外文翻譯-基于wifi構(gòu)建的智能家居系統(tǒng)綜合接入及控制裝置(嵌入式系統(tǒng)部分)

1、外文翻譯原文：外文翻譯原文：APyroelectricInfraredSensbasedIndoLocationAwareSystemftheSmartHomeSukLeeMemberIEEEKyoungNamHaKyungChangLeeMemberIEEEAbstract—Smarthomeisexpectedtooffervariousintelligentservicesbyrecognizingresidentsalongwi

2、ththeirlifestylefeelings.Oneofthekeyissuesfrealizingthesmarthomeishowtodetectthelocationsofresidents.Currentlytheresearchefftisfocusedontwoapproaches:terminalbasednonterminalbasedmethods.Theterminalbasedmethodemploysatyp

3、eofdevicethatshouldbecarriedbytheresidentwhilethenonterminalbasedmethodrequiresnosuchdevice.Thispaperpresentsanovelnonterminalbasedapproachusinganarrayofpyroelectricinfraredsenss(PIRsenss)thatcandetectresidents.Thefeasib

4、ilityofthesystemisevaluatedexperimentallyonatestbed.IndexTerms—smarthomelocationbasedservicepyroelectricinfraredsens(PIRsens)locationrecognitionalgithmI.INTRODUCTIONThereisagrowinginterestinsmarthomeasawaytoofferaconveni

5、entcomftablesaferesidentialenvironment[1][2].Ingeneralthesmarthomeaimstoofferappropriateintelligentservicestoactivelyassistintheresident’slifesuchashousewkamusementrestsleep.Henceindertoenhancetheresident’sconveniencesaf

6、etydevicessuchashomeappliancesmultimediaappliancesinterappliancesshouldbeconnectedviaahomewksystemasshowninFig.1theyshouldbecontrolledmonitedremotelyusingatelevision(TV)personaldigitalassistant(PDA)[3][4].Alternativelyin

7、dolocationawaresystemscanbeclassifiedaccdingtotheneedfaterminalthatshouldbecarriedbytheresident.TerminalbasedmethodssuchasActiveBatsdonotrecognizetheresident’slocationdirectlybutperceivethelocationofadevicecarriedbythere

8、sidentsuchasaninfraredtransceiverradiofrequencyidentification(RFID)tag.Therefeitisimpossibletorecognizetheresident’slocationifhesheisnotcarryingthedevice.IncontrastnonterminalmethodssuchasEasyLivingSmartFlocanfindtheresi

9、dent’slocationwithoutsuchdevices.HoweverEasyLivingcanberegardedtoinvadetheresident’sprivacywhiletheSmartFlohasdifficultywithextendibilitymaintenance.Thispaperpresentsanonterminalbasedlocationawaresystemthatusesanarrayofp

10、yroelectricinfrared(PIR)senss[15][16].ThePIRsenssontheceilingdetectthepresenceofaresidentarelaidoutsothatdetectionareasofadjacentsenssoverlap.BycombiningtheoutputsofmultiplePIRsenssthesystemisabletolocatearesidentwithare

11、asonabledegreeofaccuracy.Thissystemhasinherentadvantageofnonterminalbasedmethodswhileavoidingprivacyextendibilitymaintenanceissues.Indertodemonstrateitsefficacyanexperimentaltestbedhasbeenconstructedtheproposedsystemhasb

12、eenevaluatedexperimentallyundervariousexperimentalconditions.Thispaperisganizedintofoursectionsincludingthisintroduction.SectionIIpresentsthearchitectureofthePIRsensbasedindolocationawaresystem(PILAS)thelocationrecogniti

13、onalgithm.SectionIIIdescribesaresidentdetectionmethodusingPIRsenssevaluatestheperfmanceofthesystemundervariousconditionsusinganexperimentaltestbed.FinallyasummarytheconclusionsarepresentedinSectionIV.II.ARCHITECTUREOFTHE

14、PIRSENSBASEDINDOLOCATIONAWARESYSTEMA.FramewkofthesmarthomeGiventheindoenvironmentofthesmarthomeanindolocationawaresystemmustsatisfythefollowingrequirements.Firstthelocationawaresystemshouldbeimplementedatarelativelylowco

15、stbecausemanysensshavetobeinstalledinroomsofdifferentsizestodetecttheresidentinthesmarthome.Secondsensinstallationmustbeflexiblebecausetheshapeofeachroomisdifferentthereareobstaclessuchashomeappliancesfurniturewhichpreve