co-co轴式250km2fh等级机车动力学分析

《co-co轴式250km2fh等级机车动力学分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、西南交通大学硕士研究生学位论文第1I页AbstractTofullyimprovethebenefitsofrailwayoperation，increasingspeedoflocomotiveisaparticularcourse．Thespeedofhigh-speedlocomotivedesignedbyourowncountryisabout200km／h，whichputforwardsthoughtsondevelopingandproducingofhigh-speedlocomotivewithaspeedof250

2、km／h．However,thelateraldyllamicperformanceof200km／hlocomotiveneedsfurtherimprovement．FortheCo—Co250km／hlocomotive，allthedynamicperformancesofthehigh—speedlocomotiveshouldbeoptimized．Whenflexibilitysuspensionofdrivingequipmentisusedandunderoptimumsuspensionparameter,thedy

3、namicperformancesofthehi曲-speedlocomotiveCallbeimprovedtoagreatextent．Inaddition，theimpactfromthelineshouldbepaidattentiontowhenthelocomotivemovesunderthishighspeed．SIMPACKWasappliedtobuildamodelofdrivingequipmentflexibilitysuspensiondynamiclocomotive．ModeloftheCo-Coloco

4、motive，itswheel·railcontactandmotionaldifferentialequation，andtheirregularitiesofthetrackinthesimulationwereillustrated．T11ispaperinthethirdchapterlinearsimulationanalysishasbeendoneunderthreeinterferencelines，andinthepaperlasttwochaptersthesimulationanalysishasbeendoneu

5、nderGermanhigh—speedhighinterferenceline．StabilityoflocomotiveWasanalyzedwithtwocriteria：linearcriticalspeedandnon—linearcriticalspeed．RidingqualityoflocomotiveunderdifferentlinesWascomputedandanalyzed．Curvepassingcapabilityoflocomotivewasanalyzedandcontrastedunderfixedc

6、urveparameters．SystematicanalysisofimpactsonprimarysuspensionandsecondarysuspensionlocomotiveWashadpresented，includingstability,ridingquality,curvepassingcapabilityandhadknownsensitivityoflocomotivedynamicperformance．Furthermore，impactofCo—Colocomotivesuspensionparameter

7、onlocomotivedynamicperformancewascomprehensivelyunderstood．Intheend，e虢ctsofdifferentdrivingequipmentparametersondynamicperformanceoflocomotivehavebeenanalyzedandsensitivityofvariouscomponentsinlocomotivetodrivingequipmentparametershasbeenstudied．Severalfactorsa虢ctedtoloc

8、omotivestability,lateralandverticaldynamicperformancehavebeenanalyzed，includingmassofdrivingequipment，l