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1、DesignoftheDataAcquisitionSystemBasedonSTM32ABSTRACTEarlydetectionoffailuresinmachineryequipmentsisoneofthemostimportantconcernstoindustry.Inordertomonitoreffectiveofrotatingmachinery,wedevelopmentamicro-controlleruC/OS-IIsystemofsignalacquisitionsystembasedonSTM32inthispaper.
2、wehavegiventhewholedesignschemeofsystemandthemulti-channelvibrationsignalinaxisX,YandZoftherotaryshaftcanbeacquiredrapidlyanddisplayinreal-time.Oursystemhasthecharacterofsimplestructure,lowpowerconsumption,miniaturization.Keywords:STM32;dataacquisition;embeddedsystem;uC/OS-II;
3、1.1.IntroductionThereal-timeacquisitionofvibrationinrotatingmachinerycaneffectivelypredict,assessanddiagnoseequipmentoperationstate,theindustrygetsvibrationdataacquisitionRapidlyandanalysisinreal-timecanmonitortherotatingmachinerystateandguaranteethesaferunningoftheequipment.I
4、nordertopreventfailure,reducemaintenancetime,improvetheeconomicefficiency,Thepurposeoffaultdiagnosissystemcandetectthesedevicesthroughthevibrationsignalacquisitionofrotatingmachinery,andprocessthedataacquisition,thenitwillmaketimelyjudgmentofrunningstateofequipment.Whilethedat
5、aacquisitionmoduleisthecorepartofthefaultdiagnosissystem[1-4].Thepracticalapplicationintheindustrialfield,istheequipmentoperatingparameterswillbeacquiredtomonitorequipmentoperatingstate.Intraditionaldataacquisitionsystems,thedatafromacquisitioncardaregenerallysendintothecomput
6、er,andspecificsoftwarewillbedevelopedforthedataacquisition.ThemaincontributionofthispaperhasdesignedtheSTM32platformwithARMtechnology,thathasbecomeatraditionalmainstreamtechnologyinembeddedsystems,andthecollectingdatatowardthedirectionofhighreal-time,multi-parameter,high-preci
7、sion,whiledatastoragebecomelargecapacity,moreminiaturizationandportable,andthedevelopmentofmulticommunicationmodeandlong-distancefordatatransmission.Soastomeettheactualacquisitionsystemmultitaskingrequirements,thisarticlehasdesignedbasedonSTM32micro-controlleruC/OS-IIsystemofs
8、ignalacquisitionsystem.Therefore,inordertomeettheactualacquis
