| 变量施药机的恒压变量控制系统设计及算法 |
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| 引用本文： | 黄胜,朱瑞祥,王艳芳,刘伟.变量施药机的恒压变量控制系统设计及算法[J].农机化研究,2011,33(2). |
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| 作者姓名： | 黄胜 朱瑞祥 王艳芳 刘伟 |
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| 作者单位： | 西北农林科技大学,机械与电子工程学院,陕西,杨凌,712100 |
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| 基金项目： | "十一五"国家科技支撑计划重大项目 |
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| 摘 要： | 针对施药机施药量和施药质量不能满足农艺要求的问题,在建立系统总管道药液压力PID控制模型和施药量模糊控制模型的基础上,采用AT89S52单片机设计了变量施药机的恒压变量控制系统,并研究了其控制算法.利用MATLAB对系统模型进行仿真,结果表明:药液压力PID控制的响应时间为0.85s,施药量模糊控制的响应时间为1.04s,两者的稳态误差均在±3%之内,该控制系统可用于施药机恒压变量控制.
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| 关 键 词： | 变量施药机 控制系统 单片机 控制算法 |
Design and Algorithm of Constant Pressure and Variable Flow Control System of Variable Pesticide Application Machine |
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| Huang Sheng,Zhu Ruixiang,Wang Yanfang,Liu Wei.Design and Algorithm of Constant Pressure and Variable Flow Control System of Variable Pesticide Application Machine[J].Journal of Agricultural Mechanization Research,2011,33(2). |
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| Authors: | Huang Sheng Zhu Ruixiang Wang Yanfang Liu Wei |
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| Institution: | Huang Sheng,Zhu Ruixiang,Wang Yanfang,Liu Wei(College of Mechanical and Electronic Engineering,Northwest A & F University,Yangling 712100,China) |
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| Abstract: | Aiming at the problems that the spraying volume and spraying quality of variable pesticide application machine can not meet the agricultural requirement,a constant pressure and variable flow control system of variable pesticide application machine was designed by using AT89S52 SCM.The control system was based on the establishment of the PID control model of the pesticide pressure and the fuzzy control model of spraying volume,and its control algorithm was researched.The models were simulated with MATLAB pla... |
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| Keywords: | variable pesticide application machine controlling system microcomputers control algorithm |
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