自动变量施肥控制系统设计

《自动变量施肥控制系统设计》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、吉林农业大学本科毕业设计论文题目：自动变量施肥控制系统设计学生姓名：王兆龙专业年级：电子信息科学与技术系2004级1204331指导教师：黄东岩职称讲师2008年6月3日3目录题目·································································································································II摘要及关键字····································································

2、·············································II1前言····························································································································11.1研究的目的和意义·································································································11.2变量施肥及其必要

3、性·····························································································11.3变量施肥主要支撑技术·························································································21.4变量施肥技术国内外研究现状·············································································61.4

4、.1国外研究现状······································································································61.4.2国内研究现状及存在问题··················································································81.5本文技术路线及研究内容·······································································

5、··············92自动变量施肥控制系统设计与实现·······································································112.1系统要求················································································································112.1.1系统输入输出信号·························································

6、····································112.1.2系统通信·············································································································112.2系统设计················································································································112.2.1控制方案·······

7、······································································································1132.2.2系统结构·············································································································122.3系统