Electron-beam position monitoring and feedback control in Duke Free-Electron Laser Facility

被引：3

作者：

Moallem, M ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Elect & Comp Engn, London, ON N6A 5B9, Canada

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2002年 / 49卷 / 02期

关键词：

attenuation; data acquisition; distributed computing; feedback systems; free-electron lasers; stability;

D O I：

10.1109/41.993276

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper addresses data acquisition and feedback control of electron-beam positions in the Duke University Free-Electron Laser Facility. The control system consists of a distributed system of VME-based hardware and processors connected through a network to host workstations. The host workstations provide graphical data presentation to the user and are also used for high-level supervisory control. The electron-beam profile is controlled by electromagnetic forces generated by passing currents through the coils of correction magnets distributed around the ring. A desired control objective is to move the stored electron beam to specific locations in the vacuum chamber and to stabilize the orbit in the presence of disturbances. The technical details of implementing the data acquisition and control scheme and their integration with the existing control system modules are presented along with experimental results.

引用

页码：423 / 432

页数：10

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[No title captured]

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