《工業(yè)互聯(lián)網(wǎng)基礎(chǔ)（雙語(yǔ)）》課件-1.傳感器技術(shù)

傳感器技術(shù)工業(yè)互聯(lián)網(wǎng)基礎(chǔ)（雙語(yǔ)）Sensortechnology傳感器Sensor傳感器，是一種能將物理世界的變量，轉(zhuǎn)換成一定規(guī)律變化的電信號(hào)檢測(cè)裝置。智能傳感器，通過(guò)集成微處理器，實(shí)現(xiàn)信息檢測(cè)與處理功能的器件或裝置。Sensorisanelectricalsignaldetectiondevicethatcanconvertthevariablesofthephysicalworldintoacertainregularchange.Smartsensorsaredevicesthatimplementinformationdetectionandprocessingfunctionsthroughintegratedmicroprocessors.傳感器分類方法classificationmethodsforsensor按被測(cè)量分類Accordingtothemeasurement按工作原理分類Accordingtotheworkingprinciple按敏感材料分類Accordingtosensitivematerials按輸出量性質(zhì)分類Accordingtothenatureoftheoutput按應(yīng)用場(chǎng)合分類Accordingtotheapplicationoccasion按使用目的分類Accordingtothepurposeofuse010302040605智能傳感器SmartSensor智能傳感器的概念，最早出現(xiàn)在20世紀(jì)70年代，由美國(guó)宇航局在研制宇宙飛船的過(guò)程中提出并形成。為了確保不丟失重要數(shù)據(jù)，同時(shí)又能降低成本，因此提出研制能夠集數(shù)據(jù)采集與數(shù)據(jù)處理于一體的智能傳感器。Theconceptofsmartsensorsfirstappearedinthe1970sandwasputforwardandformedbyNASAintheprocessofdevelopingspacecraft.Thepurposeistoensurethatimportantdataisnotlostwhilereducingcosts.Therefore,itisproposedtodevelopansmartsensorthatcanintegratedatacollectionanddataprocessing.智能傳感器的主要功能如下：1)具有自校零、自標(biāo)定、自校正功能。2)具有自動(dòng)補(bǔ)償功能。3)能夠自動(dòng)采集數(shù)據(jù)，并對(duì)數(shù)據(jù)進(jìn)行預(yù)處理。4)能夠自動(dòng)進(jìn)行檢驗(yàn)、自選量程、自尋故障。5)具有數(shù)據(jù)存儲(chǔ)、記憶與信息處理功能。6)具有雙向通訊、標(biāo)準(zhǔn)化數(shù)字輸出或者符號(hào)輸出功能。7)具有判斷、決策處理功能。Themainfunctionsofsmartsensorsareasfollows:1)Ithasthefunctionsofself-calibrationandself-correction.2)Ithasthefunctionofautomaticcompensation.3)Itcanautomaticallycollectdataandpreprocessthedata.4)Itiscapableofautomaticinspection,self-selectionofrange,andself-findingoffaults.5)Ithasthefunctionsofdatastorage,memoryandinformationprocessing.6)Ithasthefunctionsoftwo-waycommunication,standardizeddigitaloutputandsymboloutput.7)Ithasthefunctionsofjudgmentanddecision-makingpr