Upgrade of a kicker control system for the HIRFL

Wang, Yanyu; Zhou, Wen-xiong; Luo, Jin-Fu; Zhou, Dapeng; Zhang, Jianchuan; Ma, Xueli; Gao, Daqing; Shangguan, Jingbin

doi:10.1016/j.nima.2013.12.007

Cited by 5 publications

(2 citation statements)

References 2 publications

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“…As shown in Fig. 3, the entire process consists of seven steps: preparation, beam injection (from RIBLL1 to CSRm), beam accumulation, beam acceleration, beam storage, beam extraction and state recovery [5]. Each step is assigned an event code, which is used as a trigger flag to control the operation of corresponding devices at different steps.…”

Section: Experimental Conditionsmentioning

confidence: 99%

“…As is known, six power supplies are used to drive a kicker magnet for the extraction of beam bunches in the CSRm, and the other four power supplies are used to drive another kicker magnet for the injection of beam bunches into the CSRe. The distance between the two sets of kick power supplies is approximately 200 m, and the distance between the two sets of kicker magnets is approximately 120 m [5]. The flight time of the beam bunches must be taken into account at these distances when the discharge delay time is adjusted for both the CSRm and CSRe.…”

Section: Experimental Conditionsmentioning

confidence: 99%

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Beam transport experiment with a new kicker control system on the HIRFL

Wang¹,

Zhou²,

Luo³

et al. 2016

Chinese Phys. C

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The kicker control system was used for beam extraction and injection between two cooling storage rings (CSRs) at the Heavy Ion Research Facility in Lanzhou (HIRFL). To meet the requirements of special physics experiments, the kicker controller was upgraded. The new controller was designed based on ARM+DSP+FPGA technology and monolithic circuit architecture, which can achieve a precision time delay of 2.5 ns. In September 2014, the new kicker control system was installed in the kicker field, and the test experiment using the system was completed. In addition, a pre-trigger signal was provided by the controller, which was designed to synchronize the beam diagnostic system and physics experiments. Experimental results indicate that the phenomena of "missed kick" and "inefficient kick" were not observed, and the multichannel trigger signals' delay could be adjusted individually for kick power supplies in digitization; thus, the beam transport efficiency was improved compared with that of the original system. The fast extraction and injection experiment was successfully completed based on the new kicker control systems for HIRFL-CSR.

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Section: Experimental Conditionsmentioning

confidence: 99%

Section: Experimental Conditionsmentioning

confidence: 99%

Beam transport experiment with a new kicker control system on the HIRFL

Wang¹,

Zhou²,

Luo³

et al. 2016

Chinese Phys. C

View full text Add to dashboard Cite

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Upgraded control system designed for SECRAL

Wang

Zhou

et al. 2017

NUCL SCI TECH

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To improve the control efficiency of Superconducting Electron Cyclotron Resonance Ion source(SECRAL) for Heavy Ion Research Facility in Lanzhou(HIRFL), a upgrade version of control system for SECRAL is designed and set up. The control software package is developed by Visual C++, which is able to control and monitor all of the equipment for the SECRAL system about 130 parameters. The previous analog power supplies are replaced by four digital power units at High Voltage(HV) platform, The old slow speed of AC motors are upgraded to servo motors newly for higher precision, stability and linearity. Meanwhile, some control strategy and user interface are optimized. In order to prevent the incorrect operation which may cause the quench of the superconducting magnet, alarm and interlock protection functions are added to the software and hardware.Since the upgraded SECRAL control system is online, it has been running smoothly.

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