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1、毕业论文外文文献与翻译（一）Automaticdooranditscontrolsystemintroduction Author：GeneF.Franklin Unit:PrincetonUniversity 755CollegeRoadEast, Princeton,NJ08540Productofhumancivilization,automaticdoorshavebeendozensofyearsofdevelopment,sofar,throughtheapplicationofPLCcontrolsystemandothertechnologyproducts,alreadyha
2、veanditscontroltechnology,formedthelargescaleautomaticdoorofthefamily.Andaccordingtodifferentrequirements,formulatedaseriesofstandards.PeoplesRepublicofChinainthe2005-12-01standardofChinaautomaticdoornumber,standardcontentmainlyinclude:rulesforbuildingtheclassificationofthevariouskindsofautomaticdoo
3、r,specifications,codes,materials,requirements,testmethods,inspectionrulesandsigns,packaging,transportandstorage.Thisstandardappliestopush-pullautomaticdoorautomaticdoors(arc),foldtheflatopenautomaticdoors,automaticdoors,revolvingdoors.Youmayrefertootherautomaticdoor.Havespecialrequirementsofautomati
4、cdoors,stillshouldseeitsrelatedstandards.Doorandhumancivilizationisatwin,itisaccompaniedbythedevelopmentofhumancivilizationandchatter.Forthousandsofyears,thedoorhasbeenasthepatronsaintofthehumansocietyactivities,intruderintheroom,andasachannelofhumansocialactivities,carryingthedoorandcivilization,pu
5、rsuingpeopletoyearnforthegloryoftheothershore.Humandesireisendlesstocivilization.FromancientEgypttoRomantotodaysmodernsociety,canseethedoormove.Past,passiveisolationbarrierfunctionofthedooris,andthechannelroleistoensurethatonlytraffic.Todayinthe21stcentury,thedoorevenmorehighlightedsafetyconcept,emp
6、hasizestheeffectiveness:effectivelyprevent,passage,evacuation,andalsohighlightstheconceptofarchitecturalart,doorandbuildingandthesurroundingenvironmentcoordination,theharmoniouswhole.DooradvancedformsofautomaticdoororiginatedinEuropeandtheUnitedStates,inAugust1802,theGermanstandardcompanysuccessfull
7、ydesignedanddevelopedtheworldsfirstsensingautomaticdoors,doorlarge-scalespecializedproductionbeganinthe150yearsago,intheprocessofconstantdevelopmentandperfection,emergedalargenumberofscaleofprofessionalmanufacturers.Rapiddevelopmenttotoday,hasformedacompletekinds,functionperfect,workmanshipfineautom
8、aticdoorofthefamily.Chinaasearlyasmorethanadecadeagobegantorefertotheautomaticdoors,andapplyitinthehotel,airport,shoppingcenters,Banks,officebuildingsandotherlargeandmedium-sizedpublicplaces,forthesebuildingsaddedbrightbeautiful,chic,colorful.Automaticdooraccordingtothedifferentusefunctionandcanbedi
9、videdintoautomaticslidingdoor,automaticdoor,automaticrevolvingdoor,automaticarcdoor,automaticfoldingdoor,etc.,includingflatdoorwithfeweroccasions,revolvingdoorduetotheexpensiveandverybig,onlycommonlyusedinhigh-gradehotels,inneedautomaticslidingdoorismostwidelyused,peoplegenerallysayautomaticdoor,aut
10、omaticinductiondoorisslidingdoor.Automaticslidingdooristhemostcommonformofautomaticdoormachineaddradaronbothinnersideandoutsideofthedoor,automaticdoorwhenthemancamenear,theradarbyemittingmicrowaveinductiontomansexistence,openthedoortothecontrollerasignal,thecontrollerthroughthedrivetoopenthedoor.Whe
11、nthemanbythedoor,andthenclosedthedoor.Anotherformofinfraredsensor,mainlythroughtheinfraredtofeelthetemperaturechangeswithinthespecifiedrange,whenpeoplewalkinto,microwaveinductiontheemissionsignalcontrolchangesinthedoor.Microwavesensorsandinfraredsensorsdifferenceismainly:microwavesensor,alsoknownasm
12、icrowaveradar,reactiontothemovementoftheobject,andreactionspeed,suitableforwalkingspeednormalpersonnelthroughtheplace,itscharacteristicisthatoncethedoornearthestaffdontwanttogooutandmotionless,radarwillnolongerresponse,automaticdoorwillbeclosed,likelyclampingphenomenon.Infraredsensors,existinrespons
13、etotheobject,regardlessofwhetherornotmobilestaff,aslongasinsensorscanningrange,itwillrespond.Reactionspeedisslowerthanthemicrowavesensorofinfraredsensors.Accordingtodifferentrequirementsofsome,somemanufacturersintheproductionofautomaticdoorscanincreasesomepersonalfunction,facilitatethemanagementandmaintenance.Suchasfuzhoublueelectronicco.,LTD.,automaticdoor,ithasthefollowingcharacteristics:1,automaticdoorsensorsreacttothemovementofobjectsinmicrowave,sensitivityisadjus
