CSRm束流累积阶段闭轨校正系统设计

李维凯; 张玮; 殷达钰; 安石

doi:10.11884/HPLPB201931.180368

CSRm束流累积阶段闭轨校正系统设计

doi: 10.11884/HPLPB201931.180368

李维凯^{1, 2,},
张玮^1, ,,
殷达钰¹,
安石¹

1.
中国科学院近代物理研究所, 兰州 730000
2.
中国科学院大学核科学与技术学院, 北京 100049

基金项目:

国家实验室HIRFL运行维护改造项目 Y9HIRLL100

详细信息

作者简介:
李维凯(1990-)，男，硕士，从事加速器控制的研究；liweikai@impcas.ac.cn

通讯作者:
张玮(1972-)，男，研究员，从事加速器控制的研究；impzw@impcas.ac.cn

中图分类号: TL503.6
计量
- 文章访问数: 829
- HTML全文浏览量: 202
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- 被引次数: 0
出版历程
- 收稿日期: 2018-12-18
- 修回日期: 2019-02-24
- 刊出日期: 2019-03-15

Design of closed orbit correction system for beam accumulation stage of CSRm

Li Weikai^{1, 2
,},
Zhang Wei^{1
, ,},
Yin Dayu¹,
An Shi¹

1.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2.
School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 为测量兰州重离子加速器冷却储存环主环(CSRm)束流累积阶段的闭轨畸变并进行闭轨校正，开发了闭轨校正系统，该系统由轨道测量系统、闭轨控制系统和校正磁铁系统构成。轨道测量系统实现对束流轨道的实时监测；闭轨控制系统读取束流轨道信息，然后进行闭轨校正计算，并将计算后的校正值传输给校正磁铁系统；校正磁铁系统通过改变校正电源的值，改变校正磁铁的强度，实现对束流轨道的调整，完成闭轨校正。模拟测试结果表明，束流轨道水平方向的最大畸变由校正前的3.37 mm减小为校正后的0.39 mm，垂直方向的最大畸变由校正前的4.21 mm减小为校正后的0.31 mm。该系统能够实现响应矩阵的自动测量和束流轨道的自动校正，满足设计要求。
- CSRm /
- 闭轨畸变 /
- 闭轨校正 /
- 响应矩阵
Abstract: To measure the closed orbit distortion of the beam in Lanzhou Heavy Ion accelerator Cooling Storage Ring main ring (CSRm) and perform closed orbit correction, the authors have developed a closed orbit correction system. It consists of an orbit measure system, a closed orbit control system and a corrector magnet system. The orbit measure system realizes real-time monitoring of the beam orbit; the closed orbit control system reads the orbit information, performs the closed orbit correction calculation, and transmits the calculated correction value to the corrector magnet system; the corrector magnet system changes the intensity of the corrector magnet by changing the settings of the corrector power supply, thereby realizing the adjustment of the beam orbit. The simulation test show that the maximum distortion in the horizontal direction is reduced from 3.37 mm to 0.39 mm, and the maximum distortion in the vertical direction is reduced from 4.21 mm to 0.31 mm. The system can measure the response matrix and correct the beam orbit automatically. It meets the design requirements.
- CSRm /
- closed orbit distortion /
- closed orbit correction /
- response matrix

HTML全文

图 1 CSRm闭轨校正系统硬件结构

Figure 1. Hardware structure of COC system for CSRm

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图 2 CSRm闭轨校正系统软件结构

Figure 2. Software structure of COC system for CSRm

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图 3 响应矩阵测量程序流程图

Figure 3. Flow chart of response matrix measurement program

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图 4 闭轨反馈程序流程图

Figure 4. Flow chart of closed orbit feedback program

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图 5 X方向校正前后闭轨状态

Figure 5. Closed orbit status in X direction before and after correction

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图 6 Y方向校正前后闭轨状态

Figure 6. Closed orbit status in Y direction before and after correction

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图 7 X方向轨道畸变均方根变化

Figure 7. Change of RMS of the COD in X direction

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图 8 Y方向轨道畸变均方根变化

Figure 8. Change of RMS of the COD in Y direction

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图 9 三次校正前后X方向闭轨状态

Figure 9. Closed orbit status in X direction before and after three times of correction

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参考文献(10)

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