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URLhttps://doi.org/10.18429/JACoW-ICALEPCS2025-TUPD058
TitleKEK electron/positron injector LINAC control system
Authors
  • M. Satoh, D. Wang, F. Miyahara, I. Satake, K. Furukawa, M. Sakamoto, T. Suwada
    High Energy Accelerator Research Organization
  • H. Saotome, T. Ohusa
    Kanto Information Service Co., Ltd.
  • K. Hisazumi, S. Kusano, Y. Mizukawa
    Mitsubishi Electric System & Service Co., Ltd
  • T. Kudou
    Mitsubishi Heavy Industries (Japan)
AbstractSince May 2019, the KEK electron/positron injector LINAC has successfully conducted simultaneous top-up injections into four independent storage rings and a positron damping ring. To ensure long-term stable beam operation under such a complex operational scheme, maintaining high availability of the entire control system is essential. The original LINAC control system, developed in the 1990s, was based on a proprietary in-house software framework utilizing Unix servers, VME bus systems, and PLCs. Its operator interface was implemented using the Tcl/Tk scripting language and supported approximately 3,500 control points. To improve development efficiency and enhance compatibility with other accelerator control systems, the LINAC control system has been progressively migrated from this legacy platform to an EPICS-based architecture. As a result, the system now supports approximately 200,000 control points. In addition, Linux-based hyper-converged servers, a PXI bus-based system, and in-house embedded frontends have also been implemented. In this paper, we provide a detailed overview of the current status of the KEK injector LINAC control system, along with prospects for its future development.
Paperdownload: TUPD058.pdf
CiteBibTeX, LaTeX, Text/Word, RIS, EndNote
Conference20th Int. Conf. Accel. Large Exp. Phys. Control Syst. (ICALEPCS'25)
Series
LocationChicago, IL, USA
Date20-26 Sep 2025
PublisherJACoW Publishing, Geneva, Switzerland
Editorial BoardKent Wootton (ANL), Jeffery Biss (FNAL), Gustavo Bruno (ANL), Jeff Kirchman (ANL), Kelly Jaje (ANL), Denise Skiadopoulos (ANL), SuYin Grass Wang (ANL)
Online ISBN978-3-95450-255-4
Online ISSN2226-0358
Received06 September 2025
Revised23 September 2025
Accepted29 October 2025
Issued25 November 2025
DOI10.18429/JACoW-ICALEPCS2025-TUPD058
Pages645-650