铁道科学与工程学报2016，Vol.13Issue(7)：1401-1406,6.
隧道空气动力学实车试验无线数据采集系统研发
Develop ment of wireless data acqu isition syste m in real vehicle passing through tunnels during Aerodynamic tests
摘要
Abstract
Tunnel wall pressure wave and tunnel micro pressure wave measurement have great significance to re-search and analysis when high speed train passes through.In order to overcome the shortcomings of traditional da-ta acquisition system wiring difficulties and the low degree of automation,a new data acquisition system was de-signed to realize automatic trigger,data wireless transmission and data storage function.It provides an easy meth-od for data wireless transmission under bad network environment and Low sampling rate of Traditional wireless data acquisition system.The hardware design of this system was completed,basing on the ARM7 processor cores LPC221 4 combining CC2530 development board.The corresponding software was also designed,based on em-bedded system kernel uC/OS -II and Zstack protocol stack.This system has the following features:battery pow-er supply,trigger automatically by ultrasonic sensor acquisition,control commands and data transmission by Zig-Bee wireless network,data gathering to store into center node and transmission to first machine via USB after test equipments taken back.Accordingly,the resources needed for the test were reduced.The present system provides a reference for wireless data acquisition system of high sampling rate of dad network environment.关键词
隧道压力波/测量/无线/ZigBee/ARMKey words
tunnel pressure wave/measurement/wireless/ZigBee/ARM分类
交通工程引用本文复制引用
张凤羽,成庶..隧道空气动力学实车试验无线数据采集系统研发[J].铁道科学与工程学报,2016,13(7):1401-1406,6.基金项目
国家自然科学基金资助项目 （）
