科技报告详细信息
Creating an EPICS Based Test Stand Development System for a BPM Digitizer of the Linac Coherent Light Source
关键词: BEAM POSITION;    CONTROL SYSTEMS;    DIGITIZERS;    ELECTRON BEAMS;    LIGHT SOURCES;    LINEAR ACCELERATORS;    MONITORING;    MONITORS;    PHYSICS;    RESOLUTION;    STANFORD LINEAR ACCELERATOR CENTER;    WAVE FORMS Other;   
DOI  :  10.2172/1017219
RP-ID  :  SLAC-TN-11-010
PID  :  OSTI ID: 1017219
Others  :  TRN: US1103331
学科分类:核物理和高能物理
美国|英语
来源: SciTech Connect
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【 摘 要 】
The Linac Coherent Light Source (LCLS) is required to deliver a high quality electron beam for producing coherent X-rays. As a result, high resolution beam position monitoring is required. The Beam Position Monitor (BPM) digitizer acquires analog signals from the beam line and digitizes them to obtain beam position data. Although Matlab is currently being used to test the BPM digitizer?s functions and capability, the Controls Department at SLAC prefers to use Experimental Physics and Industrial Control Systems (EPICS). This paper discusses the transition of providing similar as well as enhanced functionalities, than those offered by Matlab, to test the digitizer. Altogether, the improved test stand development system can perform mathematical and statistical calculations with the waveform signals acquired from the digitizer and compute the fast Fourier transform (FFT) of the signals. Finally, logging of meaningful data into files has been added.
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