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《Electronic Technology》 2012-01
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Design of metal magnetic memory testing instrument based on DSP and CPLD

Zhang Yuanliang 1 Zhou Di 1 Gao Yan 1 Han Yanfeng 2(1.School of Mechanical Engineering,DaLian University of Technology 2.School of Mechanical Engineering and Automation,Beijing University of Aeronautics & Astronautics)  
In this paper,a high-performance metal magnetic memory testing instrument based on DSP and CPLD is designed to rapidly detect the flux leakage signal of ferromagnetic material and determine the material stress concentration zone.This article outlines the main circuit of magnetic memory detector and how it works,especially focuses on the design of the system hardware and software.Combining the rapid processing capability of DSP with the efficient logic control and timing coordination function of CPLD,the detection instrument ensures the system's quick signal sampling,high-speed data processing and real-time signal display.
【Fund】: 国家973计划课题 课题编号:2011CB013401
【CateGory Index】: TP216;TN911.23
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Chinese Journal Full-text Database 2 Hits
1 LUAN Ming,FAN Jian-Chun,ZHANG Lai-Bin,MA Juan,ZHENG Wen-Pei(College of Mechanical and Electronic Engineering,China University of Petroleum(Beijing),Beijing 102249,China);A New Signal Processing Method of Multi-Probe Metal Magnetic Memory Testing Instrument[J];Nondestructive Testing;2011-01
2 WANG Yan-bing,WANG Hong,YANG Shi-yuan,HAN Yu-jie(Department of Automation,Tsinghua University,Beijing 100084,China);Design of DSP Peripheral Controller Based on CPLD[J];Automation & Instrumentation;2011-08
Chinese Journal Full-text Database 1 Hits
1 Sun Zhenwei,Guan Jian(Traffic College of Northeast Forestry University,Harbin 150040);Teaching Training Station Design of Intelligent Light Control Based on CPLD[J];Forest Engineering;2011-03
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