Keyword: software
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MOP36 Novel Beam Excitation System Based on Software-Defined Radio betatron, acceleration, controls, FPGA 133
  • P.J. Niedermayer, R. Singh
    GSI, Darmstadt, Germany
  Funding: This project has received funding from the European Union’s Horizon 2020 Research and Innovation programme under GA No 101004730.
A signal generator for transverse excitation of stored particle beams is developed and commissioned at GSI SIS18. Thereby a novel approach using a software-defined radio system and the open-source GNU Radio ecosystem is taken. This allows for a low cost yet highly flexible setup for creating customizable and tuneable excitation spectra. Due to its open-source nature, it has the potential for long term maintainability and integrability into the accelerator environment. Furthermore, this opens up the possibility to easily share algorithms for the generation of waveforms across accelerator facilities. As a first application, the device is used to control the coherence and amplitude of transverse oscillations by excitation in the vicinity of betatron sidebands. It enables measurement of beam parameters like tune and chromaticity. On a longer term, it will be used for more complex tasks such as beam shaping, extraction and automated parameter scans towards these complex processes.
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP36  
About • Received ※ 31 August 2022 — Revised ※ 09 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 10 November 2022
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MOP38 Beam Profile Monitoring and Distributed Analysis Using the RabbitMQ Message Broker interface, network, controls, Ethernet 140
  • D. Proft, K. Desch, D. Elsner, F. Frommberger, S. Kronenberg, A. Spreitzer, M.T. Switka
    ELSA, Bonn, Germany
  The ELSA facility utilizes several digital cameras for beam profile measurements on luminous screens and synchrotron radiation monitors. Currently a multitude of devices with analog signal output are being replaced in favor of digital outputs, preferably with data transfer via Ethernet. The increased network traffic for streaming, analyzing, and distribution of processed data to control system and machine operators is managed through a supplementary camera network in which distributed computing is performed by the RabbitMQ message broker. This allows performant and platform-independent image acquisition from multiple cameras, real time profile analysis, and supports programming interfaces for C++ and Python. The setup and performance of the implementation are presented.  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP38  
About • Received ※ 07 September 2022 — Revised ※ 09 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 28 October 2022
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MOP40 Synchronous Data Service at the European Spallation Source EPICS, timing, controls, interface 148
  • R. Titmarsh
    STFC/RAL/ISIS, Chilton, Didcot, Oxon, United Kingdom
  • J.F. Esteban Müller, J.P.S. Martins
    ESS, Lund, Sweden
  The Synchronous Data Service (SDS) is a tool to monitor and capture events in the European Spallation Source, building on top of the EPICS control system. Large amounts of data from different input output controllers are acquired and synchronised at the level of beam pulses. The acquisition can be triggered by beam events though the timing system or manually by a user. Captured data is stored in standardised NeXus files and indexed in a database for easy searching and retrieval.  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP40  
About • Received ※ 07 September 2022 — Revised ※ 09 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 12 October 2022
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WEP34 Orbit Correction Upgrade at the Canadian Light Source hardware, diagnostics, electron, wiggler 485
  • T. Batten, M. Bree, J.M. Vogt
    CLS, Saskatoon, Saskatchewan, Canada
  The Canadian Light Source is a 3rd generation synchrotron that began user operations in 2005 and now supports 22 operational beamlines. The orbit correction system was upgraded in 2021 to improve machine reliability and performance. This upgrade has also increased the diagnostic capabilities and supports easy integration of new functionality, providing the foundation for future enhancements.  
poster icon Poster WEP34 [1.209 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-WEP34  
About • Received ※ 02 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 15 September 2022 — Issue date ※ 26 September 2022
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WEP38 Control System Suite for Beam Position Monitors at MAX IV controls, TANGO, storage-ring, feedback 496
  • Á. Freitas, V. Hardion, M. Lindberg, R. Lindvall, R. Svärd, C. Takahashi
    MAX IV Laboratory, Lund University, Lund, Sweden
  MAX IV is a fourth generation synchrotron facility at Lund, Sweden. It is composed by a full energy linear accelerator and two storage rings with 1.5 GeV and 3 GeV, which requires hundreds of beam position monitors. In this context, Libera Single Pass E and Libera Brilliance+ are employed as BPM instruments. This paper will present an overview of the control system suite used in the facility, including the communication, data acquisition and storage pipelines, monitoring, configuration and software maintainability.  
poster icon Poster WEP38 [4.895 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-WEP38  
About • Received ※ 07 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 25 October 2022
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WEP40 A Modern Ethernet Data Acquisition Architecture for Fermilab Beam Instrumentation Ethernet, instrumentation, network, data-acquisition 500
  • R.R. Santucci, J.S. Diamond, N. Eddy, A. Semenov, D.C. Voy
    Fermilab, Batavia, Illinois, USA
  The Fermilab Accelerator Division, Instrumentation Department is adopting an open-source framework to replace our embedded VME-based data acquisition systems. Utilizing an iterative methodology, we first moved to embedded Linux, removing the need for VxWorks. Next, we adopted Ethernet on each data acquisition module eliminating the need for the VME backplane in addition to communicating with a rack mount server. Development of DDCP (Distributed Data Communications Protocol), allowed for an abstraction between the firmware and software layers. Each data acquisition module was adapted to read out using 1GbE and aggregated at a switch which up linked to a 10GbE network. Current development includes scaling the system to aggregate more modules, to increase bandwidth to support multiple systems and to adopt MicroTCA as a crate technology. The architecture was utilized on various beamlines around the Fermilab complex including PIP2IT, FAST/IOTA and the Muon Delivery Ring. In summary, we were able to develop a data acquisition framework which incrementally replaces VxWorks & VME hardware as well as increases our total bandwidth to 10Gbit/s using off the shelf Ethernet technology.  
poster icon Poster WEP40 [0.738 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-WEP40  
About • Received ※ 08 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 04 October 2022
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