电子测试
電子測試
전자측시
ELECTRONIC TEST
2012年
8期
56-58,73
,共4页
徐菲%梁志剑%裴东兴%代月松
徐菲%樑誌劍%裴東興%代月鬆
서비%량지검%배동흥%대월송
多通道%数据采集%FPGA%LabVIEW
多通道%數據採集%FPGA%LabVIEW
다통도%수거채집%FPGA%LabVIEW
multi-channel%data acquisition%FPGA%LabVIEW
以FPGA为核心控制器,实现了多通道数据采集系统,系统主要由控制、信号调理、存储及输入输出4大部分构成。并利用LabVIEW完成了上位机软件的设计,采用生产者消费者循环结构编写采样读数代码,实现了采样读数、分通道、保存至硬盘的同步完成,将数据保存至TDMS二进制记录文件,事后可以回读数据并做相应的数据处理,包括滤波、平滑、频谱分析等。系统具有稳定性高、精度高等特点,人机交互界面友好直观、易于操作和维护。
以FPGA為覈心控製器,實現瞭多通道數據採集繫統,繫統主要由控製、信號調理、存儲及輸入輸齣4大部分構成。併利用LabVIEW完成瞭上位機軟件的設計,採用生產者消費者循環結構編寫採樣讀數代碼,實現瞭採樣讀數、分通道、保存至硬盤的同步完成,將數據保存至TDMS二進製記錄文件,事後可以迴讀數據併做相應的數據處理,包括濾波、平滑、頻譜分析等。繫統具有穩定性高、精度高等特點,人機交互界麵友好直觀、易于操作和維護。
이FPGA위핵심공제기,실현료다통도수거채집계통,계통주요유공제、신호조리、존저급수입수출4대부분구성。병이용LabVIEW완성료상위궤연건적설계,채용생산자소비자순배결구편사채양독수대마,실현료채양독수、분통도、보존지경반적동보완성,장수거보존지TDMS이진제기록문건,사후가이회독수거병주상응적수거처리,포괄려파、평활、빈보분석등。계통구유은정성고、정도고등특점,인궤교호계면우호직관、역우조작화유호。
It is based on FPGA,realized multi-channel data acquisition,which mainly consists of controller,signal conditioning unit,storage and I/O device.And complete the design of upper computer software using LabVIEW,which edit the code of sampling reading use the structure of producer-consumer,realize sampling reading,separating channels and storing data in synchronism,the data were stored in Technical Data Management Streaming.Later it can read and process data,including filtration,smoothing and spectrum analysis,etc.The system has the advantages of high stability and high precision,and has friendly and intuitively man-machine interface,which easy to operate and maintain.
