Fuzzy Control on the Performance of Hose-reel Sprinkler Irrigation System
2022
GUO Yijian | ZHU Xingye | CHEN Shengyuan | LIU Junping | LI Wei
【Objective】 Improving the performance of irrigation systems is critical to improving their operation and water use efficiency. The aim of this paper is to present a new control method. 【Method】 The intelligent control was based on the hose-reel irrigators system. It was realized by the fuzzy control theory and method, with soil moisture deviation and its temporal change taken as the input variables and the sprayer cart traction speed as the output. Fuzzy value of the traction speed was obtained by fuzzy-processing the two input-variables. It then underwent a clear-processing to obtain the real traction speed for operating the irrigation system by passing it to the driving motor. 【Result】 When soil moisture deviation and its temporal change were large, the traction speed of the sprayer cart was slow in order to increase the irrigation amount. In contrast, decrease in soil moisture deviation and its temporal change accelerated the traction speed of the sprayer cart to reduce the irrigation intensity. 【Conclusion】 Based on soil moisture deviation and its temporal change, the proposed control system can change the traction speed of the hose-reel irrigators to adjust irrigation intensity, achieving precision irrigation.
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