基于LabVIEW的噪声数据采集系统  

Noise Data Acquisition System Based on LabVIEW

作　　者：邓召文 余伟 秦德阳 金家琛 DENG Zhaowen;YU Wei;QIN Deyang;JIN Jiachen(Hubei Key Laboratory of Automotive Power Train and Electronic Control,College of Automotive Engineering,Hubei University of Automotive Technology,Shiyan 442002,China)

机构地区：[1]汽车动力传动与电子控制湖北省重点实验室,湖北汽车工业学院汽车工程学院,湖北十堰442002

出　　处：《拖拉机与农用运输车》2020年第5期39-42,共4页Tractor & Farm Transporter

基　　金：国家自然基金项目(51375151);湖北省科技支撑计划项目(2015BAA046);湖北省教育厅重点项目(D20171801);湖北省重点实验室资助项目(ZDK1201402);省重点实验室创新基金项目(2015XTZX0423)。

摘　　要：以声级计和PC机为硬件基础,利用声级计的串口通信功能,基于labVIEW实现噪声数据采集系统开发。借助串口调试助手完成系统调试和随机信号测量,将其应用到FSAE赛车排气噪声测试并实现系统验证。该系统运行稳定、操作简单,扩展性较好,可实现噪声信号瞬态与最大值的提取功能,并具有噪声信号的实时采集、显示、存储和回放等功能。On the basis of sound level meter and PC,the development of noise data acquisition system was realized based on labVIEW by using the serial communication function of sound level meter.The system debugging and random signal measurement were completed with the help of serial debugging assistant,and the system verification was achieved by using the FSAE racing exhaust noise test.The transient and maximum of noise signals can be extracted using this system,and the function of real-time data acquisition,display,storage and playback of noise signals can be realized.The system has stable operation,simple operation and good expansibility.

关 键 词：LABVIEW 噪声检测 数据采集 串口通信 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]