基于zigbee技术的消防员定位系统分析与实现

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1、基于Zigl3ee技术的消防员定位系统研究与实现RESEARCHANDIMPLEMENTATloNoFTHEPoSITIoNINGSYSTEMOFFIREM【ANBASEDoNZlGBEETECHNOLOGYABSTRACTSincethetwenty-firstCentury,China’Seconomyisintheperiodoftransitionandrapiddevelopment．Fireaccidentsoftenhappeninthelargeandmedium-sizedcities．Inthecomplexfire—f

2、ightingrescueenvironment，wemustfaceaserioussituationthatthecasualtyratiooffirefightersintheexecutionofataskisgraduallyincreasing．Howtocompletethefirefightingtaskwelltoensurethesafetyandreducethecasualtiesisthetrendoftheintelligenttimes．Thispapermainlytosolvethesafetyproble

3、msoffirefightersinthefireenvironmentproposestheresearchandimplementationofafiremanforindoorwirelesslocalizationsystembasedonZigBeetechnology．Firstly,thepaperappliestheZigBeewirelesscommunicationtechnologytorealizetheindoorwirelesslocationtechnology．Inthissystem,theterminal

4、nodesCansenddatatotherouter．TherouterCanforwarddatatocoordinatororotherrouters．ThesystemUSestheZigBeenetworkcharacteristicsextractingRSSIvaluefrompacketdata，asthereferenceofthedistancebetweenthetransmittingnodeandreceivingnode．Thenthelocation’Salgorithmcalculatesthelocatio

5、noftheunknownnodewitlltheuseofthreedistancesatleast．Secondly,theaccuracyisnothighconsideringtheindoorwirelesslocalizationsystembasedonZigBee．ThissystemdesignsakindofdistancemappedRSSIintervalalgorithmfortheerrorofsystem．Thenitproposestheimprovedlocalizationalgorithmbasedon

6、theRSSI—COR-DISmodel．Thealgorithmissuitableforcomplexenvironment．Intheory,thealgorithmcanbebuiltinfireenvironmentwell．Inordertoimprovethesystem，thepaperdiscusseseffectsontheplacedpositionofactualroutingnodeandtheBnknownnode．Thepreliminaryconclusioncangetgoodpositioningeffe

7、ctinsomecircumstances．Inaddition，inordertorealize3Dpositioning，thepaperdesignsasimplemethodtomeasuretherelativeheight．Themethodisnotonlysimple，butaccurateforthemeasurementofthree—dimensionalpositioning．Finally,inordertorealizereal—timemonitorofthefireman’Spositioninthefire

8、environment．Thepaperdesignsthereal—timemonitoringsoftware．TheIll基于ZigBee技术的消防员定位系统研字己与实现s