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Purpose <p>This paper describes the design and implementation of the control system for the BEPCII upgrade project, which was undertaken to meet the enhanced performance requirements of the accelerator complex.</p> Methods <p>Based on the EPICS framework, the original control system—which had been operating reliably since 2005 but was considered obsolete in both hardware and software—was completely redesigned and rebuilt to support higher colliding beam currents, increased RF cavity voltages, and improved data acquisition efficiency.</p> Results <p>The new control system was completed and commissioned in November 2024 and is currently operating normally. It successfully supports the BEPCII upgrade goal of tripling the peak luminosity in the high-energy region.</p> Conclusion <p>The EPICS-based control system redesign effectively addresses the obsolescence of the original system and fulfills the new operational requirements, providing a reliable foundation for the upgraded performance of BEPCII.</p>

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Control system upgrade for the BEPCII upgrade project

  • 期刊论文

  • 发表日期：

    2026年1月13日

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  • Li Gang,
  • Lei Ge,
  • Liu Jia,
  • Li Jun-Gang,
  • Wang Jin-Can,
  • Le Qi,
  • Xu Guang-Lei,
  • Zhao Zhuo,
  • Ma Zhong-Hui,
  • Liu Yu,
  • Yue Zong-Yang,
  • Xie Nian,
  • Gao Wen-Chun,
  • Wu Xue-Hui,
  • Zhao Shu-Tao,
  • Jin Da-Peng

摘要

Purpose

This paper describes the design and implementation of the control system for the BEPCII upgrade project, which was undertaken to meet the enhanced performance requirements of the accelerator complex.

Methods

Based on the EPICS framework, the original control system—which had been operating reliably since 2005 but was considered obsolete in both hardware and software—was completely redesigned and rebuilt to support higher colliding beam currents, increased RF cavity voltages, and improved data acquisition efficiency.

Results

The new control system was completed and commissioned in November 2024 and is currently operating normally. It successfully supports the BEPCII upgrade goal of tripling the peak luminosity in the high-energy region.

Conclusion

The EPICS-based control system redesign effectively addresses the obsolescence of the original system and fulfills the new operational requirements, providing a reliable foundation for the upgraded performance of BEPCII.