资源描述：
《数据采集系统文献翻译.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、SelectingtheRightDataAcquisitionSystemEngineersoftenmustmonitorahandfulofsignalsoverextendedperiodsoftime,andthengraphandanalyzetheresultingdata.Theneedtomonitor,recordandanalyzedataarisesinawiderangeofapplications,includingthedesign-verificationstage
2、ofproductdevelopment,environmentalchambermonitoring,componentinspection,benchtoptestingandprocesstrouble-shooting.Thisapplicationnotedescribesthevariousmethodsanddevicesyoucanusetoacquire,recordandanalyzedata,fromthesimplepen-and-papermethodtousingtod
3、ay'ssophisticateddataacquisitionsystems.Itdiscussestheadvantagesanddisadvantagesofeachmethodandprovidesalistofquestionsthatwillguideyouinselectingtheapproachthatbestsuitsyourneeds.IntroductionIngeotechnicalengineering,wesometimeencountersomedifficulti
4、essuchasmonitoringinstrumentsdistributedinalargearea,dangerousenvironmentofworkingsitethatcausesomedifficultyforeasyaccess.Inthiscase,operatorsmayadoptremotecontrol,bywhichalargeamountofmeasureddatawillbetransmittedtoaobservationroomwherethedataaretob
5、ecollected,storedandprocessed.Theautomaticdataacquisitioncontrolsystemisabletocompletethetasksasregularautomaticdatamonitoring,acquisitionandstore,featuringhighautomation,largedatastorecapacityandreliableperformance.Thesystemiscomposedofacquisitioncon
6、trolsystemanddisplaysystem,withthefollowingfeatures:1.No.ofChannels:32(canbeincreasedordecreasedaccordingtouser'srealneeds.)2.Scanningduration:decidedbyuser,fastest32points/second3.Storecapacity:20G(maybeincreasedordecreased)4.Display:(a)Tableofparame
7、ter(b)Historytendency(c)Columngraphics.5.Function:realtimemonitoringcontrol,warning6.Overalldimension:50cm×50cm×72cmDataacquisitionsystems,asthenameimplies,areproductsand/orprocessesusedtocollectinformationtodocumentoranalyzesomephenomenon.Inthesimple
8、stform,atechnicianloggingthetemperatureofanovenonapieceofpaperisperformingdataacquisition.Astechnologyhasprogressed,thistypeofprocesshasbeensimplifiedandmademoreaccurate,versatile,andreliablethroughelectronicequipment.Equipmentrangesfromsimple
