基于Matlab温室模糊控制的自动施肥策略研究  

Research on Automatic Fertilization Strategy Based on Matlab Greenhouse Fuzzy Control

作　　者：周亮亮[1] 张国青[1] 程立艳[1] 汪甜甜[1] ZHOU Liangliang;ZHANG Guoqing;CHENG Liyan;WANG Tiantian(College of Mechanical and Electrical Engineering, Chizhou University, Chizhou Anhui 247000,China)

机构地区：[1]池州学院机电工程学院,安徽池州247000

出　　处：《佳木斯大学学报（自然科学版）》2021年第2期58-62,共5页Journal of Jiamusi University：Natural Science Edition

基　　金：安徽省教育厅自然重点项目(KJ2017A576);池州学院自然科学研究项目(2016ZR007);安徽省教育厅高校优秀青年人才支持计划重点项目(gxyqZD2017086)。

摘　　要：随着人工智能和物联网技术的进步,我国温室农业逐渐向精准自动化农业发展。本文针对温室作物生长所需的水和养分作为控制对象,设计了一套利用PLC和上位机控制的温室自动灌溉施肥装置,以施肥回路中电导率值作为控制目标,由于系统的延迟和惯性大等特点,无法建立起电导率和电磁阀开通时间之间的函数关系,特采用模糊控制策略。利用Matlab中模糊控制器建立输入输出模糊控制规则,计算出电导率模糊控制表,并在simlink中建立仿真模型图,仿真结果显示控制有效平稳。With the development of artificial intelligence and technology.Chinese greenhouse agriculture is gradually developing towards precision and automated agriculture.This paper takes the water and nutrients needed for the growth of greenhouse crops as the control object,and designs a set of greenhouse automatic irrigation and fertilization system controlled by PLC and host computer.Taking the conductivity value in the fertilizing loop as the control target,due to the characteristics of the system's delay and large inertia,the functional relationship between the conductivity and the opening time of the solenoid valve cannot be established,so fuzzy control is adopted.Use fuzzy controller in Matlab to establish input and output fuzzy control rules,calculate conductivity fuzzy control table,and establish a simulation model diagram in simlink.The simulation results show that the control is effective and stable.

关 键 词：PLC 自动灌溉施肥 MATLAB 模糊控制 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]