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All CERN Accelerators documents

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This new collection aggregates CERN accelerator-related documents on CDS. It will continuously be enriched and improved in the near future.
Latest additions:
2022-05-16
17:12
Renovation of the Trigger Distribution in CERN’s Open Analogue Signal Information System Using White Rabbit / Lampridis, Dimitrios (CERN) ; Gingold, Tristan (CERN) ; Michalik, David (CERN ; Aalborg U.) ; Poscia, Aurelien (CERN) ; Serans, Miguel (CERN) ; Shukla, Mamta (CERN) ; Pereira da Silva, Tiago (CERN)
The Open Analogue Signal Information System (OASIS) acts as a distributed oscilloscope system that acquires signals from devices across the CERN accelerator complex and displays them in a convenient, graphical way. Today, the OASIS installation counts over 500 multiplexed digitisers, capable of digitising more than 5000 analogue signals and offers a selection of more than 250 triggers for the acquisitions. [...]
2022 - 8 p. - Published in : JACoW ICALEPCS 2021 (2022) 839-846 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.839-846

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2022-05-16
17:12
Machine Learning Platform: Deploying and Managing Models in the CERN Control System / de Martel, Jean-Baptiste (CERN) ; Gorbonosov, Roman (CERN) ; Madysa, Nico (UCT-CERN Res. Ctr.)
Recent advances make machine learning (ML) a powerful tool to cope with the inherent complexity of accelerators, the large number of degrees of freedom and continuously drifting machine characteristics. A diverse set of ML ecosystems, frameworks and tools are already being used at CERN for a variety of use cases such as optimization, anomaly detection and forecasting. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS 2021 (2022) 50-55 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.50-55

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2022-05-16
17:11
A Reliable Monitoring and Control System for Vacuum Surface Treatments / Tagg, Joseph (CERN) ; Bez, Elena (CERN) ; Himmerlich, Marcel (CERN) ; Reascos Portilla, Ana Karen (CERN)
Secondary electron yield (SEY) of beam-screens in the LHC puts limits on the performance of the accelerator. To ramp up the luminosity for the HiLumi LHC project, the vacuum surface coatings team are coming up with ways to treat the surfaces to control the electron cloud and bring the SEY down to acceptable levels. [...]
2022 - 5 p. - Published in : JACoW ICALEPCS 2021 (2022) 492-496 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.492-496

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2022-05-16
17:11
Virtualisation and Software Appliances as Means for Deployment of SCADA in Isolated Systems / Golonka, Piotr (CERN) ; Davoine, Loïc (CERN) ; Zimny, Michal (CERN) ; Zwalinski, Lukasz (CERN)
The paper discusses the use of virtualisation as a way to deliver a complete pre-configured SCADA (Supervisory Control And Data Acquisition) application as a software appliance to ease its deployment and maintenance. For the off-premise control systems, it allows for deployment to be performed by the local IT servicing teams with no particular control-specific knowledge, providing a "turn-key" solution [...]
2022 - 4 p. - Published in : JACoW ICALEPCS 2021 (2022) 985-988 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.985-988

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2022-05-16
17:11
Development of an Automated High Temperature Superconductor Coil Winding Machine at CERN / Reymond, Hubert (CERN) ; Dam, Magnus (CERN) ; Felice, Helene (CERN) ; Haziot, Ariel (CERN) ; Jankowski, Patryk (CERN) ; Koziol, Piotr (CERN) ; Nes, Thomas (CERN) ; Pincot, Francois (CERN) ; Richter, Sebastian (CERN)
Within the framework of technology studies on future accelerators, CERN has initiated a five-years R&D; project aimed at the evaluation of the REBCO (Rare Earth Barium Copper Oxide) High Temperature Superconductors (HTS). The study covers a number of areas from material science to electromechanical properties. [...]
2022 - 5 p. - Published in : JACoW ICALEPCS 2021 (2022) 473-477 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.473-477

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2022-05-16
17:11
Data-Centric Web Infrastructure for CERN Radiation and Environmental Protection Monitoring / Ledeul, Adrien (CERN) ; Chiriac, Catalina (CERN) ; Segura, Gustavo (CERN) ; Sznajd, Jan (CERN) ; de la Cruz, Gonzalo (CERN)
Supervision, Control and Data Acquisition (SCADA) systems generate large amounts of data over time. Analyzing collected data is essential to discover useful information, prevent failures, and generate reports. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS 2021 (2022) 261-266 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.261-266

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2022-05-16
17:11
Beam Profile Measurements as Part of the Safe and Efficient Operation of the New SPS Beam Dump System / Topaloudis, Athanasios (CERN) ; Bravin, Enrico (CERN) ; Burger, Stephane (CERN) ; Jackson, Stephen (CERN) ; Velotti, Francesco (CERN) ; Veyrunes, Eric (CERN)
In the framework of the LHC Injectors Upgrade (LIU) project, the Super Proton Synchrotron (SPS) accelerator at CERN is undergoing a profound upgrade including a new high-energy beam dump. The new Target Internal Dump Vertical Graphite (TIDVG#5) is designed to withstand an average dumped beam power as high as 235 kW to cope with the increased intensity and brightness of the LIU beams whose energies in the SPS range from 14 to 450 GeV. [...]
2022 - 4 p. - Published in : JACoW ICALEPCS 2021 (2022) 764-767 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.764-767

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2022-05-16
17:11
Innovative Methodology Dedicated to the CERN LHC Cryogenic Valves Based on Modern Algorithm for Fault Detection and Predictive Diagnostics / Pezzetti, Marco (CERN) ; Amodio, Alessio (CERN) ; Arpaia, Pasquale (CERN) ; Donon, Yann (CERN) ; Gargiulo, Federico (CERN) ; Iodice, Luca (CERN)
The European Organization for Nuclear Research (CERN) cryogenic infrastructure is composed of many equipment, among them there are the cryogenic valves widely used in the Large Hadron Collider (LHC) cryogenic facility. At present time, diagnostic solutions that can be integrated into the process control systems, capable to identify leak failures in valves bellows, are not available. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS 2021 (2022) 959-964 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.959-964

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2022-05-16
17:11
Challenges of Automating the Photocathode Fabrication Process at CERN / Charrondière, Cedric (CERN) ; Chevallay, Eric (CERN) ; Zilliox, Thomas (CERN)
The CERN Photoemission Laboratory was founded in 1989 with the goal of studying laser-driven electron sources, for producing high-brightness electron beams within the framework of the Compact Linear Collider (CLIC) study. To produce these photocathodes, two processes run in parallel. [...]
2022 - 4 p. - Published in : JACoW ICALEPCS 2021 (2022) 464-467 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.464-467

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2022-05-16
17:11
Distributed Caching at Cloud Scale with Apache Ignite for the C2MON Framework / Marques Oliveira, Tiago (CERN) ; Bräger, Matthias (CERN) ; Copy, Brice (CERN) ; Halastra, Szymon (CERN) ; Martin Anido, Daniel (CERN) ; Papageorgiou Koufidis, Alexander (CERN)
The CERN Control and Monitoring platform (C2MON) is an open-source platform for industrial controls data acquisition, monitoring, control and data publishing. Its high availability, fault tolerance and redundancy make it a perfect fit to handle the complex and critical systems present at CERN. [...]
2022 - 4 p. - Published in : JACoW ICALEPCS 2021 (2022) 307-310 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.307-310

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