基于FPGA的PXI高速数据采集系统设计  

Design of PXI High-speed Data Acquisition System Based on FPGA

作　　者：黄志文[1] 邵平[1] 扈晓兰 

机构地区：[1]玉林师范学院物信系,广西玉林537000 [2]桂林通和公司技术部,广西桂林541001

出　　处：《化工自动化及仪表》2010年第5期60-63,共4页Control and Instruments in Chemical Industry

基　　金：玉林师范学院2009年度基于FPGA的测控系统研究课题(2009YJQN24);玉林师范学院2008年重点项目(2008YJZD06);广西教育厅2010年科研项目(200807MS125)

摘　　要：介绍一种基于FPGA的双通道PXI数据采集系统,系统选用了PXI总线接口芯片PCI9030来实现功能电路与PXI总线间的通讯;采用FPGA芯片对整个硬件系统的工作逻辑时序的控制;同时介绍了数据采集系统的信号调理、AD转换、FIFO等电路;最后介绍了硬件驱动程序设计。仿真及调试结果表明,信号采样实时性和高速数据传输性能均满足要求。A PXI two-channel data acquisition system based on FPGA was introduced.General PXI bus interface chip PCI9030 was selected to carry out the communication between the function circuit and the PXI bus.In the control circuit section,FPGA chip was used to carry out the logical timing control to the whole hardware system.The signal processing,AD conversion,FIFO circuit were introduced and the design of hardware driver was discussed.Both the simulation and experimental results show that the real-time sample and high-speed transfer of the system can meet the requests.

关 键 词：数据采集 FPGA PXI 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]