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1、西南交通大学研究生学位论文型卫里墨=!型奎担辁盘壁画敛睦捡测丞统鲍贸究年级三QQ五级姓名王变茎申请学位类型王捏亟±工程领域名称扭}撼王程指导教师肖宜讷熬援二oo七年四月一日西南交通大学工程硕士研究生学位论文第Ⅱ页AbstractUnderthecircumstancesofrealizingtheleapingdevelopment，therailwayofourcountryhasexperiencedflw-thne删槲sin吕Atpresentpassengertrainsmoveatthespcedof160h帕intkspeed-increasesection,thcrang
2、eofraisingsr--硝iswiderandwider．Theloadingcapacityandspeedoffreighttrainisalsoraising．Thecurrentsituationoftherailwaynetworkin仅esnmnlng丘eighttrainsandpassengertrains,thetraindensityranksthetopinworldhigh．So，thetaskenSUlingsafetyofrailwaytransportationisveryarduous．Thetroubleofwheeisettreadsurface
3、notonlycaⅡjeopardize蛐csafety,butalso∞nbringfffiol'Hlousimpactanddestructiontothecircuit,bridgeoftherailway,aggravatetheWeddamageintensityofthevehiclestructure,increasethemaintenancecost．Forexaminingthetroubleofwhcclscttread,onetraditionalwayisstaticcheclqi．e．whileavehicleoverhaulingregularly,tom
4、eabmrewiththemachineryspecialcaliperruleafterthewhcelsethasbeenbrokenup；theotherisdynamiccheck,i．e．trainexaminationstaffcheckvehiclesbeingap#edwiththeartificialoperatingtypebythemcansofhRmmcT曲由d唱visualizationandphysicaltouch．LeadtothetroubleofwhecIscttreadsurfacecash’tbcdiscoveredtimely,missingc
5、heckandmistakingcheckisalwayshappen．Thispaperintroducessomemethodsfordetectingthetroubleofwbeelsettreadathomeandabroad,thebasicprinciplesandtheadvantagesandweaknessesofeachmethodareanalyze,tBasedonthese,an州detectingsystemofWTFDS-1wh∞Isettreadstroubleisdeveloped．Inthispaper,itintroducestheWTFDS·1
6、wheelsettreadstroubledetectsystem,itisasetofmodemintellectualtestsystem,thissystemisconsistedoffourparts：measuringdevice，signalbox(preamplifier)，signalprocessinghost，informationrepeateddisplaysystem．withsupportingsisalprocessingsoftware,acquisitionandanalysisofhigh-capacityandmultichanneldynamic
7、signalaredone,thetroubleoftrainwheelsettreadarediagnosedout缸realtimeanddymmic,Andpromptlywaintheoperatortoeliminatethesafetytroubleofthevehicle．It锄ensuretestingquality,reflectoperatingsituationofwheelsetjn西南交通大学工程硕士研究生学位论文第Ⅲ
