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1、毕业设计外文资料翻译题目基于DS18B20的啤酒发酵温度测控系统学院自动化与电气工程学院专业自动化班级自动化xxxx班学生xxxxxxxxx学号指导教师xxxxx二〇一四年三月三十一日-13--13-AdvancedMaterialsResearchVols.108-111(2010)pp898-902©(2010)TransTechPublications,Switzerlanddoi:10.4028/www.scientific.net/AMR.108-111.898TemperatureDetectingSystemofBeerFermentationBasedonDS18B20Fen-
2、PingZhou,Hong-TaoMa,Bing-DongSui，andJia-MoSunCollegeofInformationScience&Engineering,HebeiUniversityofScienceandTechnologyHebei,Shijiazhuang,Chinazhoufenping@hebust.edu.cn,mahongtao@hebust.edu.cnsuibd@hebust.edu.cn,sunjiamo@hebust.edu.cnKeywords:DS18B20,TemperatureDetecting,BeerFermentation,Bus-driv
3、ing,FaultDetectingAbstract.ThisPaperintroducesatemperaturedetectionsysteminbeerfermentation.Atemperaturemonitoringsystemwithcharacteristicsofbustopologystructureiscomposedofindustrialcomputer,temperaturedetector,busconverter,transmissionbusandespecially1-wiredigitaltemperaturesensorDS18B20.Four-core
4、cableisusedtoformatree-likeorstar-likenetwork,inwhich54digitaltemperaturesensorsexistingon18fermentationtankscanbeconnected.Thequantityofjunctionwiresbetweentemperaturesensorandcomputerwillbereducedgreatly.TemperaturedetectorprovidespowersupplyforbusconverterandDS18B20throughFour-corecable.Becausebu
5、sconverterhasusedhardwarefaultdetectingtechnology,thefaulttemperaturesensorcanautomaticallydetachfromthemainbusandwillnotaffectnormalworkingofothersensorinnetwork.Sotosolvetheproblemofacertainsensororbranch'sdamagecausingtheparalysisofentirebus.Thelengthofdetectingtemperaturebuscanreachmorethan500me
6、ters.Theseallmakesystemmaintenanceandexpansioneasy.Theexperimentsshowthatthissystemischaracterizedbyhighintelligence,high-precision,capabilityofmakingtemperaturetestonmulti-pointsandcompensatingfunction.Themethodhasagoodapplicablevaluetothetemperaturetest..IntroductionThechangeoffermentationtemperat
7、urehasagreaterimpactonthequalityofbeerintheprocessofbeerproduction.Manyfermentationtanksareusedtofermentbeerinabrewery.Afewsensorsareinstalledineachfermentationtanktomeasurethetemperatureofliquid.Thet
