Continuous and Real-Time Data Acquisition Embedded System for EAST

被引：17

作者：

Li, S. ^{[1
]}

Luo, Jiarong R. ^{[2
]}

Wu, Yichun C. ^{[3
]}

Li, Guiming M. ^{[1
]}

Wang, Feng ^{[1
]}

Wang, Yong ^{[1
]}

机构：

[1] Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China

[2] DongHua Univ, Dept Phys, Shanghai 200051, Peoples R China

[3] Zhangzhou Normal Univ, Coll Phys & Informat Engn, Zhangzhou 363000, Fujian, Peoples R China

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2010年 / 57卷 / 02期

关键词：

Data acquisition; embedded system; real-time; Tokamak;

D O I：

10.1109/TNS.2010.2041251

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Experimental Advanced Superconducting Tokamak (EAST) is planned to run 1000 s plasma discharges in the near future. In this steady-state operation, the data acquisition system (DAS) will be required to continuously acquire diagnostic signals, transfer diagnostic data from the digitizer front-end to the data servers in order that the data is retrieved by the experimenters in real-time. Another disadvantage is that current data acquisition systems consist of many devices which are connected through various cables to provide the requested functionality. A study has been launched to identify the limitation of the present acquisition system with respect to long pulse operation. During the study, a new data acquisition system based on Field programmable gate array (FPGA) and Advanced RISC Machines (ARM) technologies has been developed in order to realise the continuous data acquisition and real-time data transmission during a long-pulse discharge. This device offers a flexible, portable, multi-channels, continuous simultaneous signal acquisition, with programmable gain and isolation amplifiers. This paper will describe the new data acquisition device in detail.

引用

页码：696 / 699

页数：4

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