Study on remote monitoring system for constant pressure farmland irrigation based on web technology
LI Haibo1,2, ZHAO Xiaofeng1,2, FU Chen1,2, LIU Changzhen1
1.School of Internet of Things Technology, Wuxi Institute of Commerce, Wuxi, Jiangsu 214153, China; 2.Engineering Techology Research and Development Center on Wireless Sensor System in Jiangsu, Wuxi, Jiangbu 214153, China
To solve the problems, such as electricity and water waste, poor automaticity and low efficiency of information management encountered in rural farmland irrigation, a set of remote monitoring system for constant pressure field irrigation are designed based on the communication, sensors, and control as well as internet technology. This system is composed of perception layer, network layer and application layer. In the perception layer, a star-type network is built through Zigbee wireless communication modules. The control of instruments in pump stations and the data collection of the environmental parameters of fields are realized by using PLC and MCU core nodes. In the application layer, a remote network monitoring software of field irrigation is developed by using Java language combined with JavaBean components in B/S mode and Ethernet communication technology with the aid of OPC server, which is called PC Access. This system has been applied in the irrigation of a standardization field in Taicang County. It is shown that the system can collect data accurately, and maintain a stable pressure level and exhibits a better ability to suppress disturbances. Furthermore, the system can operate smartly and reliably under in situ control and remote network control conditions to monitor the real irrigation states.
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