基于stm32和fpga的多通道多功能数据采集器

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1、西南交通大学硕士研究生学位论文第1I页AbstractInrecentyears，Chinahavemadeastonishingdevelopmentinrailwaytrafficfield．Inthedomainofhigh—speedrailway，wehaddevelopedtwotypesofCRHhi曲一speedtrainwhichcouldoperatingover380km／h，namedCRH380AandCRH380B．Inaddition，webuiltthreelongdistanceinter-

2、provincehighspeedrailways．Ontheotherside，inthefieldofeityrailwaytransportation，therearequiteafewcitiesobtainedcomprehensiveinnercityrailwaynetworkandmanymorecitiesareconstructingtheirmetrolines．Apartfromprivatecars，themaintenanceofrollingstocksarequitedifficult，hig

3、hintensityand州thlimitedtimewindow．Duetothissituation，real—timemonitoringofrailwaytrainsnotonlyensurestheoperationsecuritybutalsogivesthemaintenancesquadcriticalandusefulinformation，bywhichthestrengthandtheuncertaintyofthemaintenancewillbesignificantlylowered．TheDAQ

4、(Dataacquisitionsystem)isthekeycomponentofthereal—timemonitoringsystem．Inthispaper，weproposedanembeddedDAQsystembasedonAlteraFPGAandSTM32micro-controller，accordingtoproblemswehadonIPC，oursystemhasanindependentbatterypowersupplytoavoidnoisealonewithACsupply，anditals

5、oCanbeinstalledonarollingstockquiteconveniently．Inthefirstchapter,weintroducedthebackgroundandthedevelopmentsituationoftheDAQ．Inthefollowingchapter，weillustratedthewholedesignofOursystem．Withinthe3rdchapterandthe4thchapter，wedescribedthedetaileddesignandrealization

6、ofOurDateacquisitionandconditioningblocksbasedonFPGA，andfilestoragesystem，networkmoduleandZigbeewirelesscommunicationpartbasedonSTM32micro—controllerandRT-Threadreal-timeoperatingsystem．Hence，HMI(human-machineinterface)onthemastercomputer，hardwarecommissioningands0

7、1．aredebuggingwerebriefedinthelastpart．Lastbutnottheleast，wesummarizedtheshortagesandscarcitiesofOurDAQsystemandgaveoutOurexpectationofimfuturedevelopment．KeyWords：Railwaytransportation；RealtimeDAQ；multifunctionalintake；FPGA；In’-ThreadI盯OS西南交通大学硕士研究生学位论文第llI页目录第l章绪

8、论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．1课题的背景和研究意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．2采集器的国内外发展现状研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．3国外数据采集器的现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．4