Abstract：In view of the problems such as high labor intensity, low precision, and insufficient intelligence in irrigation control mode of soilless culture in China, a remote irrigation control system was designed for soilless culture in this paper. The single chip microcomputer MSP430 is the core of detection and control, and performs the drive control of irrigation components, and combines with corresponding sensors to acquire monitoring parameters of nutrient solution in real time. The upper computer software was designed based on Qt programming to monitor the irrigation status of crops. The software has a number of functions, for example, setting of monitoring values, selection of irrigation modes, real-time display of monitoring parameters, data storage and query of historical data and so on. GPRS wireless transmission technology was used for synchronous data communication between the upper and lower computers. Back propagation(BP)neural network was applied to the regulation of conductivity(EC)and pH values of nutrient solution. The monitoring value regulating experiments showed that the system could realize remote stable monitoring and control, the regulation errors in EC and pH values were no more than 0.11 mS/cm and 0.08, respectively.
王佳明,陈思,荆腾,王颢,贺照明*. 无土栽培远程灌溉控制系统[J]. 排灌机械工程学报, 2020, 38(9): 959-965.
WANG Jiaming,CHEN Si,JING Teng,WANG Hao,HE Zhaoming*. Remote irrigation control system for soilless culture. Journal of Drainage and Irrigation Machinery Engin, 2020, 38(9): 959-965.