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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,already
2、haveanditscontroltechnology,formedthelargescaleautomaticdoorofthefamily.Andaccordingtodifferentrequirements,formulatedaseriesofstandards.PeoplesRepublicofChinainthe2005-12-01standardofChinaautomaticdoornumber,standardcontentmainlyinclude:rulesforbuildingtheclassificationofthevariouskindsofautomaticd
3、oor,specifications,codes,materials,requirements,testmethods,inspectionrulesandsigns,packaging,transportandstorage.Thisstandardappliestopush-pullautomaticdoorautomaticdoors(arc),foldtheflatopenautomaticdoors,automaticdoors,revolvingdoors.Youmayrefertootherautomaticdoor.Havespecialrequirementsofautoma
4、ticdoors,stillshouldseeitsrelatedstandards.Doorandhumancivilizationisatwin,itisaccompaniedbythedevelopmentofhumancivilizationandchatter.Forthousandsofyears,thedoorhasbeenasthepatronsaintofthehumansocietyactivities,intruderintheroom,andasachannelofhumansocialactivities,carryingthedoorandcivilization,
5、pursuingpeopletoyearnforthegloryoftheothershore.Humandesireisendlesstocivilization.FromancientEgypttoRomantotodaysmodernsociety,canseethedoormove.Past,passiveisolationbarrierfunctionofthedooris,andthechannelroleistoensurethatonlytraffic.Todayinthe21stcentury,thedoorevenmorehighlightedsafetyconcept,e
6、mphasizestheeffectiveness:effectivelyprevent,passage,evacuation,andalsohighlightstheconceptofarchitecturalart,doorandbuildingandthesurroundingenvironmentcoordination,theharmoniouswhole.DooradvancedformsofautomaticdoororiginatedinEuropeandtheUnitedStates,inAugust1802,theGermanstandardcompanysuccessfu
7、llydesignedanddevelopedtheworldsfirstsensingautomaticdoors,doorlarge-scalespecializedproductionbeganinthe150yearsago,intheprocessofconstantdevelopmentandperfection,emergedalargenumberofscaleofprofessionalmanufacturers.Rapiddevelopmenttotoday,hasformedacompletekinds,functionperfect,workmanshipfineaut
8、omaticdoorofthefamily.Chinaasearlyasmorethanadecadeagobegantorefertotheautomaticdoors,andapplyitinthehotel,airport,shoppingcenters,Banks,officebuildingsandotherlargeandmedium-sizedpublicplaces,forthesebuildingsaddedbrightbeautiful,chic,colorful.Automaticdooraccordingtothedifferentusefunctionandcanbe
9、dividedintoautomaticslidingdoor,automaticdoor,automaticrevolvingdoor,automaticarcdoor,automaticfoldingdoor,etc.,includingflatdoorwithfeweroccasions,revolvingdoorduetotheexpensiveandverybig,onlycommonlyusedinhigh-gradehotels,inneedautomaticslidingdoorismostwidelyused,peoplegenerallysayautomaticdoor,a
10、utomaticinductiondoorisslidingdoor.Automaticslidingdooristhemostcommonformofautomaticdoormachineaddradaronbothinnersideandoutsideofthedoor,automaticdoorwhenthemancamenear,theradarbyemittingmicrowaveinductiontomansexistence,openthedoortothecontrollerasignal,thecontrollerthroughthedrivetoopenthedoor.W
11、henthemanbythedoor,andthenclosedthedoor.Anotherformofinfraredsensor,mainlythroughtheinfraredtofeelthetemperaturechangeswithinthespecifiedrange,whenpeoplewalkinto,microwaveinductiontheemissionsignalcontrolchangesinthedoor.Microwavesensorsandinfraredsensorsdifferenceismainly:microwavesensor,alsoknowna
12、smicrowaveradar,reactiontothemovementoftheobject,andreactionspeed,suitableforwalkingspeednormalpersonnelthroughtheplace,itscharacteristicisthatoncethedoornearthestaffdontwanttogooutandmotionless,radarwillnolongerresponse,automaticdoorwillbeclosed,likelyclampingphenomenon.Infraredsensors,existinrespo
13、nsetotheobject,regardlessofwhetherornotmobilestaff,aslongasinsensorscanningrange,itwillrespond.Reactionspeedisslowerthanthemicrowavesensorofinfraredsensors.Accordingtodifferentrequirementsofsome,somemanufacturersintheproductionofautomaticdoorscanincreasesomepersonalfunction,facilitatethemanagementan
14、dmaintenance.Suchasfuzhoublueelectronicco.,LTD.,automaticdoor,ithasthefollowingcharacteristics:1,automaticdoorsensorsreacttothemovementofobjectsinmicrowave,sensitivityisadjustable,stableperformance!2,automaticencryptiongathermulti-functionremotecontrolintoanorganicwhole,theinductiondoorforencryption
15、,canavoidtheprojectappearsonthewelsh,baddebts,etc.Phenomenon,thuseffectivelyprotecttheinterestsofdealers,atthesametime,canrealizetheremotecontroltoopenthedoor,alwaysopen,lock,unlock;Hasconnectedtothecardreader,fingerprint,homebutton,peripheraldevices,suchaselectriclockfunctions.3,safetylightcaneffec
16、tivelyovercometheblindareaofinductiveprobesensorislessthan,sothattheinductiondoorsafer.4,self-helpbankcardslotmachineoveralldesign,ABSelectroplatingshelldurableandconvenienttoinstall,canmatchanybankATMcard,nocardcapacitylimits,importedalloyhead,superwear-resistanthighsensitivity,high(400)orlowresist
17、ance(300)Oefilecanbeused;Issuitablefortheself-servicebank.Microwavemodule5,automaticdoor,kickingmedallion,IDcardpassword,remotetransceivermodule,electriccaralarm,telescopicdoors,electronicdisplayscreen,motorcyclealarm.PLC(ProgrammableController,hereinafterreferredtoasPLC).PLCisintheorderofthetraditi
18、onalcontrollerisintroducedonthebasisofmicroelectronicstechnology,computertechnology,automaticcontroltechnologyandcommunicationtechnologytoformanewgenerationofindustrialcontroldevice,thepurposeistoreplacerelay,executethesequencecontrolfunctionsuchaslogic,timing,counting,establishflexibleSPCsystem.Pro
19、grammablecontrollerhasthestrongability,highreliability,flexibleconfiguration,simpleprogramming,etc,isamajormeansofcontemporaryindustrialproductionautomationandautomationcontrolequipment.DuetotheadvantagesofPLCinautomaticcontrol,thusiswidelyquotedintheautomaticdoorsystem.DuetothePLCinthedevelopment,t
20、herefore,fortheexactdefinitionismoredifficult.Americanelectricalmanufacturersassociation(NEMA)afterfouryearsofresearchwork,in1980,officiallynamedProgrammableControllerPC(ProgrammableController),butaPersonalComputerPC(PersonalComputer)inordertodistinguish,oftenreferredtoasPLCProgrammableController,an
21、dmakesadefinitionforPLC,ProgrammableControllerisakindofwithinstructionmemoryanddigitaloranaloginput/outputinterface,withanoperationisgivenpriorityto,canfinishthelogic,sequence,timing,countingandarithmetic,andotherfunctions,isusedtocontrolthemachineortheproductionprocessautomationcontroldevice.In1985
22、aseconddraft,andin1987thethirddraftofPLCinthefollowingdefinition:aPLCisadigitaloperationoftheelectronicsystem,designedforindustrialenvironmentapplicationanddesign.ItUSESaprogrammemory,usedinitsinternalstorageimplementationlogicoperation,sequenceoperation,timing,countingandarithmeticoperationinstruct
23、ion,andcanthroughdigitaloranaloginputandoutput,controlvarioustypesofmachineryorproductionprocess.Programmablecontrollerandrelatedperipheralequipment,shouldbeinaccordancewiththeeasilyandindustrialcontrolsystemasawhole,easytoexpanditsfunctiondesignprinciples.AboveshowsthatthedefinitionofPLCisakindofca
24、nbedirectlyappliedtotheindustrialenvironmentofthedigitalelectronicdevices,isbasedonmicroprocessor,combinedwithcomputertechnology,automaticcontroltechnologyandcommunicationtechnology,inprocesscontrolandtheusersnaturallanguageprogrammingofasimple,convenientoperation,highreliabilityofanewgenerationofge
25、neralindustrialcontroldevice.2.ThemainfunctionsofthePLC(1)theswitchcontrollogicandorderThisisthemostwidelyPLCapplication,thebasicsituation.Itsmainfunctionistocompleteswitchlogicandsequentiallogiccontrol,andthuscanrealizevariouscontrolrequirements.(2)thesimulationcontrol(A/DandD/Acontrol)Manycontinuo
26、usvariationintheprocessofindustrialproduction,theneedtocontrolthephysicalquantities,suchastemperature,pressure,flow,level,etc.,theseallbelongtoanalog.Longerthaninthepast,thePLClogiccontrol,analogcontrolmainlybyinstrumentordistributedcontrolsystem,PLCproductspossessmuchnowdealingwiththiskindofanalogf
27、unctions,andprogrammingandeasytouse.(3)thetiming/countingcontrolPLChasastrongtimingandcountingfunctions,itcanprovideuserswithdozensorevenhundredsoftimersandcounters.Forthetimer,timerintervalcanbesetbytheuser;Tocounter,ifneedtocountofhighfrequencysignal,canchoosehighspeedcounter.(4)thesteppercontrolP
28、LCprovidesuserswithacertainnumberofshiftregister,useshiftregistercaneasilyfinishsteppingcontrolfunction.(5)motioncontrolInthemechanicalprocessingindustry,programmablecontrollerandthecomputernumericalcontrol(CNC)integratedtogether,tocompletemachinetoolmotioncontrol.(6)dataprocessingMostPLChasadiffere
29、ntdegreeofthedataprocessingability,itnotonlycanperformarithmeticoperations,datatransmission,butalsofordatacomparison,dataconversion,datashowstheprintoperation,alsocanundertakesomePLCfloatingpointarithmetic,andfunctionaloperation.(7)communicationnetworkPLChasthefunctionofcommunicationnetwork,itmakesP
30、LCandbetweenPLCanduppercomputer,PLCandotherintelligencetoexchangeinformationbetweendevices,formaunifiedwhole,realizethecentralizedcontrol.PLCcansorapiddevelopment,inadditiontotheobjectivedemandoftheindustrialautomation,hasmanyuniqueadvantages.Itwellsolvedinthefieldofindustrialcontrolwidelyconcernabo
31、utthereliable,safe,flexible,convenient,economicandotherissues.Itsmainfeaturesareasfollows:(1)highreliabilityReliabilityreferstotheaveragetrouble-freeworkingtimeprogrammablecontroller.Duetotheprogrammablecontrollerhasadoptedaseriesofhardwareandsoftwareanti-interferencemeasures,stronganti-interference
32、ability,MTBFreachingtensofthousandsofhours,canbedirectlyappliedtoindustrialproductionfieldhaveastronginterference.Programmablecontrolleristhemassesofusersrecognizedtobeoneofthemostreliableindustrialcontrolequipment.(2)controlfunctionisstrongAsmallprogrammablecontrollerwithhundredsofthousandsofprogra
33、mmingelementsavailableforuserstouse,canachieveverycomplicatedcontrolfunction.Comparedwiththesamefunctionofrelaysystem,ithastheveryhighcostperformance.Programmablecontrollercanbethroughthecommunicationnetwork,realizesthedecentralizedcontrolandcentralizedmanagement.(3)theusereasytouseProgrammablecontr
34、ollerproductshavebeenstandardization,seriation,modularization,equippedwithawiderangeofvarioushardwaredevicesforuserselection,userscanconvenientlyflexiblesystemconfiguration,systemcomposedofdifferentfunctions,differentscale.Programmablecontrollerwouldbeveryconvenientfortheinstallationofwiring,strongl
35、oadcapacity,candirectdrivegeneralsolenoidvalveandaccontactor.Thehardwareconfigurationisdetermined,youcanchangetheuserprogram,convenienttoquicklyadapttochangesinprocessconditions.(4)programmingconvenient,simpleLadderdiagramisaprogrammablecontrolleristhemostusedprogramminglanguage,thesymbol,expression
36、wayandtherelaycircuitprinciplediagramissimilar.Ladderdiagramlanguage,image,intuitive,simple,easytolearn,familiarwiththerelaycircuitdiagramoftheelectricaltechnicianjustspendafewdaystimecanbefamiliarwithladderdiagramlanguage,andusedtopreparetheuserprogram.(5)thedesign,installation,commissioningperiodi
37、sshortProgrammablecontrolforsoftwarefunctionreplacedtherelaycontrolsystemofalargenumberofintermediaterelays,timerelays,counters,etc.,makethecontrolcabinetdesign,installation,wiringgreatlyreducetheworkload,shortentheconstructionperiod.Programmablecontrolleroftheuserprogramcanbesimulatedinthelaborator
38、ydebugging,simulationdebugagainaftergoodwillintheproductionsiteforinstallationandwiringofPLCcontrolsystem,atthesceneofproblemsfoundinthetrackingprocessbymodifyingtheprogramcansolve,greatlyshortenthedesigncycleandwasputintooperation.(6)easytorealizemechanicalandelectricalintegrationProgrammablecontro
39、llerissmallinsize,lightweight,lowpowerconsumption,vibrationresistant,moistureproofandheatresistantcapabilityisstrong,makingthemeasytoinstallinsidethemachineequipment,producemechanicalandelectricalintegrationproducts.NowwithPLCasthecontrollerofCNCequipmentanddevicehasbecomeatypicalrobot.自动门及其控制系统介绍 作
40、者:吉恩F.富兰克林 单位:普林斯顿大学 地址:新泽西州普林斯顿学院东路 755号邮编08540作为人类文明的产物,自动门已经发展了几十年,到目前为止,通过PLC控制系统和其他技术产品的应用,再加上其控制技术的成熟,自动门控制系统已经成型。根据不同的要求,人们也制定了一系列标准。在中国人民共和国中国自动门(2005-12-01)标准中,写明自动门标准的内容主要包括:建筑物的自动门的分类规则包括程序,材料,要求,试验方法,检验规则和标志,包装,运输和储存。本标准适用于推拉自动门自动门(弧),折平开自动门,自动门,旋转门,以及他自动门。对于自动门的特殊要求,还应看其相关标准。门和人类文明是息息相关
41、的,它伴随着人类文明的发展。数千年来,门一直作为人类社会活动的守护神,阻止房间的入侵者,并作为人类社会活动的通道,门承载着人类文明。人的欲望创造着文明。从古埃及的罗马到今天的现代社会中,可以看到门变化。过去,门起着隔离屏障,和通道的作用。在二十一世纪的今天,门更加突出了安全理念,也强调了有效性。包括通道,疏散,也涉及了建筑艺术的概念,门和建筑与周边环境应该是协调和谐的整体。自动门起源于欧洲和美国,在1802年8月,德标公司成功设计并开发出了世界上第一个感应自动门,自动门大规模专业化生产始于150年前,在不断发展和完善的过程中,涌现出一大批的专业厂家。自动门快速发展到今天,已经形成了一个种类齐全,功能完善,家庭化标准的体系。中国早在十多年前就开始研究生产自动门,并把它应用在酒店,机场,商场,银行,写字楼等大中型公共场所,为这些建筑增添了亮丽光彩。自动门根据不同的使用功能,可分为自动滑门,自动门,自动旋转门,自动门,自动折叠门等,在较少的场合,也包括平板门。而旋转门由于价格昂贵和非常大的,一般只用于高档酒店。自动滑动门的应用则最为广泛,人们通常说的自动感应门是滑动门。自动滑门是自动门机的最常见的形式,在内、外
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