Center pivot irrigation systems usually apply a relatively uniform amount of water to fields that are often inherently variable, which could lead to significant waste of water and energy. To address this issue, our te...Center pivot irrigation systems usually apply a relatively uniform amount of water to fields that are often inherently variable, which could lead to significant waste of water and energy. To address this issue, our team is now developing an Intelligent Center Pivot (ICP) by integrating sensor-based irrigation scheduling with variable rate irrigation technology. However, before this technology can be applied in commercial production, it is necessary to educate growers about its practicality and potential benefits. The objective of this study was to develop a portable tabletop intelligent center pivot model (ICPDemo) to demonstrate and promote adoption of the ICP technology. This paper describes an ICPDemo constructed in 2014, including the design specifications, electro-mechanical design, control strategy, and performance. The ICPDemo has performed according to design specifications and is successfully being used to demonstrate the benefits and effectiveness of ICP technology for irrigation scheduling.展开更多
养殖环境水质参数采集的智能化与信息化是保障养殖安全、提高养殖质量的关键技术之一,本文设计了一款适于水质参数监测的无线传感器网络节点及其网络系统。节点以MSP430F149为处理器,n RF905射频芯片及其外围电路为无线通信模块,BQ2057...养殖环境水质参数采集的智能化与信息化是保障养殖安全、提高养殖质量的关键技术之一,本文设计了一款适于水质参数监测的无线传感器网络节点及其网络系统。节点以MSP430F149为处理器,n RF905射频芯片及其外围电路为无线通信模块,BQ2057W充电管理芯片及其外围电路为太阳能充电模块,DOG-96DS溶解氧电极和PHG-96FS p H电极及其信号调理电路为传感器模块,并以该节点为硬件平台编写了通信协议、应用程序和数据监控中心软件,测试了节点功耗、通信距离以及锂电池充电时间。实验结果表明,该系统可实现水质参数的实时监测、实时显示和数据预警,具有远程数据管理功能。展开更多
文摘Center pivot irrigation systems usually apply a relatively uniform amount of water to fields that are often inherently variable, which could lead to significant waste of water and energy. To address this issue, our team is now developing an Intelligent Center Pivot (ICP) by integrating sensor-based irrigation scheduling with variable rate irrigation technology. However, before this technology can be applied in commercial production, it is necessary to educate growers about its practicality and potential benefits. The objective of this study was to develop a portable tabletop intelligent center pivot model (ICPDemo) to demonstrate and promote adoption of the ICP technology. This paper describes an ICPDemo constructed in 2014, including the design specifications, electro-mechanical design, control strategy, and performance. The ICPDemo has performed according to design specifications and is successfully being used to demonstrate the benefits and effectiveness of ICP technology for irrigation scheduling.
文摘养殖环境水质参数采集的智能化与信息化是保障养殖安全、提高养殖质量的关键技术之一,本文设计了一款适于水质参数监测的无线传感器网络节点及其网络系统。节点以MSP430F149为处理器,n RF905射频芯片及其外围电路为无线通信模块,BQ2057W充电管理芯片及其外围电路为太阳能充电模块,DOG-96DS溶解氧电极和PHG-96FS p H电极及其信号调理电路为传感器模块,并以该节点为硬件平台编写了通信协议、应用程序和数据监控中心软件,测试了节点功耗、通信距离以及锂电池充电时间。实验结果表明,该系统可实现水质参数的实时监测、实时显示和数据预警,具有远程数据管理功能。
