基于ARM和ZigBee的农作物生长环境监控系统的设计

Design of Crop Growing Environment Monitoring and Control System Based On ARM and ZIGBEE

为了实现农业生产过程的感知-决策-控制,开发了一套由ARM上位机和基于ZigBee的传感器/执行器网络构成的农作物生长环境监控系统。基于CC2530的ZigBee传感器/执行器网络能实时采集空气温湿度、土壤温湿度、光照强度、二氧化碳、水质或土壤的pH值等数据,并根据ARM上位机指令控制执行器状态来调节农作物生长环境参数。以S5PV210为控制核心、基于Linux、Qt和SQLite开发的ARM上位机系统能采用UART/SPI串口通信方式实现ARM与ZigBee协调器之间的数据传输,实时接收、处理、存储和管理来自传感器网络节点的数据,并定期将数据通过3G或局域网口上传给远程计算机中心。测试结果表明,所设计的系统能实现农作物生长环境参数的实时监测与控制,数据的动态分析、历史查询和异常报警等功能,且具有较好的稳定性和实用性。

The crop growth environment monitoring and control system consisted of host computer ARM and ZigBee wireless sensor and actuator network was developed in order to achieve the perception-decision-control of the agricultural production process.The ZigBee sensor and actuator network based on CC2530 is able to sample air temperature and humidity,soil temperature and moisture,light illumination intensity,carbon dioxide,water and soil pH,and water dissolved oxygen data,and adjust crop growth environment by means of actuators according to control command from ARM.ARM host computer system in which S5PV210 is used as control core and the corresponding monitoring software is programmed based on Linux,Qt and SQLite,can implement data transmission between ZigBee coordinator and ARM using UART/SPI serial communication,realize the processing,storage,and management of real-time data from sensor network nodes,and regularly send data to the remote computer center through 3G/LAN port.The test results show that the designed system can achieve the real-time monitoring and control of crop growing environment parameters and the data dynamic analysis,historical inquiry,and threshold warning,and the system has good stability and practicality.