节水灌溉监控系统设计——基于WSN和模糊控制策略  

The Water-saving Irrigation Monitoring System——Based on WSN and Fuzzy Control Strategy

作　　者：蒋鼎国[1] 张宇林[2] 徐保国[3] 

机构地区：[1]淮阴工学院科技处,江苏淮安223003 [2]淮阴工学院电子与电气工程学院,江苏淮安223003 [3]江南大学信控学院,江苏无锡214122

出　　处：《农机化研究》2012年第2期167-171,共5页Journal of Agricultural Mechanization Research

基　　金：国家科技部"863"专项资助项目(2007AA10Z241);国家自然科学基金项目(30971689);淮安市科技支撑计划项目(SN1045;HAG09052);淮阴工学院科研基金项目(HGB1010)

摘　　要：针对农田灌区范围广、数据量大和实时传输难的特点,设计了一种基于无线传感器网络的农田自动节水灌溉系统;综合运用无线传感器智能信息处理技术和无线数据通信技术,全面提升系统的自动化与监测水平。该系统采用星型拓扑结构组网,通过在监测区域部署ZigBee网络节点,将监测数据汇集到嵌入式测控系统,实现统一的数据管理和网络路由监测功能;以微处理器芯片为核心控制器件,由无线传感器网络节点实时采集和处理土壤温湿度数据,并将其发送到接收端,在接收端对数据进行存储和显示,实时监测土壤温湿变化,实现节水灌溉的自动化控制及水资源的高效利用。试验证明,该系统稳定性好,数据传输可靠性高,通过增加数据采集频率,减少了数据丢包率,使用灵活,适用于不便直接连线的一般监测场合应用。A design of agricultural auto water-saving irrigation systems based on wireless sensor networks is proposed aiming at the characteristics of a wide range of irrigation district,a large amount of data and hard real-time transmission.In order to enhance the level of system automation and monitoring,the system is designed comprehensively applying intelligent information processing technology and wireless data communication technology of wireless sensor.The system uses a star topology structure by deploying ZigBee network nodes within the monitored region and the monitored data is converged to the embedded control system to achieve a unified data management and network routing monitoring.To realize the automatic control of water-saving irrigation and high efficiency utilization of water resources,the system is designed by using a microprocessor chip as the core control device and using the wireless sensor network nodes to collect and process real-time soil temperature and humidity data,which is send to the receiver and is stored and displayed at the receive end to monitor real-time the changes of soil temperature and humidity.The test results have shown that this system has the properties of high stability,high reliability of data transmission,and reducing the packet loss rate by increasing the frequency of data collection,which are suitable for the general monitoring occasions inconvenience to the direct connection.

关 键 词：节水灌溉 无线传感器网络 模糊控制策略 监控 

分 类 号：S274[农业科学—农业水土工程] S126[农业科学—农业工程]