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Position: Home > Articles > Research and Design of Grain Drying Distributed Controlling System Based on CAN Bus Journal of Agricultural Mechanization Research 2014 (5) 166-169

基于现场总线粮食干燥分布式控制系统的研究与设计

作  者:
姜重然;陈文平;李丽;白金泉;王宇春;徐建东
单  位:
佳木斯大学信息电子技术学院;佳木斯大学理学院
关键词:
CAN总线;粮食干燥;分布式;控制
摘  要:
根据目前粮食干燥控制系统存在的问题,提出了一种基于现场总线粮食干燥分布式控制系统。上位监控计算机采用EPCS-500嵌入式工控机,利用组态软件开发上位机界面,下位机采用带CAN总线的P83C591单片机作为各个智能测控节点,选用电容法对粮食含水率进行检测,利用单总线数字温度传感器芯片DS18B20测量干燥温度。研究设计表明,该分布式粮食干燥控制系统控制准确,控制参数和干燥工艺调整方便,线路少且维修方便,精度高且抗干扰能力强,价格低廉,能满足了粮食干燥实时测控的要求。
译  名:
Research and Design of Grain Drying Distributed Controlling System Based on CAN Bus
作  者:
Jiang Chongran;Cheng Wenping;Li Li;Bai Jinquan;Wang Yuchun;Xu Jiandong;School of Information and Electronic Technology,Jiamusi University;College of Science,Jiamusi University;
关键词:
CAN bus;;grain drying;;distributed;;control
摘  要:
A grain drying distributed controlling system based on CAN Bus is put forward according to the present dry controlling system. The upper computer adopted the EPCS- 500 embedded engineering machine,making full use of configuration software to develop the upper computer interface. While for the lower computer,the P83C591 SCM with CAN Bus is used as nodes of each intelligent controllers,detecting the grain moisture content with the use of the capacitance method and detecting the drying temperature with the use of the DS18B20 which is called the single bus digital temperature sensor chip. It has been proved that this distributed grain drying controlling system is accuracy controlled. It can conveniently adjust the control parameters and the drying technology. With the less lines,it can be mended conveniently. It has high accuracy and is strong enough to withstand the interference. With low price it can fulfill the demanding of real- time measurement.

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