CERN Accelerating science

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1.
The PLC Control System for the RF Upgrade of the Super Proton Synchrotron / Oliveira, Joao Carlos (CERN) ; Arnaudon, Luca (CERN) ; Diaz Fontalva, Alejandro (CERN)
During the CERN Long Shutdown 2 (LS2), the 200 MHz main acceleration system of the Super Proton Synchrotron (SPS) is being upgraded. Two cavities will be added to reach a total of six. [...]
2020 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2019-MOPHA103 Fulltext: PDF;
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.MOPHA103
2.
Availability Modeling of the Solid-State Power Amplifiers for the CERN SPS RF Upgrade / Felsberger, Lukas (CERN) ; Apollonio, Andrea (CERN) ; Cartier-Michaud, Thomas (CERN) ; Montesinos, Eric (CERN) ; Oliveira, Joao Carlos (CERN) ; Uythoven, Jan (CERN)
As part of the LHC Injector Upgrade program a complete overhaul of the Super Proton Synchrotron Radio-Frequency (RF) system took place. New cavities have been installed for which the solid-state technology was chosen to deliver a combined RF power of 2 MW from 2560 RF amplifiers. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 2308-2311 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2308-2311
3.
Recommissioning of the CERN AD Stochastic Cooling System in 2021 after Long Shutdown 2 / Höfle, Wolfgang (CERN) ; Carli, Christian (CERN) ; Caspers, Fritz (CERN) ; Dupuy, Bruno (CERN) ; Gamba, Davide (CERN) ; Louwerse, Reinier (CERN) ; Myklebust, Vebjorn Roed (CERN) ; Oliveira, Joao Carlos (CERN) ; Ponce, Laurette (CERN) ; Rey, Stephane (CERN) et al.
The power system of the Stochastic Cooling System of the anti-proton decelerator AD at CERN, installed on top of the shielding blocks of the AD ring, was completely dismantled during the long shutdown 2 (LS2) at the end of the 2018 run in order to gain access to the accelerator for magnet consolidation. At start-up, this required finding and verifying the correct delays for all 48 power amplifiers feeding to the two kickers by means of beam transfer functions for the two cooling plateaus at 3.57 GeV/c and 2 GeV/c. [...]
2021 - 6 p. - Published in : JACoW COOL 2021 (2021) 20-25 Fulltext: PDF;
In : International Workshop on Beam Cooling and Related Topics (COOL 2021), Novosibirsk, Russian Federation, 1 - 5 Nov 2021, pp.20-25
4.
Upgrade of the Control System for the LHC High Level RF / Brischetto, Ylenia (CERN) ; Arnaudon, Luca (CERN) ; Costa, Valter (CERN) ; Glenat, David (CERN) ; Landré, David (CERN)
The acceleration of particles in CERN’s Large Hadron Collider (LHC) is carried out by sixteen superconducting radiofrequency (RF) cavities. Their remote control is taken care of by a complex system which involves heterogeneous equipment and interfaces with a number of different subsystems, such as high voltage power converters, cryogenics, vacuum and access control interlocks. [...]
2020 - 3 p. - Published in : 10.18429/JACoW-ICALEPCS2019-MOPHA019 Fulltext: PDF;
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.MOPHA019
5.
Control and Interlock Systems for the LIGHT Prototype / Moser, Roland ; Cerv, Matevz ; Magnoni, Stefano ; Pavetits, Hannes ; Paz Neira, Pablo ; Stachyra, Katarzyna
LIGHT (Linac Image Guided Hadron Technology) is a particle therapy system* developed by Advanced Oncotherapy plc. Accelerator, control and interlock systems are developed by its subsidiary A.D.A.M.SA, a CERN spin-off [...]
2018 - 5 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA130 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA130
6.
Applying model checking to critical PLC applications : An ITER case study / Fernández Adiego, Borja (CERN) ; Avinashkrishna, Bhimavarapu (TCS, Madhapur) ; Blanco Viñuela, Enrique (CERN) ; Darvas, Daniel (CERN) ; Gaikwad, Yogesh (TCS, Madhapur) ; Lee, Gisik (Mobiis Co. Ltd., Seoul) ; Pedica, Riccardo (Vitrociset, Rome) ; Prieto Diaz, Ignacio (IBERINCO, Madrid) ; Sallai, Gyula (Budapest, Tech. U.) ; Sreekuttan, Sailaraj (TCS, Madhapur)
The development of critical systems requires the application of verification techniques in order to guarantee that the requirements are met in the system. Standards like IEC 61508 provide guidelines and recommend the use of formal methods for that purpose. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA161 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA161
7.
The Linac4 vacuum control system / Blanchard, Sebastien (CERN) ; De La Gama, Jose (CERN) ; Ferreira, Rodrigo (CERN) ; Gomes, Paulo (CERN) ; Gutierrez, Abel (CERN) ; Kopylov, Leonid (Serpukhov, IHEP) ; Mikheev, Mikhail (Serpukhov, IHEP) ; Pigny, Gregory (CERN) ; Rocha, Andre (CERN)
Linac4 is 160 MeV H⁻ linear accelerator replacing Linac2 as the first injector to the CERN accelerator complex, which culminates with the Large Hadron Collider. This new Linac will increase the beam brightness by a factor of two. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA056 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA056
8.
Operation Experience with the LHC ACS RF System / Turaj, Katarzyna (CERN) ; Arnaudon, Luca (CERN) ; Baudrenghien, Philippe (CERN) ; Brunner, Olivier (CERN) ; Butterworth, Andrew (CERN) ; Gerigk, Frank (CERN) ; Karppinen, Mikko (CERN) ; Maesen, Pierre (CERN) ; Montesinos, Eric (CERN) ; Peauger, Franck (CERN) et al.
The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. [...]
SRF2019.- 2019 - 4 p. - Published in : 10.18429/JACoW-SRF2019-THP031 Fulltext: PDF;
In : 19th International Conference on RF Superconductivity, Dresden, Germany, 30 Jun - 05 Jul 2019, pp.913-916
9.
Introducing fast interlocks in the UNICOS-CPC framework / Ortola Vidal, Jeronimo (CERN) ; Blanco Viñuela, Enrique (CERN) ; Vazquez Muñiz, Manuel (CERN)
The CERN UNified Industrial COntrol System framework (UNICOS) with its Continuous Control Package (UNICOS-CPC) is the CERN standard solution for the design and implementation of continuous industrial process control applications. The need of adapting the framework capabilities to the different processes at CERN has brought new challenges. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA150 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA150
10.
Integration of New Siemens S7-1500 PLC Family in UNICOS-CPC: Engineering Challenges and Performance Evaluation / Ortolá Vidal, Jeronimo (CERN) ; Vazquez Muñiz, Manuel (CERN)
UNICOS-CPC (UNified Industrial COntrol System - Continuous Control Package) framework is the CERN standard solution for the design and implementation of continuous industrial process control applications. This paper reports on the design and test results of the integration of a new PLC platform, the new S7-1500 Siemens PLC (Programmable Logic Controllers) series. [...]
2019 - 5 p. - Published in : 10.18429/JACoW-ICALEPCS2019-WEPHA114
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.WEPHA114

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