首页> 外文会议>2008 IEEE international conference on information and automation (ICIA 2008) >The Data Acquisition and Processing of Lower Hybrid Wave Phase Based on FPGA and QNX Neutrino RealTime Operation System
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The Data Acquisition and Processing of Lower Hybrid Wave Phase Based on FPGA and QNX Neutrino RealTime Operation System

机译:基于FPGA和QNX中微子实时操作系统的下混合波相位数据采集与处理。

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The Experimental Advanced Superconduct Tokamak(EAST)has been constructed to study advanced tokamak plasma physics in steady-state.As one of the non- inductive plasma current drive systems,lower hybrid current drive(LHCD)system(2.45GHz,2MW now)has been applied for long-pulse operation which lasts up to 1000s.A feedback control subsystem for the antenna phase difference(FCSAPD)is designed for EAST LHCD experiments.This paper presents the new structure of this subsystem including the phase data acquisition(pDAQ)device and some processing and executing components.Meanwhile,the corresponding computer software was developed under QNX Neutrino realtime operation system(RTOS).Some initial tests from this subsystem indicate its reliability and security.
机译:构造了实验高级超导托卡马克(EAST)来研究稳态下的高级托卡马克等离子体物理场。作为无感等离子体电流驱动系统之一,下混合电流驱动(LHCD)系统(目前为2.45GHz,现在有2MW)应用于长达1000s的长脉冲操作。为EAST LHCD实验设计了一个天线相位差反馈控制子系统(FCSAPD)。本文介绍了该子系统的新结构,包括相位数据采集(pDAQ)装置。同时,在QNX Neutrino实时操作系统(RTOS)下开发了相应的计算机软件。来自该子系统的一些初步测试表明其可靠性和安全性。

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