Slow extraction control system of HIRFL-CSR

Liu Wufeng; Qiao Weimin; Yuan Youjin; Mao Ruishi; Zhao Tiecheng

doi:10.3788/HPLPB20132510.2667

Volume 25 Issue 10

Sep. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(10): 2667-2670

Rao Huanle, Liu Zhengkun, Liu Ying, et al. Cerium oxide polishing to improve uniformity of diffraction efficiencyof beam sampling grating[J]. High Power Laser and Particle Beams, 2013, 25: 1609-1610. doi: 10.3788/HPLPB20132507.1609

Citation:

Liu Wufeng, Qiao Weimin, Yuan Youjin, et al. Slow extraction control system of HIRFL-CSR[J]. High Power Laser and Particle Beams, 2013, 25: 2667-2670. doi: 10.3788/HPLPB20132510.2667

Citation:

Liu Wufeng, Qiao Weimin, Yuan Youjin, et al. Slow extraction control system of HIRFL-CSR[J]. High Power Laser and Particle Beams, 2013, 25: 2667-2670. doi: 10.3788/HPLPB20132510.2667

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Slow extraction control system of HIRFL-CSR

doi: 10.3788/HPLPB20132510.2667

1.
College of Electrical Engineering,He’nan University of Technology,Zhengzhou 450001,China;
2.
Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

Received Date: 2013-01-05
Rev Recd Date: 2013-03-22
Publish Date: 2013-09-22

Abstract

Abstract

For heavy-ion radiotherapy, HIRFL-CSR (Heavy Ion Research Facility in Lanzhou-Cooler Storage Ring) needs a long term uniform ion beam extraction from HIRFL-CSR main ring to high energy beam transport line to meet the requirement of heavy-ion radiotherapys ion beam. Slow extraction control system uses the synchronous signal of HIRFL-CSR control systems timing system to realize process control. When the synchronous event data of HIRFL-CSR control systems timing system trigger controlling and changing data (frequency value, tune value, voltage value), the waveform generator will generate waveform by frequency value, tune value and voltage value, and will amplify the generated waveform by power amplifier to electrostatic deflector to achieve RF-KO slow extraction. The synchronous event receiver of slow extraction system is designed by using FPGA and optical fiber interface to keep high transmission speed and anti-jamming. HIRFL-CSRs running for heavy-ion radiotherapy and ten thousand seconds long period slow extraction experiments show that slow extraction control system is workable and can meet the requirement of heavy-ion radiotherapys ion beam.
- slow extraction control system,
- virtual accelerator,
- accelerator control system,
- synchronous event

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