| 基于SoCFPGA同步数据采集系统的设计 |
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| 引用本文： | 杨志芳,胡梦蝶,陈 珏,王 磊. 基于SoCFPGA同步数据采集系统的设计[J]. 武汉工程大学学报, 2016, 38(6): 588-593 |
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| 作者姓名： | 杨志芳 胡梦蝶 陈 珏 王 磊 |
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| 作者单位： | 武汉工程大学电气信息学院，湖北 武汉 430205 |
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| 摘 要： | 为实现电能质量分析系统多通道数据同步采集的功能，设计一种基于SoCFPGA的同步数据采集系统，采用Altera?SoCFPGA为核心硬件平台，结合ADS8364模数转换芯片构建了6通道数据同步采集系统. 首先， 采用软硬件协同设计方法，使用VHDL对AD转换控制过程的逻辑进行描述，然后利用FFT核进行数据处理，对测试数据的幅频特性进行显示，为后续的谐波分析做准备. 仿真结果表明:SoCFPGA实现了对ADS8364的控制以及512点FFT运算. 系统使得数据采集硬件结构更加简单，集成化程度更高，缩短了系统开发周期，能够满足数据同步采集的实际需求.
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| 关 键 词： | 同步数据采集 SoCFPGA ADS8364 软件仿真 |
Design of Synchronous Data Acquisition System Based on SoCFPGA |
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| YANG Zhifang,HU Mengdie,CHEN Jue,WANG Lei. Design of Synchronous Data Acquisition System Based on SoCFPGA[J]. Journal of Wuhan Institute of Chemical Technology, 2016, 38(6): 588-593 |
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| Authors: | YANG Zhifang HU Mengdie CHEN Jue WANG Lei |
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| Affiliation: | School of Electrical and Information Engineering， Wuhan Institute of Technology， Wuhan 430205， Chin a |
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| Abstract: | To meet the requirements of multi-channel data acquisition in power quality analysis system， we designed a synchronous data acquisition system based on SoCFPGA， taking Altera SoCFPGA as the core of the hardware platform and combining with the analog-digital conversion chip ADS8364 to build the 6 channels synchronous data acquisition system. Firstly， we employed both software and hardware for co-design， and described the logic of the AD conversion control process in VHDL， and then the data were processed by FFT core and the amplitude-frequency characteristics of them were displayed， which prepared for the following harmonic analysis. The simulation results indicate that SoCFPGA is able to well control the ADS8364 and 512-point FFT operation. The system makes the data acquisition hardware structure simpler and the degree of integration higher， which shortens the system development cycle， meeting the needs of data synchronous acquisition in practice. |
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| Keywords: | synchronous data acquisition SoCFPGA ADS8364 software simulation |
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