基于ZYNQ的高速数据采集系统设计

Design of High-Speed Data Acquisition System Based on ZYNQ

针对电能质量检测领域对数据采集系统的高精度与实时性要求,在ZYNQ SoC上,设计一种基于ZYNQ-7000和AD7606的高速多通道数据采集系统。利用ZYNQ的FPGA部分实现系统的采集控制,ARM部分完成数据传输、存储和结果显示,采用AXI4高速通信,DMA-SG高速数据传输模式,DDR3高速存储实现对电压、电流信号的高速采集。实验结果表明,该系统的采集误差可以达到0.02%。

Aiming at the high precision and real-time requirements of the data acquisition system in the field of power quality detection,project design of a multi-channel data acquisition system based on ZYNQ-7000 and AD7606 is proposed.The FPGA part of ZYNQ is used to realize the collection and control of the system.The ARM part completes data transmission,storage and result display.System uses AXI4 high-speed communication,DMA-SG high-speed data transmission mode,and DDR3 high-speed storage to achieve high-speed acquisition of voltage and current signals.Experimental results show that the acquisition accuracy of the system can reach 0.02%.The system has the characteristics of small size,low power consumption,high accuracy,strong real-time performance and strong stability.