EAST電場(chǎng)實(shí)時(shí)采集與處理系統

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EAST電場(chǎng)實(shí)時(shí)采集與處理系統
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作者單位:(中國科學(xué)院等離子體物理研究所,合肥 230031)
作者簡(jiǎn)介:馬騰飛(1990-),男,安徽合肥人,碩士研究生,主要從事計算機控制與數據采集方向的研究。[FQ)]
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基金項目:國家磁約束核聚變能發(fā)展研究專(zhuān)項(2014GB103000)；中國科學(xué)院等離子體物理研究所科學(xué)基金(Y35ETY130B)。

Electric Field Real-time Acquisition and Processing System for EAST

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(Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China)

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摘要:

EAST是國家大科學(xué)工程實(shí)驗裝置,在實(shí)驗放電過(guò)程中,其周?chē)兄?zhù)非常復雜的電場(chǎng)環(huán)境;為了在放電期間達到實(shí)時(shí)監控周?chē)妶?chǎng)的要求,進(jìn)而設計了電場(chǎng)實(shí)時(shí)測量系統;該系統在實(shí)驗過(guò)程中,檢測瞬態(tài)電場(chǎng)的分布及其強度,為電磁兼容(EMC)的設計提供實(shí)時(shí)的數據分析;其硬件架構主要包含單極子電場(chǎng)探頭,光電隔離設備,RAID磁盤(pán)陣列以及PXI平臺,軟件主要使用LabVIEW對FPGA進(jìn)行軟件編程,對數據進(jìn)行實(shí)時(shí)的采集和處理;經(jīng)過(guò)測試,目前該系統可實(shí)現單個(gè)通道,50 MHz/s采樣率的數據采集以及四通道12.5 MHz/s的同步數據采集,滿(mǎn)足了對高頻模擬信號進(jìn)行多通道實(shí)時(shí)數據采集、處理和存儲要求。

Abstract:

The experimental advanced superconducting Tokamak(EAST) is the national large scientific experiment device. The electromagnetic environment around the EAST is very complex during plasma discharge experiment. In order to fully monitor the changes of electric field around the EAST device during plasma discharge, a real-time electric field measurement system has been designed. During plasma discharge, this system measures the transient electric field distribution and strength to provide real-time data analysis for the electromagnetic compatibility (EMC) design. The hardware architecture consists mainly of a monopole electric field probe, photoelectric isolation device, RAID disk array and PXI platform. The system uses the LabVIEW to program on the FPGA for the real-time data acquisition and processing. By testing, it can realize one analog channel, 50 MHz/s sampling rate and make synchronous data acquisition with four analog channels, up to 12.5 MHz/s sampling rate, which is able to meet the demand of acquiring, processing and storing the real-time data in the high-frequency analog signals multi-channel mode.

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馬騰飛,季振山,王勇,張祖超,朱崇銘. EAST電場(chǎng)實(shí)時(shí)采集與處理系統計算機測量與控制[J].,2016,24(2):255-257.

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收稿日期:2015-08-27
最后修改日期:2015-09-25
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在線(xiàn)發(fā)布日期: 2016-07-27
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