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华北科技学院毕业设计（外文翻译）第1页共13页DesignandimplementationofindoorenvironmentfirealarmsystembasedonWirelessSensorNetworkAuthor:XiuWenFu,WenfengLi,LinYangAsanewnetworktechnology,wirelesssensornetworks(WSN)arewidelyusedinvariousemergencyeventsbecauseoftheirstronglocalcooperativesensingandtheabilitytointerpretdatafromtheenvironment.Inthispaper,weproposeafirealarmsystemcalledfirealarmingsystemindoorenvironment(fasie),whichinnovativelyintegrateswirelessfirealarmnetworkwithhandfireextinguishingrescuesupportsystem.Unliketraditionalwirelesssensornetworksthatimplementfirenetworks,thefasieisabletofireintofire,includingfirealarms,providingfullrangeofservices,firerescuingandFirefighterpositioning.InordertoexplainFaheybetter,wefirstgiveageneraldescriptionoffasieandintroducethearchitectureofthesystem.Then,thehardwareandsystemperformanceareintroduced.Keywords:WirelessSensorNetworks(WSN),indoorenvironment,firealarmsystem,handheldfirerescuesupportsystem1IntroductionWiththenewmanufacturingandintegrationtechnology,reducethecost,thesizeofthewirelesssensor,wehavewitnessedanotherrevolution,isconducivetothecontrolandobservationofourlifeandthephysicalworld,asthenetworktechnologytodo,microsensorsconnectedtoeachindividualandorganizationdeeplyembeddedintothephysicalenvironmentofinformationexchangenetworkwecanobservewiththeenvironmentandinaloyal,previouslynotreal-timehuman-computerinteraction.Asoneofthemostinfluentialaspectsoffireprotectionapplications,publicsafetyactivitieshavealsoachievedsignificantbenefitsintheemergenceofwirelesssensornetworksandtheirfurtherdevelopmentin[2].Inthispaper,weproposeawirelessfirealarmsystemfirealarmsystemforindoorenvironment(fasie)themaincontributionistheintroductionofthewirelessnetworkandhandheldfirealarmfirerescuefirealarmandrescuesupportsystemtoprovidecomprehensivetechnicalsupport.Therestofthisarticleisorganizedasfollows.Section51.2describesthestate-of-the-artofexistingfirealarmsystems.Inthe51.3section,fasieisintroducedfromthepointofviewofsystemcompositionandfunction.The51.4sectiondescribesthefasielayeredarchitecture.The51.5sectionintroducesthekeyhardwareoffasie.The51.6partanalyzestheperformanceoffasie.Finally,conclusionsandfutureworkarepresentedinsect.51.7.2relatedworkBecausewirelesssensornetworkshavegreatpotentialinthefieldoffireprotection,manyfireprotectionsystemshavebeendevelopedbasedonWSN.Butinmostcases,theonlypurposeofthenetworkistoobtainenvironmentaldata,whicharecollectedanddisplayedinabasestation,storedinadatabase,orsenttoaremotelocation[3,4].Here,severalrepresentativeproposalsdifferfromthetraditionalparadigmasfollows:(1)CFFDRS[5]isaforestfirethathasbeenextensivelyimplementedintheUnitedStatesandnewzealand.Themaincomponentofthesystemisthefireweatherindex(FWD),基于无线传感器网络的室内环境火灾报警系统的设计与实现第2页共13页andthisindexisthekeymeteorologicalelementthroughthefire,suchastemperature,evaluationofrelativehumidity,windspeedandprecipitation.TheacquisitionofCFFDRSinformationreliesonwirelesssensornodesdeployedinthousandsofforestedareas.TheCFFDRSmonitoringnetworkcollectsvariousinformation(e.g.,temperature,windspeed,andhumidity).Thebasestationofthemonitoringnetworkprovidesenvironmentalinformationdirectlytotheremoteserver.(2)scier[6]isacomprehensivesystemforthedetection,monitoringandpredictionofnaturaldisasters.Scier'stargetapplicationsareurbanandruralareas.Theuniquecomponentinscieristhelocalalarmcontrolunit,usedtocontrolthewirelesssensornetwork(WSN)andisresponsiblefortheearlydetection,locationandsubsequentfirealarmfunctionofthefire.Scierdevelopswirelesssensornodesintwodifferenturbanandruralareas:citizens,masters,publicsensors,sensors.Thecitizensoftheowners,sensors,andsensorsofpublicownership,sensors,andinstallationsaredifferent,dependingontheirapplicationscenarios.(3)Eidos[7]isacomprehensivesystemincludingalarm,firealarmandrescue.Themaincomponentofthesystemisanetworkcomposedofthousandsofsensornodes,deployedinthefieldofunmannedaerialvehicles(UAV).Anotherkeyelementofthesystemisthehandhelddevicethatfirefighterscarry.Thenetworkisresponsibleformonitoringthemonitoringareaandsendingenvironmentalinformationtoremoteservers.Handhelddevicesareintegratedwithlightweightbrowsersthathaveaccesstoremotedatabasesordatacenters.Insummary,althoughthesystemhasexperiencedsignificantimprovementcomparedwiththetraditionalcases,mostofthemonlyfocusontherealizationofsingleprofessionalfirealarmnetworkorfirerescuesupportnetwork,resultingininabilitytoundertakemorecomplextasks.Toacertainextent,theydowastealotofresources.Therefore,thefasieaimstoprovidemorecomprehensiveservicesforfireprotectionactivities,includingfiremonitoring,firefighting,rescueandfirepersonnelpositioning.3systemintroductionThefasiesystemconsistsoftwocomponentapplicationarchitectures:awirelessfirealarmnetworkandahandheldfirerescuesupportsystem.Wirelessfirealarmnetworksaredeployedbyhundredsofwirelesssensornodesinbuildingsandotherapplicationscenarios.Sincewirelesssensornodeshavespecializedapplicationsinfirescenarios,eachnodeisencapsulatedinfireprotectionpackage.WithWSNforestmonitoring,themainapplica