基于星型拓扑网络结构的无线数据采集系统
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摘要
针对现行数据采集系统在多点分布测试中布线复杂、成本高的问题,设计一种采用无线通信技术进行组网的数据采集系统。该系统采用星型拓扑网络结构,主节点基于上位机Lab VIEW平台搭建,从节点采用STM32微控制处理器构建;主从节点之间通过无线通信单元进行指令传输与数据交换;此外,作为从节点的数据采集模块可脱离主节点上位机独立完成数据采集工作。试验结果表明,该系统工作稳定,可完成1 km内多点分布测试任务。
In order to solve the problem of complicated routing and high cost in the multipoint distribution test of current data acquisition system,design a modular data acquisition system using wireless communication technology for networking. The system uses a star network topology structure,the master node is built that based on Lab VIEW platform on PC,slave node is constructed from STM32 micro control processor. Command and data exchange between the master nodes and slave nodes by wireless communication unit;in addition,the data acquisition module slave node can independently finish the work of data acquisition without the master node on PC. The experimental results show that the system is stable and can be used in the multipoint distribution test within 1km.
In order to solve the problem of complicated routing and high cost in the multipoint distribution test of current data acquisition system,design a modular data acquisition system using wireless communication technology for networking. The system uses a star network topology structure,the master node is built that based on Lab VIEW platform on PC,slave node is constructed from STM32 micro control processor. Command and data exchange between the master nodes and slave nodes by wireless communication unit;in addition,the data acquisition module slave node can independently finish the work of data acquisition without the master node on PC. The experimental results show that the system is stable and can be used in the multipoint distribution test within 1km.
引文
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[3]李瑶.基于LabVIEW和MSP430的分布式数据采集系统[J].自动化与仪器仪表,2017(3):127-130.
[4]何谐.一种多传感器数据采集与通信实验平台的设计[J].工业控制计算机,2016,29(6):65-67.
[5]唐敏.基于ZigBee无线传感器网络数据采集系统设计与开发[J].电脑知识与技术,2015,11(14):42-44.
[6]洪万帆,苏淑靖.基于无线传感器网络的数据采集系统[J].电子器件,2016,39(1):180-185.
[7]孙倩华,孔振民.STM32的瞬态运动参数存储测试系统设计[J].单片机与嵌入式系统应用,2015(11):66-68,72.
[8]李立煌,张志杰.基于STM32的无线瞬态温度测试系统[J].仪表技术与传感器,2014(3):96-97,100.
[9]卢晓伟.微波雷达地面测试系统的研制[D].哈尔滨市:哈尔滨工业大学,2013.
[10]杨莹,周晓旭.基于WiFi的分布式无线数据采集系统[J].电子测量技术,2016,39(11):122-125.
[11]刘秀,刘吉.多通道同步数据采集的大当量爆炸场参数光电测试系统[J].兵器装备工程学报,2017,38(1):130-133.
[12]刘振华.基于NRF24L01的无线数据采集系统设计[J].山西科技,2016,31(6):104-109.
[13]邵焕杰,夏静.基于STM32和LabVIEW的发射动力学参数采集系统设计[J].电子设计工程,2017,25(2):185-189.
[14]邵焕杰.便携式发射动力学参数测试系统设计方法研究[D].南京市:南京理工大学,2016.
[15]黄丰磊,卢海.基于STM32和LabVIEW的电参数测量系统设计[J].电器与能效管理技术,2014,15:37-39.
[16]雷振山.LabVIEW高级编程与虚拟仪器工程应用[M].北京:中国铁道出版社,2013.