高压脉冲调制器数据采集系统设计  

Design a data acquisition system for high-power pulse modulator

作　　者：刘永芳[1,2] 黄丽 LIU Yongfang;HUANG Li(Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院上海应用物理研究所,上海201800 [2]中国科学院大学,北京100049

出　　处：《自动化与仪器仪表》2019年第10期1-4,共4页Automation & Instrumentation

基　　金：国家自然科学基金面上项目(No.11675250)

摘　　要：脉冲调制器作为脉冲功率技术领域一种常用的脉冲电源,广泛应用于同步辐射光源,自由电子激光装置等粒子加速器微波功率源系统。随着粒子加速器技术的进一步发展,对脉冲调制器的稳定性要求越来越高。介绍了一种用于脉冲调制器稳定性测量的数据采集系统。该测量系统基于PCI-9826H数字化采集卡及LabVIEW编程实现,数据采集系统做到了采样率与分辨率的兼顾,实现了0.02%脉冲重复稳定性测量。文中阐述了测量系统的设计方法,并给出了实际测试结果。测试结果表明,该测量系统分辨率好,操作方便,运行可靠。Linear pulse modulator,as a common pulsed power supply,is widely used in linear accelerator microwave power source systems.With the development of high technology in synchrotron radiation source,free electron laser and other particle accelerator,the requirement of pulse modulator stability is more and more high.A data acquisition system for stability measurement of pulse modulator is introduced.The measurement system is based on a PCI data acquisition card(PCI-9826 H).LabVIEW is applied to design the upper computer software.Detailed design of hardware and software is presented.Meanwhile,relevant experiments are given,and the experimental result shows that this data acquisition system has achieved desired functions.

关 键 词：PCI 脉冲调制器 稳定性 数据采集 LABVIEW 混合编程 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]