马铃薯稳定供种智能测控系统
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摘要
针对气力式马铃薯播种机在高速作业时,因供种稳定性差,严重影响播种器的吸种和携种,从而导致播种质量不佳的问题,设计了一种基于STM32单片机,集信号采集、人机交互、自动控制于一体的马铃薯稳定供种智能测控系统。该系统采用前馈-反馈综合控制方法实现了播种器种箱内料位高度的动态稳定,实验结果表明该方法比单一闭环PID控制系统具有更好的控制效果。
In order to solve the problem of poor seeding quality caused by the unstabitily of the pneumatic potato seeder in high-speed operation, which seriously affects the seed suction and carrying of the seeder, an intelligent measurement and control system for stable potato seed supply based on STM32 SCM is designed, which integrates signal acquisition, human-computer interaction and automatic control. The feedforward-feedback integrated control method is used to realize the dynamic stability of the material level in the seeder box. The experimental results show that the method has better control effect than the single closed-loop PID control system.
In order to solve the problem of poor seeding quality caused by the unstabitily of the pneumatic potato seeder in high-speed operation, which seriously affects the seed suction and carrying of the seeder, an intelligent measurement and control system for stable potato seed supply based on STM32 SCM is designed, which integrates signal acquisition, human-computer interaction and automatic control. The feedforward-feedback integrated control method is used to realize the dynamic stability of the material level in the seeder box. The experimental results show that the method has better control effect than the single closed-loop PID control system.
引文
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[2] 尹海燕.国内外气力式播种器发展研究[J].农业科技与装备,2013(8):19-20.
[3] 吕金庆,衣淑娟,陶桂香,等.马铃薯气力精量播种机设计与试验[J].农业工程学报,2018,34(10):16-24.
[4] 李志曈.光电检测传感器阵列在运动物体检测中的应用[J].电子世界,2012(13):89-90.
[5] 张秋艳,张俊霞,周晓荣.一种低功耗高精度多功能智能称重器设计[J].机械与电子,2018,36(11):38-41.
[6] 盛君,刘锏泽,张仰成,等.可靠性步进电机细分驱动技术研究[J].中国新技术新产品,2018(22):69-70.
[7] 曹东.马铃薯精密播种机漏播监测预警系统的研究[D].咸阳:西北农林科技大学,2013.
[8] 孙秀丽,王培培.前馈-反馈控制系统的具体分析及其MATLAB/Simulink仿真[J].中国集成电路,2013,22(9):54-58.
[9] 李小倩,梁志鹏,黄富磊.基于PID的单容水箱液位控制系统仿真[J].中国新技术新产品,2017(1):16-17.