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基于单片机的温度控制系统外文翻译.docx

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外文原文：DesignoftheTemperatureControlSystemBasedonAT89C51ABSTRACTTheprincipleandfunctionsofthetemperaturecontrolsystembasedonmicrocontrollerAT89C51arestudiedandthetemperaturemeasurementunitconsistsofthe1-WirebusdigitaltemperaturesensorDS18B20.Thesystemcanbeexpectedtodetectthepresettemperaturedisplaytimeandsavemonitoringdata.Analarmwillbegivenbysystemifthetemperatureexceedstheupperandlowerlimitvalueofthetemperaturewhichcanbesetdiscretionarilyandthenautomaticcontrolisachievedthusthetemperatureisachievedmonitoringintelligentlywithinacertainrange.Basingonprincipleofthesystemitiseasytomakeavarietyofothernon-linearcontrolsystemssolongasthesoftwaredesignisreasonablychanged.Thesystemhasbeenprovedtobeaccuratereliableandsatisfiedthroughfieldpractice.KEYWORDS:AT89C51;microcontroller;DS18B20;temperature1INTRODUCTIONTemperatureisaveryimportantparameterinhumanlife.Inthemodernsocietytemperaturecontrol(TC)isnotonlyusedinindustrialproductionbutalsowidelyusedinotherfields.WiththeimprovementofthelifequalitywecanfindtheTCapplianceinhotelsfactoriesandhomeaswell.AndthetrendthatTCwillbetterservethewholesocietysoitisofgreatsignificancetomeasureandcontrolthetemperature.BasedontheAT89C51andtemperaturesensorDS18B20thissystemcontrolstheconditiontemperatureintelligently.Thetemperaturecanbesetdiscretionarilywithinacertainrange.ThesystemcanshowthetimeonLCDandsavemonitoringdata;andautomaticallycontrolthetemperaturewhentheconditiontemperatureexceedstheupperandlowerlimitvalue.Bydoingsoitistokeepthetemperatureunchanged.Thesystemisofhighanti-jamminghighcontrolprecisionandflexibledesign;italsofitstheruggedenvironment.Itismainlyusedinpeople'slifetoimprovethequalityoftheworkand