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《基于物聯(lián)網(wǎng)技術(shù)的溫室集群環(huán)境監(jiān)控系統(tǒng)設(shè)計(jì)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、基于物聯(lián)網(wǎng)技術(shù)的溫室集群環(huán)境監(jiān)控系統(tǒng)設(shè)計(jì) 摘要:為了能夠?qū)崿F(xiàn)對(duì)溫室集群的智能控制,設(shè)計(jì)并實(shí)現(xiàn)了一種基于RS485總線搭配Modbus協(xié)議的溫室集群監(jiān)控系統(tǒng)。該系統(tǒng)由現(xiàn)場(chǎng)數(shù)據(jù)采集及控制部分、遠(yuǎn)程監(jiān)控中心監(jiān)控軟件部分和通信協(xié)議部分組成。利用在RS485總線上搭配Modbus協(xié)議實(shí)現(xiàn)監(jiān)控中心主機(jī)與各個(gè)溫室的微控制器通信。結(jié)合溫室環(huán)境控制的特點(diǎn),利用ZigBee技術(shù)組成無(wú)線數(shù)據(jù)采集網(wǎng)絡(luò),使用S3C6410處理器實(shí)現(xiàn)對(duì)繼電器的控制,利用BP神經(jīng)網(wǎng)絡(luò)PID控制算法,從而達(dá)到溫室環(huán)境的智能控制。使用Qt軟件設(shè)計(jì)人機(jī)交互界面,實(shí)現(xiàn)對(duì)溫室集群的遠(yuǎn)程控制。實(shí)驗(yàn)結(jié)果表明,該系統(tǒng)能夠正確采集溫室環(huán)
2、境的溫度、濕度和光照強(qiáng)度等參數(shù),并且能夠通過(guò)控制繼電器的動(dòng)作對(duì)各個(gè)溫室的環(huán)境參數(shù)進(jìn)行有效的控制?! £P(guān)鍵詞:溫室集群;ZigBee網(wǎng)絡(luò);Modbus協(xié)議;RS485總線;智能控制;Qt軟件 中圖分類號(hào):TN926?34;TP273文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1004?373X(2016)14?0049?04 DesignofgreenhouseenvironmentmonitoringsystembasedonInternetofThingstechnology ZHANGZiqian1,ZHONGWeisheng1,LIANGKai1,WANGNa2 ?。?.School
3、ofInformationEngineering,NanchangUniversity,Nanchang330031,China;2.ShanxiBranchofChina10TelecomCo.,Ltd.,Lüliang033000,China) Abstract:Inordertorealizetheintelligentcontrolofthegreenhousecluster,agreenhouseclustermonitoringsystembasedonRS485busandModbusprotocolwasdesignedandimplemented.Thes
4、ystemiscomposedofthefielddataacquisitionandcontrolpart,monitoringsoftwareofremotemonitoringcenter,andcommunicationprotocol.ThecommunicationbetweenthemonitoringcenterandtheindividualgreenhouseisrealizedbycollocationofRS485buswithModbusprotocol.Combinedwiththecharacteristicsofgreenhouseenviro
5、nmentcontrol,theZigBeetechnologyisadoptedtoconstituteawirelessdataacquisitionnetwork,S3C6410processorisusedtocontroltherelay,andBPneutralnetworkPIDcontrolalgorithmisutilizedtoachievetheintelligentcontrolofgreenhouseenvironment.TheQtsoftwareisusedtodesigntheman?machineinterfacetorealizethere
6、motecontrolofthegreenhousecluster.Theexperimentalresultsshowthatthesystemcancorrectlycollectthetemperature,humidityandlightintensityinthegreenhouse,andcaneffectivelycontroltheenvironmentalparametersofthegreenhousebycontrollingtheactionoftherelay. Keywords:greenhousecluster;ZigBeenetwork;Mo
7、dbusprotocol;RS485bus;intelligentcontrol;Qtsoftware10 隨著人們生活水平的提高,人們希望在一年里的每個(gè)時(shí)候都能夠品嘗到綠色新鮮的水果蔬菜,以日光溫室為主體的設(shè)施農(nóng)業(yè)應(yīng)運(yùn)而生。而溫室環(huán)境監(jiān)控系統(tǒng)是提高溫室作物產(chǎn)量、減少勞動(dòng)力成本的關(guān)鍵技術(shù),代表了溫室生產(chǎn)的核心競(jìng)爭(zhēng)力。隨著傳感器技術(shù)、計(jì)算機(jī)控制、網(wǎng)絡(luò)通信以及物聯(lián)網(wǎng)等技術(shù)的快速發(fā)展,融合了上述高新技術(shù)的智能監(jiān)控系統(tǒng)逐漸被應(yīng)用到溫室監(jiān)控領(lǐng)域[1?2]。傳統(tǒng)的大規(guī)模溫室集群的管理大多是對(duì)溫室環(huán)境單因素進(jìn)行監(jiān)測(cè)