摘要
介绍了一种基于ARM微处理器AT91RM9200和CAN总线技术的粮食仓储环境监测系统。该系统采用环境质量监测传感器对粮食仓储环境进行在线实时监测。给出了AT91RM9200微处理器与模数转换器AD7938以及CAN控制器SJA1000之间的硬件连接电路,阐述了系统数据通信的软件设计流程。与传统方式相比,该监测系统提高了测量效率,节省了人力,为粮仓的管理决策提供了科学依据。
An environmental monitoring system for grain storage based on ARM microprocessor AT91RM9200 and CAN bus is introduced.The grain storage environment is online real-time detected by using environmental quality monitoring sensors in this system.The hardware interface circuit between AT91RM9200 microprocessor, analog-to-digital converter AD7938 and CAN controller SJA1000 are presented.The software design flow of the system＇s data communication is discussed.Compared with traditional method, the monitoring system improves measuring efficiency and saves user efforts.It would be a scientific basis for management and decision of the granary.
出处
《微计算机信息》
2010年第8期124-125,116,共3页
Control & Automation
基金
河南省科技攻关计划项目
基金申请人:李秀娟
项目名称:基于虚拟多传感器信息融合的粮库综合监控管理系统(072102240005)
河南工业大学校科研基金项目(08XGG026)
