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CERN Accelerating science

Published Articles

Darreres entrades:
2024-04-24
06:01
Progress Towards the Commissioning and Installation of the 2PACL CO$_2$ Cooling Control Systems for Phase II Upgrade of the ATLAS and CMS Experiments / Zwalinski, Lukasz (CERN) ; Bhanot, Viren (CERN) ; Ciupinski, Marcin (CERN) ; Daguin, Jerome (CERN) ; Davoine, Loïc (CERN) ; Doubek, Martin (CERN) ; Galuszka, Szymon (CERN) ; Herpin, Yann (CERN) ; Hulek, Wojciech (CERN) ; Pakulski, Tym (CERN) et al.
In the scope of the High Luminosity program of the Large Hadron Collider at CERN, the ATLAS and CMS experiments are advancing the preparation for the production, commissioning and installation of their new environment-friendly low-temperature detector cooling systems for their new trackers, calorimeters and timing layers. The selected secondary ¿on-detector¿ CO₂ pumped loop concept is the evolution of the successful 2PACL technique allowing for oil-free, stable, low-temperature control. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) 802-806 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.802-806

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2024-04-24
06:01
Consolidation of the Power Trigger Controllers of the LHC Beam Dumping System / Strobino, Léa (CERN) ; Magnin, Nicolas (CERN) ; Voumard, Nicolas (CERN)
The Power Trigger Controller (PTC) of the LHC Beam Dumping System (LBDS) is in charge of the control and supervision of the Power Trigger Units (PTU), which are used to trigger the conduction of the 50 High-Voltage Pulsed Generators (HVPG) of the LBDS kicker magnets. This card is integrated in an Industrial Control System (ICS) and has the double role of controlling the PTU operating mode and monitoring its status, and of supervising the LBDS triggering and re-triggering systems. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) 1439-1443 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.1439-1443

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2024-04-24
06:01
SPS Beam Dump Enhancements on Tracking and Synchronization / Voumard, Nicolas (CERN) ; Magnin, Nicolas (CERN) ; Van Trappen, Pieter (CERN)
During Long Shutdown 2 (LS2) at CERN, the SPS Beam Dumping System (SBDS) was completely renovated and relocated to SPS Point 5. This allowed to deploy at the SPS the Beam Energy Tracking System (BETS) and the Trigger Synchronization Unit (TSU), initially designed for and operational at the LHC Beam Dumping System (LBDS). [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) 1444-1448 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.1444-1448

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2024-04-24
06:01
The Embedded Monitoring Processor for High Luminosity LHC / Moschovakos, Paris (CERN) ; Ecker, Dominic (Wuppertal U.) ; Olesen, Jakob (Aarhus U.) ; Ryjov, Vladimir (CERN) ; Schlenker, Stefan (CERN)
The Embedded Monitoring Processor (EMP) is a versatile platform designed for High Luminosity LHC experiments, addressing the communication, processing, and monitoring needs of diverse applications in the ATLAS experiment, with a focus on supporting front-ends based on lpGBT (low power Giga-Bit Transceiver). Built around a commercial SoM, the EMP architecture emphasizes modularity, flexibility and the usage of standard interfaces, aiming to cover a wide range of applications and facilitating detector integrators to design and implement their specific solutions. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) 1470-1474 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.1470-1474

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2024-04-24
06:01
SAMbuCa: Sensors Acquisition and Motion Control Framework at CERN / Masi, Alessandro (CERN) ; Andreassen, Odd (CERN) ; Arruat, Michel (CERN) ; Danzeca, Salvatore (CERN) ; Di Castro, Mario (CERN) ; Donzé, Mathieu (CERN) ; Fargier, Sylvain (CERN) ; Ferraro, Rudy (CERN) ; Gulin, Marco (CERN) ; Kozsar, Ioan (CERN) et al.
Motion control systems at CERN often have challenging requirements, such as high precision in extremely radioactive environments with millisecond synchronization. These demanding specifications are particularly relevant for Beam Intercepting Devices (BIDs) such as the collimators of the Large Hadron Collider (LHC). [...]
2023 - 8 p. - Published in : JACoW ICALEPCS 2023 (2023) TH2BCO04 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TH2BCO04

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2024-04-24
06:01
Visualization Tools to Monitor Structure and Growth of an Existing Control System / Pinazza, Ombretta (CERN) ; Augustinus, Andre (CERN) ; Bond, Peter (CERN) ; Chochula, Peter (CERN) ; Kurepin, Alexander (Moscow, INR ; CERN) ; Lechman, Mateusz (CERN) ; Voscek, Dominik (CERN)
The ALICE experiment at the LHC has already been in operation for 15 years, and during its life several detectors have been replaced, new instruments installed, and some technologies changed. The control system has therefore also had to adapt, evolve and expand, sometimes departing from the symmetry and compactness of the original design. [...]
2023 - 4 p. - Published in : JACoW ICALEPCS 2023 (2023) 1485-1488 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.1485-1488

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2024-04-24
06:01
Leveraging Local Intelligence to Industrial Control Systems through Edge Technologies / Patil, Abhit (CERN) ; Daniel, Schall (Unlisted, AT) ; Ghawash, Faiq (CERN) ; Kaufmann, Thomas (Unlisted, AT) ; Kern, Christian (Unlisted, DE) ; Schofield, Brad (CERN) ; Sündermann, Axel (Unlisted, AT) ; Varela, Fernando (CERN)
Industrial processes often use advanced control algorithms such as Model Predictive Control (MPC) and Machine Learning (ML) to improve performance and efficiency. However, deploying these algorithms can be challenging, particularly when they require significant computational resources and involve complex communication protocols between different control system components. [...]
2023 - 6 p. - Published in : JACoW ICALEPCS 2023 (2023) TUPDP102 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TUPDP102

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2024-04-24
06:01
Labview-Based Template for Enhanced Accelerator Systems Control: Software Solutions for the CERN-ISOLDE Facilities / Charrondière, Cedric (CERN) ; Andreassen, Odd (CERN) ; Benoit, Antoine (Unlisted, CH) ; Boorman, Gary (Unlisted, CH) ; Galetti, Elena (CERN) ; Heinke, Reinhard (CERN) ; Le, Line (CERN) ; Marsh, Bruce (CERN) ; Rossel, Ralf (CERN) ; Rothe, Sebastian (CERN) et al.
ISOLDE is part of the experimental infrastructure with-in the CERN accelerator complex that provides radioac-tive ion beams for studies of fundamental nuclear phys-ics, astrophysics, condensed matter physics and medical applications. Complementing the available controls in-frastructure, an easy-to-use set of applications was devel-oped to allow operators to record and display signals from multiple sources, as well as to provide drivers for non-standard, custom-made instruments and specialized off-the-shelf components. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) TUPDP088 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TUPDP088

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2024-04-24
06:01
Upgrade of the Process Control System for the Cryogenic Installation of the CERN LHC Atlas Liquid Argon Calorimeter / Fluder, Czeslaw (CERN) ; Fabre, Caroline (CERN) ; Goralczyk, Lukasz (CERN) ; Mastyna, Krzysztof (AGH-UST, Cracow) ; Pezzetti, Marco (CERN) ; Zmuda, Andrzej (CERN)
The ATLAS (LHC detector) Liquid Argon Calorimeter is classified as a critical cryogenic system due to its requirement for uninterrupted operation. The system has been in continuous nominal operation since the start-up of the LHC, operating with very high reliability and availability. [...]
2023 - 6 p. - Published in : JACoW ICALEPCS 2023 (2023) 752-757 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.752-757

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2024-04-24
06:01
Operational Tool for Automatic Setup of Controlled Longitudinal Emittance Blow-Up in the CERN SPS / Bruchon, Niky (CERN) ; Karpov, Ivan (CERN) ; Madysa, Nico (CERN ; Darmstadt, GSI) ; Papotti, Giulia (CERN) ; Quartullo, Danilo (CERN)
The controlled longitudinal emittance blow-up is necessary to ensure the stability of high-intensity LHC-type beams in the CERN SPS. It consists of diffusing the particles in the bunch core by injecting a bandwidth-limited noise into the beam phase loop of the main 200 MHz RF system. [...]
2023 - 6 p. - Published in : JACoW ICALEPCS 2023 (2023) TUPDP086 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TUPDP086

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