上海光源X射线针孔相机控制系统设计  

X-ray pinhole camera control system design for SSRF storage ring

作　　者：黄国庆[1] 陈杰[1] 陈之初[1] 冷用斌[1] 叶恺容[1] 

机构地区：[1]中国科学院上海应用物理研究所,上海201800

出　　处：《核技术》2011年第9期641-645,共5页Nuclear Techniques

摘　　要：采用美国NI公司的PXI-7344运动控制卡对衰减片进行控制;通过RS232协议控制小孔四维移动平台和相机二维移动平台的运动,实现对小孔位置、倾角和相机位置的调节;NI公司的PXI-8252板卡用于1394相机的图像采集。所有控制功能均有机地集成于LabVIEW界面中,实现各部件的协调配合运动,并通过EPICS Shared Memory IOCcore技术实现与上海光源控制系统的无缝连接。2009年8月开始的长时间在线运行证明该控制系统稳定可靠,可在线实时测量数十μm束团横向截面尺寸,实现nm弧度发射度测量。Beam emittance is an important parameter for a third-generation synchrotron light source. In this paper, we report design of the control system of the X-ray pinhole camera to measure emittance of SSRF. The PXI-7344 controls the attenuator motion, the PXI-8252 collects the X-ray image by IEEE1394, and the RS232 controls four-dimensional motion of the pinhole and two-dimensional motion of the camera. The software was developed on LabVIEW platform to communicate with the accelerator control system via EPICS Shared Memory IOC core interface. Since August 2009, the X-ray pinhole camera system has been working reliably in measuring the beam emittance of just 3.9 nm.rad.

关 键 词：上海光源 X射线针孔相机 EPICS LABVIEW 

分 类 号：TL506[核科学技术—核技术及应用]