基于LabVIEW的超声波测速系统  

The Ultrasonic Velocity Measurement System Based on LabVIEW

作　　者：王咏宁[1] 李自清[1] WANG Yongning;LI Ziqing(College of Physical and Electronic Information Engineering ,Qinghai Nationalities University ,Xining 810007,China)

机构地区：[1]青海民族大学物理与电子信息工程学院,青海西宁810007

出　　处：《软件工程》2017年第6期35-37,共3页Software Engineering

基　　金：青海民族大学本科教学研究项目:基于虚拟仪器技术的<微机原理与接口技术>课程学生创新能力培养研究与实践(2016-BKJXZD-02)

摘　　要：利用单片机和超声波传感器可以方便准确的实现非接触距离测量,系统以STC89C52为核,选用HCSR04超声波模块进行超声波发送和接收,采用时差法测距,结合LabVIEW强大的数据采集、测量分析和存储显示等功能,可以实现对测量过程的实时记录存储和显示,还可根据用户需求选定测速区间,设定超限报警等功能,可以有效实现短距离、中低速环境下距离和速度的数字化测量,提高了测量效率和精度。The single-chip microcomputer and the ultrasonic sensor can be applied to accurately implement the noncontact distance measurement.Based on STC89C52,the system uses the hc-sr04module to transmit and receive ultrasonic waves.By measuring the distance through the time-difference method and combining LabVIEW's powerful functions of data acquisition,measurement analysis and storage display,the real-time recording,storing and displaying of the measurement process are achieved.Additionally,the system can select the velocity measurement area according to users'requirements and set the over-limit alarm,which can effectively achieve the digital measurement in the short distance and low speed environment,and improve the measurement efficiency and accuracy.

关 键 词：LABVIEW 超声波 单片机 测速 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]