合肥光源束流闭轨局部调整和校正
Local bump of beam closed orbit in Hefei Light Source
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摘要: 针对特定实验站调整光源点位置的要求，设计了合肥光源储存环束流闭轨局部调整和校正系统，介绍了该系统的工作原理、硬件组成、软件设计及运行结果，设计要求束流闭轨局部调整的最大幅度为1~2 mm，水平方向和垂直方向其余闭轨畸变均方根分别小于50和30 μm。校正系统采用轨道设定法作为束流闭轨局部调整和校正算法，由束流轨道测量系统、校正铁系统和控制系统组成。运行结果显示：水平和垂直方向分别调节2.0和1.5 mm，水平方向和垂直方向其余闭轨畸变均方根分别为45.14和27.62 μm。Abstract: The local bump of beam closed orbit is designed for some specific beamline in the Hefei Light Source. The design demands local orbit adjustment of 1~2 mm, horizontal and vertical closed orbit distortion outside the bump orbit less than 50 μm and 30 μm. In this paper, the local bump principle, hardware components, software design and the results are described. The local bump system adopts the orbit setting algorithm, and consists of the beam orbit measure system, the corrector magnet system and the control system. The main operation results of the system show that maximum values of horizontal and vertical local orbit adjustment are 2 mm and 1.5 mm respectively, horizontal and vertical closed orbit distortion outside bump orbit are less than 45.14 μm and 27.62 μm respectively.
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Key words:
- synchronous radiation light source /
- beam closed orbit /
- local bump /
- adjustment
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