一种高精度多通道实时数据采集系统设计  

Design of High Precision Multi-channel Real-time Data Acquisition System

作　　者：韩宾[1] 易志强 江虹[1] 张秋云[1] 曾润 HAN Bin;YI Zhi-qiang;JIANG Hong;ZHANG Qiu-yun;ZENG Run(School of Information Engineering,Southwest University of Science and Technology,Mianyang 621010,China)

机构地区：[1]西南科技大学信息工程学院

出　　处：《仪表技术与传感器》2019年第9期42-45,共4页Instrument Technique and Sensor

基　　金：国家自然科学基金项目(61601383)

摘　　要：设计了一种高精度多通道实时数据采集系统,该系统通过采用FPGA+STM32架构作为数据处理和控制核心,实现了采样频率可调的16通道高精度数据的实时处理采集功能,满足了精密产品所需的多通道、高精度和实时性等数据采集功能。经多次试验测试表明,该方案具有精度高、速率可变、实时性强、采样误差小、成本低等特点。In this paper,a high-precision multi-channel real-time data acquisition system was designed.By using the architecture of FPGA+STM32 as the data processing and control core,the real-time processing and acquisition function of 16-channel high-precision data with adjustable sampling frequency was realized meeting the multi-channel,high-precision and real-time data acquisition functions required by precision products.The test results show that the scheme has the characteristics of high accuracy,variable speed,strong real-time,small sampling error and low cost.

关 键 词：FPGA AD7609 实时采集 多通道 乒乓缓存 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]