莆田市长张国胜今早跳楼自杀将召开紧急会议

江苏科技大学硕士学位论文大摘要论文题目基于STM32W智能环境监控系统的研制研究方向应用电子电路与系统学科、专业电子与通信工程研究生姓名王婷婷导师姓名仲伟波填表时间2013年3月18日摘要I摘要随着科技的发展，将信息技术应用到农业生产中已成为必然趋势。在农业生产中，影响农作物生长和产量的因素很多，如环境温度、湿度、光照强度等，及时调整与改善农作物在不同时期所需要的温室环境，进一步地提高农业的生产效率和质量。因此，研制智能温室监控系统，实现对温室信息的自动采集与控制，有效地满足了现代设施农业的基本要求。本文设计并实现了一种基于STM32W智能环境监控系统，该系统由智能监控节点、ZigBee-WiFi网关和上位机三个部分组成。系统的智能监控节点是由连接光强、温湿度及CO2浓度传感器的ZigBee模块组成，节点实时采集环境参数。采集到的环境参数通过无线传感器网络传到ZigBee-WiFi无线网关，通过网关转换将数据发送到无线WiFi网络中，上位机运行客户端程序接收、显示环境参数，并可对环境参数进行调控。ZigBee-WiFi网关实现了无线传感器网络和无线局域网的数据协议转换，网关既作为ZigBee网络的协调器，负责ZigBee网络的建立、节点分配、信息存储与传输；又作为无线WiFi的节点，负责与无线Internet网络的连接和数据的传输。本文首先介绍了智能温室监控系统的应用特性和总体设计思想，然后分别从系统的总体设计、硬件设计以及软件设计等方面进行详细介绍。系统设计中采用模块化的设计思想，方便了设计中的调试和修整。本文研制的温室监控系统是对ZigBee网络的有效补充和延伸，克服了传统有线温室环境监控系统的局限性，满足了温室无线数据的采集和网络化的需要，提升了农业生产信息化与自动化的水平。关键词温室监控；ZigBee技术；WiFi技术；无线网关江苏科技大学工程硕士学位论文IIAbstractIIIAbstractWiththedevelopmentofscienceandtechnology,applicationsofinformationtechnologyareincreasinglyusedinagriculturalproduction.Inagriculturalproduction,manyfactorsaffectcropgrowthandyield,suchastheenvironment,temperature,humidityandlightintensity,sotimelyadjustmentandimprovementofgreenhouseenvironmentisneededforcropsatdifferenttimes,tomakeagriculturalproductionmoreproductive,efficientandhigh-quality.Buildinganintelligentgreenhousemonitoringsystemforautomaticacquisitionandcontrolofgreenhouseinformation,canmeettherequirementsofmodernfacilityagriculture.AnintelligentenvironmentmonitoringsystembasedonSTM32Wisdesignedandimplementedinthispaper.Thesystemmonitoredismadeupofintelligentnodes,ZigBee-WiFigatewaysandhostcomputer.Intelligentmonitoringnodesofthesystemareconnectedwithlightintensitysensor,temperatureandhumiditysensor,andCO2concentrationsensor,whichcanachievereal-timeacquisitionofenvironmentalparameters.CollectedenvironmentalparametersaretransmittedintotheZigBee-WiFiwirelessgatewaybyZigBeenetworks,theenvironmentalparameterssenttothewirelessWiFinetthroughthegatewayconversion,thenreceivedanddisplayedbyhostcomputer.Also,theenvironmentalparameterscanbeadjusted.ZigBee-WiFigatewayenablestheconversionbetweenwirelesssensornetworksandwirelessLANprotocolpackets.AsaZigBeenetworkcoordinator,itisresponsiblefortheestablishmentoftheZigBeenetwork,nodesassignment,aswellasinformationstorageandtransmission.WhileAsawirelessWiFinode,itisresponsibleforthewirelessInternetconnectionanddatatransmission.Thisarticlefirstlyintroducesapplicationcharacteristicsandoveralldesignideasoftheintelligentmonitoringsystem,thendiscussesthesystemindetailseparatelyfromtheoverallsystemdesign,hardwaredesignandsoftwaredesign,aswellasotheraspects.What’smore,modulardesignideaisadoptedtomakedebuggingandadjustmentmoreconvenientduringthesystemdesignprocess.AstheeffectivesupplementandextensionoftheZigBeenetwork,thesystemovercomesthelimitationsoftraditionalwiredenvironmentmonitoringsystem,andmeetstheneedsofwirelessdatacollectionandnetworking,realizingtheinformatizationandautomatizationofagriculturalproduction.江苏科技大学工程硕士学位论文IVKeywordsGreenhousemonitoring;ZigBeetechnology;WiFitechnology;Wirelessgateway目录V目录摘要......................................................................................................................................IAbstract.................................................................................................................................III第1章绪论...........................................................................................................................11.1课题研究背景和国内外研究现状...........................................................................11.1.1课题研究背景.................................................................................................11.1.2国内外研究现状.............................................................................................21.2研究的目的和意义...................................................................................................31.3主要研究内容...........................................................................................................41.4本章小结...................................................................................................................5第2章智能环境监控系统的总体设计...............................................................................62.1系统总体设计方案...................................................................................................62.1.1硬件总体结构设计.........................................................................................62.1.2上位机软件设计.............................................................................................72.1.3环境监控系统特性.........................................................................................72.2ZigBee与WiFi无线通信技术.................................................................................82.2.1ZigBee技术.....................................................................................................82.2.2WiFi技术.........................................................................................................92.3主要芯片选型.........................................................................