基于单片机的温度控制系统外文翻译(完整资料).doc

基于单片机的温度控制系统外文翻译(完整资料）(可以直接使用，可编辑优秀版资料，欢迎下载）外文原文：DeｓｉgｎｏfthｅTempｅｒatｕrｅControlSyｓｔｅmＢasedonAT８9C51ABSTRACTＴheｐrｉncipleandｆunctｉonsofｔｈetｅmperaｔurecoｎtrolsystｅmｂａsｅｄoｎmｉcroｃｏntrｏｌleｒAＴ8９C5１arｅstuｄied,aｎdthｅtemｐeraｔuremeasurementunitcoｎsｉsｔsｏfthｅ１—WｉrebuｓdigitalｔemperaturｅseｎsｏrＤＳ１8Ｂ20。Ｔhesysｔemcanbeexpecteｄtoｄetectthｅpresｅtｔeｍｐerａtｕｒｅ，ｄｉｓplaytｉｍeａndsaveｍoniｔoｒｉnｇdatａ。Analarmwillｂeｇivｅｎbysyｓtemifｔｈetempｅratureｅxcｅｅｄstheｕｐｐeranｄｌoweｒｌｉｍitvaluｅｏfthetemｐｅratｕrewhichcanbesetｄiｓcrｅtiｏnaｒilｙandｔｈｅnauｔoｍatiｃcontrｏｌisachieveｄ,tｈusｔhetemperaｔuｒeisａchievｅdmonitoriｎｇinｔelligｅnｔlywithinacertainｒａｎｇe.Ｂasingｏnpｒｉnciｐlｅｏｆｔｈｅsystem,itiseasytomａkeavarietyｏfotｈｅrnoｎ—liｎearcontroｌｓｙstemssoloｎgａｓthesoftwaredesignｉｓrｅasoｎablychanged.Thesystemhａｓbeenprovｅdtoｂeaccuｒate,ｒeｌiableａnｄsaｔisfiedtｈｒoughfieldpｒactice．KEYWＯRDS：AT89C51；micrｏcｏntｒolｌer；ＤS18B20;teｍperaturｅ1IＮTＲODUCＴIONTeｍｐｅrａｔuｒeｉsaｖｅｒyimｐortanｔpａrａmetｅrinhumanliｆe.Inthemodeｒnsocieｔy，tempｅｒaturecoｎtroｌ（ＴC）isnoｔonｌｙｕseｄinｉndusｔrｉaｌproｄuctｉon,ｂｕtaｌsｏwｉdelｙusedinotherｆields.Withｔｈｅimprｏveｍentｏfthelifequality，wecanfiｎdｔｈeＴCａppliaｎceiｎhotels，factorｉｅsａndhｏmｅaｓwelｌ.AndtｈｅtrendthatＴCｗilｌbeｔterserｖｅthewhｏlesｏciｅtｙ，soｉtisｏfgrｅatsｉgnｉｆiｃａncetｏｍeasｕｒeandｃｏntroltheｔｅｍｐerature．BａsｅdontheAT８９C51ａnｄteｍperaｔｕresenｓorDＳ18Ｂ20,thisｓysｔemcｏntrolstheｃondiｔionｔempｅratureinｔelligenｔly。Thetemｐｅratureｃａnbesetdiscrｅtiｏｎarilywithinaｃerｔaｉnｒaｎge。ＴhesysｔemcanｓhowtheｔimeｏnLＣD，ａndｓavemoｎiｔoringdａｔa；aｎdauｔｏmaticaｌｌycｏnｔｒoｌthetempｅraｔurewhentｈｅｃondiｔiｏnｔempｅrａtureexceｅdstｈeuppeｒａｎdｌｏwerlimｉｔvalue．Ｂydｏiｎgsoitistokeeｐtheｔemｐeｒａtureunchanｇed.Ｔhesｙstｅmiｓofhighantｉ-jamminｇ，hｉgｈcontrｏｌｐreciｓｉonａndflｅxibleｄesigｎ;ｉtaｌsofitstheｒuggedenvirｏｎment。Ｉtisｍainlｙusedinｐeoplｅ＇slifｅtoｉmprｏveｔｈequａｌｉtyofｔhｅｗｏrkａndlife。Iｔisaｌｓoｖersaｔile,sothatｉtcanｂeconｖenienｔtoexｔendtｈeuseoｆthesystem。Sothedesigniｓofprofoｕnｄｉｍｐortance.Ｔｈeｇｅneraldｅsigｎ，haｒdｗａｒedesiｇnanｄsoftwaredesignoｆthｅsｙstemarｅcovered。1.1IｎtｒoduｃtionTｈｅ8—ｂitAT８９C51CHMOSmicrocontｒｏｌlｅｒsaredesignedtohanｄlehigh-speeｄcalcｕlationsａnｄｆａstinpｕ