbetweenthewheelsandtherailAndtodeterminetheadversetypeoftrackirregularityandwavelengthisimportantaftercalculationsdoneFurthermoretheemphasisisputontheanalysisoftheimpactofthecomplexirregu

5、laritiesespeciallythoselocatedattheendsofcurvestothesafetyandsmoothnessBycomparingandanalyzingthedynamicresponsesthatarousedbydifferenttypesofirregularitiesandtheircombinationswiththeactivecriterions，wecouldprovidetheore

6、ticalguidanceforcontrollingtheirregularitiesintherailwaymaintenance，constitutingthecriterionformaintenanceoftrackgeometryandrelevantmanagerialworkAccordingtotheanalysisdatawehavetheconclusionthattheimpactsofalignmentandc

7、rossleveltrackcomplexirregularitiesandcurvaturechangingzoneforsafenessandsmoothnessofthevehiclerunningisquiteserious，especiallyinsomebiggishamplitudewiththeadversewavelengthSo，thesetypesoftrackirregularityshouldbestrictl