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1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文基于無線傳感器網(wǎng)絡(luò)的數(shù)據(jù)獲取系統(tǒng)研究姓名：范奎申請學(xué)位級別：碩士專業(yè)：模式識別與智能系統(tǒng)指導(dǎo)教師：宋良圖20100501摘要無線傳感器網(wǎng)絡(luò)是由大量具有感知能力、計(jì)算能力和通信能力的微小傳感器節(jié)點(diǎn)構(gòu)成的自組織、分布式網(wǎng)絡(luò)系統(tǒng)。通過GPRS終端將無線傳感器網(wǎng)絡(luò)獲取的數(shù)據(jù)傳輸?shù)竭h(yuǎn)程的上位機(jī)上，從而實(shí)現(xiàn)監(jiān)測現(xiàn)場數(shù)據(jù)的遠(yuǎn)程獲取。在安徽省農(nóng)業(yè)科技成果轉(zhuǎn)化資金項(xiàng)目一“農(nóng)業(yè)實(shí)時(shí)信息獲耿與數(shù)字化管理系統(tǒng)中試”(2007GB24910458)的支持下，本文圍繞基于無線傳感器網(wǎng)絡(luò)的遠(yuǎn)程數(shù)據(jù)獲取系統(tǒng)的設(shè)計(jì)進(jìn)行研究。本文主要做了以下幾
2、點(diǎn)工作：1．對基于無線傳感器網(wǎng)絡(luò)的數(shù)據(jù)獲取系統(tǒng)進(jìn)行硬件設(shè)計(jì)，詳細(xì)設(shè)計(jì)了系統(tǒng)的供電模塊，研究了電源的整流、濾波、以及抗干擾技術(shù)：設(shè)計(jì)了統(tǒng)一傳感器接口模塊，例如：標(biāo)準(zhǔn)電流轉(zhuǎn)電壓模塊，分析了電壓轉(zhuǎn)換精度等問題。2．簡單介紹了Zigbee協(xié)議棧，然后在此協(xié)議棧的基礎(chǔ)上針對項(xiàng)目實(shí)際需要進(jìn)行了的二次丌發(fā)，滿足項(xiàng)目需求。在本系統(tǒng)中，利用簇樹型網(wǎng)絡(luò)拓?fù)溆行У臄U(kuò)大了無線網(wǎng)絡(luò)的覆蓋面積，最終試用所丌發(fā)的二次系統(tǒng)軟件，應(yīng)用良好。3．設(shè)計(jì)了基于無線傳感器網(wǎng)絡(luò)的數(shù)據(jù)獲取平臺。通過該軟件平臺實(shí)現(xiàn)了對部署在監(jiān)測現(xiàn)場的無線傳感器網(wǎng)絡(luò)運(yùn)行情況的遠(yuǎn)程監(jiān)測，命令發(fā)送，數(shù)掘接
3、收、顯示和記錄，并提供了報(bào)警功能，將不在設(shè)定門限值范圍內(nèi)的傳感器數(shù)據(jù)作出記錄并給出相應(yīng)的報(bào)警提示，方便管理者及時(shí)作出相應(yīng)的決策。4．搭建出遠(yuǎn)程數(shù)據(jù)獲取平臺，并進(jìn)行實(shí)驗(yàn)，效果理想。關(guān)鍵詞：無線傳感器網(wǎng)絡(luò)ZigBee低功率電源設(shè)計(jì)AbstractTheWSNisaself-organizeddistributednetworksystemwhichiscomposedofamassoftinysensorsnodesthathasthesensationability．Thewirelesssensornetworknodewhichdep
4、loyedinfarmlandtransfersdatatOremotePCthroughGPRSterminal，wecanaccessdataofmonitoringfieldinthedistance．ThisresearchwassupportedbyAgriculturalScienceandTechnologyAchievementsTransformationFundProgramsofAnhuiProvinceundergrant2007GB24910458named“Pilottestonagriculturalrea
5、l-timeinformationacquisitionanddigitalmanagementsystem"．Thisarticleisstudyingdesignofremoterdataaccessplatformbasedonwirelesssensornetwork．Theconcreteworksarethefollowing：Wehavedesignedthehardwareofdataaccesssystembasedonwirelesssensornetwork．Itincludespowermodulesandint
6、erfacemodules．WehavestudiedthepowerEMI，filterandcommutatingtechnology．Wealsodesigntheuniforminterfaceofsensers．ForexampletheuniformcurrenttransfervoltagemoduleandanalysetheconverSionaccuracy，etc．WehaveintroducedtheZigbeeprotocolstack．AccordingtOtheactualneedsoftheproject
7、，wehavedonecustomizeddevelopmentbasedontheZigbeeprotocolstacktosuitablefortheprojectneeds．Inthissystem，wehaveusedtheclustertreetopologyoftheWSNnetworktoincreasecoveragearea．Throughrepeatedtesting。thesystermsoftwareapplicatesgood．DesignRemoterDataAccessPlatformbasedonWire
8、lessSensorNetwork．Throughthesoftwareplatform，wecanmonitortheopemtionofwirelesssensornetworksdeployedint
