分布式无线数据采集系统的实现方法  

Implementation of Distributed Wireless Data Acquisition System

作　　者：李振华[1] 王志新[1] 张华强[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240

出　　处：《自动化仪表》2010年第5期73-75,78,共4页Process Automation Instrumentation

基　　金：中国博士后基金项目(编号:20080440088);上海市博士后基金项目(编号:08R214134);上海市科技发展基金项目(编号:09195802900);上海市教育发展基金项目(编号:09LM37;09LM30)

摘　　要：针对工控领域中数据采集具有分散性的特点,采用无线通信技术进行分布式数据采集。该系统采用星型拓扑结构的无线网络,在软件设计中移植了μC/OS-Ⅱ操作系统;主节点采用ARM微控制器构建,从节点采用C8051F330完成数据采集;同时,主节点通过nRF905无线模块与从节点进行数据交换。在测试中,系统工作稳定,数据传输安全可靠。结果表明,该系统满足分布式数据采集等工控领域的需要。Aiming at the decentralized feature of data acquisition in industrial control area,by adopting the technology of wireless communication,the distributed data acquisition system has been designed.In this system,the wireless network with star topologic structure is used,and in software design,the μC/OS-Ⅱ operating system is transplanted;the master node is built by using ARM micro-controller,while the slave nodes are composed of C8051F330 for data acquisition.The data exchange between master node and slave nodes is via nRF905 wireless module.In tests,the system is running stably,the data transmission is safety and reliable.The results show that this system meets the requirements of distributed data acquisition in industrial control area.

关 键 词：分布式数据采集 无线网络结构 星型拓扑 μC/OS-Ⅱ nRF905无线模块 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]