动车组制动实验系统研究

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1、北京交通大学硕士学位论文动车组制动实验系统研究姓名：赵进申请学位级别：硕士专业：检测技术与自动化装置指导教师：霍凯20080601ABSTRA(了r_一_一———————————————————————————————————————————————————一ABSTRACTAlongwiththesixthlarge．scalespeed—upofrailways，abignumberofEMUwereputintouseataspeedof200km／handabove．EMUhavebecomethele

2、adingtraintypeinpassengertransportationof0111"country．Flourishingdevelopmentofrailwaytrafficcreatedgreatdemandfortalentswhomajorinrailwaylocomotivesandvehicles．Insuchsituation,theideaofestablishinganexperimentalplatformofEMUnetworkcontrolsystemisbroughtforwa

3、rd，withthepurposetocultivatehigh—qualitytalentsofrailwayandmeasurementmajor,够wellasdeepenunderstandinginEMUtheoriesandconcepts，andenhancepracticalandoperatingabilityofstudentsinrelatedmajor．BrakingexperimentsystemisonepartoftheexperimentalplatformofEMUnetwor

4、kcontrolsystem．Compositionsandrealizationmethodsofthebrakingexperimentsystemisdiscussedinthispaper．TheSiemensS7-200seriesPLCistakenasthecontrolcenterofthesystem，andtheregenerativebrakingandpneumaticbrakingexperimentsarerealizedaccordingtobrakingtheoriesunder

5、thecontrolofupper-computerwithWinCCinstalledon．Majorworksofthepaperare"(1)AccordingtoanalysisonfeaturesofEMU，putforwardcompositionsandrealizationmethodsofeachfunctionlikeregenerativebrakingandpneumaticbrakingofthebrakingexperimentsystem；(2)Withthereferenceof

6、dataavailable，studyandsortoutEMUbrakingformulassystematically,includingpneumaticbrakingforceformulas，regeneratingbrakingforceformulasandbrakingdistanceformulas；(3)TakingPLCasthecore，putuphardwarecircuitofBCUandrealizedesiredbrakingfunctionsunderthecontrolofu

7、pper-computer；(4)Monitoringandcontrolsysteminupper-computercallrealizefollowingfunctions：initialspeedsetting，finalspeedsetting,brakingcalculation，brakingmodecurvechecking，brakingforcedistributioncheckingandbrakinginformationarchiving；(5)Analysispossibleinter

8、ferenceinsystematicoperationandputforwardanti．interferencemeasuresaccordingly．DesignanddebuggingofthebrakingexperimentsystemisaccomplishedinthepaperbasedontheprincipleofCRH2EMU．Verifiedbyexperim