基于单片机的温度控制系统外文翻译.doc

word格式 整理版 学习参考 ?外文原文：???????? Design?of?the?Temperature?Control?System?Based?on?AT89C51?? ?ABSTRACT?? ??The?principle?and?functions?of?the?temperature?control?system?based?on?micro?controller?AT89C51?are?studied,?and?the?temperature?measurement?unit?consists?of?the?1-Wire?bus?digital?temperature?sensor?DS18B20.?The?system?can?be?expected?to?detect?the?preset?temperature,?display?time?and?save?monitoring?data.?An?alarm?will?be?given?by?system?if?the?temperature?exceeds?the?upper?and?lower?limit?value?of?the?temperature?which?can?be?set?discretionarily?and?then?automatic?control?is?achieved,?thus?the?temperature?is?achieved?monitoring?intelligently?within?a?certain?range.?Basing?on?principle?of?the?system,?it?is?easy?to?make?a?variety?of?other?non-linear?control?systems?so?long?as?the?software?design?is?reasonably?changed.?The?system?has?been?proved?to?be?accurate,?reliable?and?satisfied?through?field?practice.?? KEYWORDS:?AT89C51;?micro?controller;?DS18B20;?temperature??1??INTRODUCTION?? ??Temperature?is?a?very?important?parameter?in?human?life.?In?the?modern?society,?temperature?control?(TC)?is?not?only?used?in?industrial?production,?but?also?widely?used?in?other?fields.?With?the?improvement?of?the?life?quality,?we?can?find?the?TC?appliance?in?hotels,?factories?and?home?as?well.?And?the?trend?that?TC?will?better?serve?the?whole?society,?so?it?is?of?great?significance?to?measure?and?control?the?temperature.?Based?on?the?AT89C51?and?temperature?sensor?DS18B20,?this?system?controls?the?condition?temperature?intelligently.?The?temperature?can?be?set?discretionarily?within?a?certain?range.?The?system?can?show?the?time?on?LCD,?and?save?monitoring?data;?and?automatically?control?the?temperature?when?the?condition?temperature?exceeds?the?upper?and?lower?limit?value.?By?doing?so?it?is?to?keep?the?temperature?unchanged.?The?system?is?of?high?anti-jamming,?high?control?precision?and?flexible?design;?it?also?fits?the?rugged?environment.?It?i