An intelligent decision support system for intelligent agricultural irrigation and fertilization
By combining a multilayer dielectric sensor array and an edge computing gateway, the water delivery volume of the irrigation system is dynamically adjusted, solving the calculation deviation and deep leakage problems caused by static root depth parameters, and realizing precise water and fertilizer control and efficient utilization.
CN122397451APending Publication Date: 2026-07-17CHONGQING ACAD OF AGRI SCI
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHONGQING ACAD OF AGRI SCI
- Filing Date
- 2026-04-27
- Publication Date
- 2026-07-17
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Figure CN122397451A_ABST
Abstract
本申请涉及水肥一体化控制技术领域，公开了一种智慧农业灌溉与施肥的智能决策支持系统，包括多层介电传感器阵列、变频水泵、脉冲宽度调制电磁阀组、主管路电磁流量计和边缘计算网关；所述边缘计算网关通过注入标定脉冲计算水盐锋面到达时间差，获取原位经验吸附阻滞因子；依据水分消耗速率梯度的峰值确立目标物理深度；结合该深度、阻滞因子及气象预测数据计算实际推水液量；系统执行推水动作，并实时监测处于目标物理深度的孔隙水电导率的时间导数，当该时间导数穿越零点时执行闭环截断。本发明修正了水肥分离带来的计算误差，动态匹配了活跃根系深度，防止了深层渗漏和养分淋溶现象。
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