智能家居技术外文翻译文档格式.docx

智能家居技术外文翻译文档格式.docx

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学院

计算机学院

专业

计算机科学与技术

班级

学号

姓名

指导教师

负责教师

2012年6月

SmartHomeTechnology

Linkyourhome'

slighting,entertainmentandsecuritysystemswithnewautomatedhometechnology.

Smarthomeisexpectedtooffervariousintelligentservicesbyrecognizingresidentsalongwiththeirlifestyleandfeelings.Oneofthekeyissuesforrealizingthesmarthomeishowtodetectthelocationsofresidents.Currently,theresearcheffortisfocusedontwoapproaches:

terminal-basedandnon-terminal-basedmethods.Theterminal-basedmethodemploysatypeofdevicethatshouldbecarriedbytheresidentwhilethenon-terminal-basedmethodrequiresnosuchdevice..

Thereisagrowinginterestinsmarthomeasawaytoofferaconvenient,comfortable,andsaferesidentialenvironment.Ingeneral,thesmarthomeaimstoofferappropriateintelligentservicestoactivelyassistintheresident’slifesuchashousework,amusement,rest,andsleep.Hence,inordertoenhancetheresident’sconvenienceandsafety,devicessuchashomeappliances,multimediaappliances,andinternetappliancesshouldbeconnectedviaahomenetworksystem,asshowninFig.1,andtheyshouldbecontrolledormonitoredremotelyusingatelevision（TV）orpersonaldigitalassistant（PDA）.

Especially,attentionhasbeenfocusedonlocation-basedservicesasawaytoofferhigh-qualityintelligentservices,whileconsideringhumanfactorssuchaspatternofliving,health,andfeelingsofaresident.Thatis,ifthesmarthomecanrecognizetheresident’spatternoflivingorhealth,thenhomeappliancesshouldbeabletoanticipatetheresident’sneedsandofferappropriateintelligentservicemoreactively.Forexample,inapassiveserviceenvironment,theresidentcontrolstheoperationoftheHVAC（heating,ventilating,andairconditioning）system,whilethesmarthomewouldcontrolthetemperatureandhumidityofaroomaccordingtotheresident’scondition.Variousindoorlocation-awaresystemshavebeendevelopedtorecognizetheresident’slocationinthesmarthomeorsmartoffice.Ingeneral,indoorlocation-awaresystemshavebeenclassifiedintothreetypesaccordingtothemeasurementtechnology:

triangulation,sceneanalysis,andproximitymethods[8].Thetriangulationmethodusesmultipledistancesfrommultipleknownpoints.ExamplesincludeActiveBadges,ActiveBats,andEasyLiving,whichuseinfraredsensors,ultrasonicsensors,andvisionsensors,respectively.Thesceneanalysismethodexaminesaviewfromaparticularvantagepoint.RepresentativeexamplesofthesceneanalysismethodareMotionStar,whichusesaDCmagnetictracker,andRADAR,whichusesIEEE802.11wirelesslocalareanetwork（LAN）.Finally,theproximitymethodmeasuresnearnesstoaknownsetofpoints.AnexampleoftheproximitymethodisSmartFloor,whichusespressuresensors.

Alternatively,indoorlocation-awaresystemscanbeclassifiedaccordingtotheneedforaterminalthatshouldbecarriedbytheresident.Terminal-basedmethods,suchasActiveBats,donotrecognizetheresident’slocationdirectly,butperceivethelocationofadevicecarriedbytheresident,suchasaninfraredtransceiverorradiofrequencyidentification（RFID）tag.Therefore,itisimpossibletorecognizetheresident’slocationifheorsheisnotcarryingthedevice.Incontrast,non-terminalmethodssuchasEasyLivingandSmartFloorcanfindtheresident’slocationwithoutsuchdevices.However,EasyLivingcanberegardedtoinvadetheresident’sprivacywhiletheSmartFloorhasdifficultywithextendibilityandmaintenance.

Homeautomationhascomealongwayfromthemanualtimerhookeduptothelivingroomlight.Today'

s"

smart"

homeautomaticallyregulatesheat,airandlight,distributesaudioandvideoaroundthehouse,controlsaccesstoyourhomeandcanevenremindyoutoexercise!

Newtechnologiesandproductadvanceshavemadehometechnologysystemsmoreaffordablethaneverandhavebroughthomesystemsintegrationintothemainstream.Accordingtoastudydonein2004bytheNationalAssociationofHomeBuildersResearchCenterandtheConsumerElectronicsAssociation,nearlyhalfofallnewhomesbeingbuiltintheU.S.arenowusingstructuredcopper"

wiringtoenabletheinstallationofnewhometechnologysystems.

HowitWorks

Therearefourmaintypesofnetworksyoucaninstallinyourhometosupporttheavailablenewtechnology.Eachhasitsadvantagesanddisadvantagesdependingonwhetheryouarewiringanewhomeorupgradinganexistinghome.

∙Structuredwiringinvolvesrunningspecializedhighperformancecablingthroughoutyourhome.Itprovidesahighlyreliableandsecurenetworkthatdistributesdatasignalsforphones,computers,TVsandaudiocomponents.It'

sidealfornewconstructionbutnotalwayseasytoinstallinanexistingho