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基于嵌入式Linux的数据采集系统的设计与实现.docx

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基于嵌入式Linux的数据采集系统的设计与实现 Abstract： Inrecentyears,withtherapiddevelopmentoftheInternetofThings(IoT)technology,dataacquisitionsystemshavebecomeincreasinglyimportantinvariousfields,suchasenvironmentalmonitoring,industrialcontrol,andenergymanagement.Asanopen-source,flexibleandcustomizableoperatingsystem,embeddedLinuxhasbeenwidelyusedindataacquisitionsystemdevelopment.ThispaperaimstointroducethedesignandimplementationofadataacquisitionsystembasedonembeddedLinux,includinghardwareselection,softwareconfiguration,dataacquisitionanddataprocessing.Withitsadvantagesofflexibility,scalabilityandeasyintegrationwiththecloud,theproposedsystemcanhelpuserstobettercollectandmanagedata,analyzeandpredicttrends,andmakeaccuratedecisionsbasedondataanalysis. Introduction： Dataacquisitionistheprocessofcollectingandcapturingsignaldatafromdifferentsources,suchassensors,instruments,anddevices,andconvertingthemintocomputer-readableformforfurtheranalysisandprocessing.Withtheincreasingdemandfordataacquisitionsystems,especiallyinindustrialcontrol,environmentalmonitoring,andenergymanagement,therequirementsforsystemdesignandperformancehavebecomehigher.EmbeddedLinux,asanopen-source,flexible,andcustomizableoperatingsystem,hasbeenwidelyusedindataacquisitionsystemdevelopmentduetoitsadvantagesofstability,scalabilityandeasyintegrationwiththecloud. Inthispaper,weproposeadataacquisitionsystembasedonembeddedLinux.Wewillintroducethesystem'shardwareselection,softwareconfiguration,dataacquisition,anddataprocessing,aswellastheadvantagesandchallengesoftheproposedsystem. 1.HardwareSelection Thehardwareselectionisessentialforthesystem'sperformance,reliability,andscalability.Inthissystem,weselectaRaspberryPisingleboardcomputer,whichhasasmallformfactor,lowpowerconsumption,andexcellentcommunitysupport.TheRaspberryPihasaBroadcomBCM2835processorwithaclockspeedof1GHzand1GBRAM.Wealsoselectasetofindustrialsensors,includingtemperatureandhumiditysensors,lightsensors,andgassensors.Thesesensorscanprovidereal-timeandaccuratedatafo