一种变量施肥技术的实现及其台架试验  

Design and Experiment of a Variable Rate Fertilization Control System

作　　者：刘阳春[1] 张小超[1] 伟利国[1] 李福超[1] 李卓立[1] 

机构地区：[1]中国农业机械化科学研究院土壤植物机器系统技术国家重点实验室,北京100083

出　　处：《农业机械学报》2010年第9期159-162,共4页Transactions of the Chinese Society for Agricultural Machinery

基　　金：国家"863"高技术研究发展计划资助项目(2006AA10A305);"十一五"国家科技支撑计划资助项目(2006BAD11A17)

摘　　要：采用单片机作为CPU,结合压力传感器、AD采集卡以及伺服电动机,设计了变量配肥施肥控制系统,同时设计了与硬件配套的上位机软件,用来采集数据与发送命令,台架试验表明,该系统能实现变量配肥施肥,且结构简单,施肥精度达到95%。The control technique of variable rate fertilization is introduced.Using single chip microcomputer as CPU,a control system of variable rate fertilization was designed,including force sensor,AD data acquisition system and servo-actuator.An assorted software was designed for selecting data and sending commands.Through test-bed experiment and analysis,the system can complete the control of variable rate fertilization,which has a simple structure,stable operation and high,fertilization precision up to 95%.

关 键 词：变量施肥 控制系统 台架试验 

分 类 号：S127[农业科学—农业基础科学]