基于ARM的雷电三维电场数据采集系统的设计  

Design of Lightning Three-dimensional Electric Field Data Acquisition System Based on ARM

作　　者：张自嘉[1,2] 张丽萍[1] 花晓蕾[1] 

机构地区：[1]南京信息工程大学信息与控制学院,江苏南京210044 [2]南京信息工程大学气象灾害预报预警与评估协同创新中心,江苏南京210044

出　　处：《仪表技术与传感器》2015年第3期47-49,103,共4页Instrument Technique and Sensor

基　　金：国家自然科学基金资助项目(61172029)

摘　　要：对雷电三维电场进行同步数据采集与分析,可以为研究不同方向的雷电电场对电气设备的影响以及研究不同地形对雷电结构的影响提供重要参考。设计了一种能够对雷电三维电场进行同步数据采集的系统,该系统主要包括传感器模块、信号采集模块、数据传输与存储模块、上位机软件设计等。利用3个通道A/D实现了对3路电场信号的采样,通过ARM11控制高速A/D转换和FIFO的读写,并且利用QT和SQLite数据库设计了上位机软件,完成了对采集数据的管理。The synchronous data acquisition and analysis of lightning three-dimensional electric field can provide an important reference in studying the influence of different direction of lightning electric field on electric equipment and in researching the influence of different terrain on lightning structure. An analytic system which can acquire the data of three-dimensional electric field synchronously was designed. It included sensor module,signal acquisition module,data transmission and storage module and software in PC. Three electric field signals were sampled via a 3- channel digital analog converter. The high speed A / D conversion and reading and writing of FIFO were controlled through ARM11. The software in PC based on QT and SQLite database was designed to manage the acquired data.

关 键 词：ARM11(s3c6410) 三维电场 数据采集 QT SQLITE 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]