High-speed data acquisition and transmission system for low-energy X-ray industrial CT

doi:10.11772/j.issn.1001-9081.2014.11.3361

Journal of Computer Applications ›› 2014, Vol. 34 ›› Issue (11): 3361-3364.DOI: 10.11772/j.issn.1001-9081.2014.11.3361

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High-speed data acquisition and transmission system for low-energy X-ray industrial CT

YANG Lei¹, GAOFuqiang¹,²,LI Ling³,CHEN Yan⁴,LI Ren¹

1. Automation College, Chongqing University, Chongqing 400044, China;
2. Engineering Research Center of Industrial CT Non-destructive Testing, Ministry of Education(Chongqing University), Chongqing 400044, China;
3. Jiangsu Automation Research Institute, China Shipbuilding Industry Corporation, Lianyungang Jiangsu 222006, China;
4. Chongqing Zhence Science and Technology Company Limited, Chongqing 400044,China

Received:2014-05-26 Revised:2014-07-01 Online:2014-11-01 Published:2014-12-01
Contact: YANG Lei

高速低能X射线工业CT数据采集与传输

杨雷¹,高富强¹,²,李岭³,陈研⁴,栗忍¹

1. 重庆大学自动化学院,重庆 400044;
2. 工业CT无损检测教育部工程研究中心(重庆大学),重庆 400044;
3. 中国船舶重工集团公司江苏自动化研究所,江苏连云港 222006
4. 重庆真测科技股份有限公司,重庆 400044

通讯作者: 杨雷
作者简介:
杨雷(1990-),男,江苏泗洪人,硕士研究生,主要研究方向:自动化系统;高富强(1956-),男,广东佛山人,教授,主要研究方向:工业CT检测、模式识别、智能系统;李岭(1987-),男,江苏徐州人,硕士,主要研究方向:自动化系统;陈研(1980-),男,湖北天门人,博士,主要研究方向:射线探测;栗忍(1989-),女,山东枣庄人,硕士研究生,主要研究方向:自动化系统。
基金资助:
国家重大科学仪器设备开发专项;重庆市基础与前沿研究计划项目

Abstract

Abstract:

To meet the application demand of high speed scanning and massive data transmission in industrial Computed Tomography (CT) of low-energy X-ray, a system of high-speed data acquisition and transmission for low-energy X-ray industrial CT was designed. X-CARD 0.2-256G of DT company was selected as the detector. In order to accommodate the needs of high-speed analog to digital conversion, high-speed time division multiplexing circuit and ping-pong operation for the data cache were combined; a gigabit Ethernet design was conducted with Field Programmable Gate Array (FPGA) selected as the master chip,so as to meet the requirements of high-speed transmission of multi-channel data. The experimental result shows that the speed of data acquisition system reaches 1MHz, the transmission speed reaches 926Mb/s and the dynamic range is greater than 5000. The system can effectively shorten the scanning time of low energy X-ray detection, which can meet the requirements of data transmission of more channels.

摘要：

为满足低能X射线工业计算机断层(CT)扫描成像系统在快速扫描及大批量数据传输方面的应用需求,设计一种低能X射线工业CT高速数据采集与传输系统。系统选用DT公司X-CARD 0.2-256G为探测器,将高速时分复用电路与数据缓存乒乓操作相结合,以适应高速模数转换的需要;采用以现场可编程门阵列(FPGA)为主控芯片的千兆以太网设计,以满足多通道数据的高速传输要求。实验结果表明,系统数据采集速度达到1MHz,以太网传输速度达到926Mb/s,动态范围大于5000。该系统可有效缩短低能X射线探测扫描时间,可满足更多通道的数据传输要求。

CLC Number:

TP274.2

YANG Lei GAOFuqiang LI Ling CHEN Yan LI Ren. High-speed data acquisition and transmission system for low-energy X-ray industrial CT[J]. Journal of Computer Applications, 2014, 34(11): 3361-3364.

杨雷高富强李岭陈研栗忍. 高速低能X射线工业CT数据采集与传输[J]. 计算机应用, 2014, 34(11): 3361-3364.

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High-speed data acquisition and transmission system for low-energy X-ray industrial CT

高速低能X射线工业CT数据采集与传输

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