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논문 기본 정보

자료유형
학술저널
저자정보
Li Min (Chinese Academy of Sciences) Xiao Guoqing (Chinese Academy of Sciences) Mao Ruishi (Chinese Academy of Sciences) Zhao Tiecheng (Chinese Academy of Sciences) Yuan Youjin (Chinese Academy of Sciences) Li Weilong (Chinese Academy of Sciences) Zhou Kai (Chinese Academy of Sciences) Kang Xincai (Chinese Academy of Sciences) Li Peng (Chinese Academy of Sciences) Li Juan (Chinese Academy of Sciences)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제55권 제4호
발행연도
2023.4
수록면
1,332 - 1,341 (10page)
DOI
10.1016/j.net.2022.12.026

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Beam position measurement system can not only provide the beam position monitoring, but also be used for global orbit correction to reduce beam loss risk and maximize acceptance. The Beam Position Monitors (BPM) are installed along the synchrotron to acquire beam position with the front-end electronics and data acquisition system (DAQ). To realize high precision orbit measurement in the main heavy ion synchrotron and cooling storage ring of heavy-ion research facility in Lanzhou (HIRFL-CSRm), a series of alignment and calibration work has been implemented on the BPM and its DAQ system. This paper analyzed the tests performed in the laboratory as well as with beam based on the developed algorithms and hardware. Several filtering algorithms were designed and implemented on the acquired BPM raw data, then the beam position and resolution were calculated and analyzed. The results show that the position precision was significantly improved from more than 100 μm to about 50 μm by implementing the new designed filtering algorithm. According to the analyzation of the measurement results and upcoming physical requirements, further upgrade scheme for the BPM DAQ system of CSRm based on field programmable gate array (FPGA) technology was proposed and discussed.

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