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基于STM32的数据采集系统英文文献.doc

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DesignoftheDataAcquisitionSystemBasedonSTM32 ABSTRACT Earlydetectionoffailuresinmachineryequipmentsisoneofthemostimportantconcernstoindustry。Inordertomonitoreffectiveofrotatingmachinery,wedevelopmentamicro-controlleruC/OS-IIsystemofsignalacquisitionsystembasedonSTM32inthispaper。wehavegiventhewholedesignschemeofsystemandthemulti—channelvibrationsignalinaxisX，YandZoftherotaryshaftcanbeacquiredrapidlyanddisplayinreal—time。Oursystemhasthecharacterofsimplestructure,lowpowerconsumption,miniaturization. Keywords：STM32；dataacquisition；embeddedsystem;uC/OS—II； 1。Introduction Thereal-timeacquisitionofvibrationinrotatingmachinerycaneffectivelypredict，assessanddiagnoseequipmentoperationstate，theindustrygetsvibrationdataacquisitionRapidlyandanalysisinreal-timecanmonitortherotatingmachinerystateandguaranteethesaferunningoftheequipment。Inordertopreventfailure，reducemaintenancetime，improvetheeconomicefficiency,Thepurposeoffaultdiagnosissystemcandetectthesedevicesthroughthevibrationsignalacquisitionofrotatingmachinery，andprocessthedataacquisition,thenitwillmaketimelyjudgmentofrunningstateofequipment。Whilethedataacquisitionmoduleisthecorepartofthefaultdiagnosissystem[1—4］。Thepracticalapplicationintheindustrialfield，istheequipmentoperatingparameterswillbeacquiredtomonitorequipmentoperatingstate。Intraditionaldataacquisitionsystems，thedatafromacquisitioncardaregenerallysendintothecomputer，andspecificsoftwarewillbedevelopedforthedataacquisition.ThemaincontributionofthispaperhasdesignedtheSTM32platformwithARMtechnology,thathasbecomeatraditionalmainstreamtechnologyinembeddedsystems，andthecollectingdatatowardthedirectionofhighreal—time,multi-parameter,high-precision,whiledatastoragebecomelargecapacity,moreminiaturizationandportable，andthedevelopmentofmulticommunicationmodeandlong-distancefordatatransmission。Soastomeettheactualacquisitionsystemmultitaskingrequirements,thisarticlehasdesignedbasedonSTM32micro-controlleruC/OS—IIsystemofsignalacquisitionsystem。Therefore，inordertomeettheactualacq