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1.
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Unified Software Production Process for CERN Cryogenic Control Applications
/ Pezzetti, Marco (CERN) ; Barbe, Thomas (CERN) ; Fluder, Czeslaw (CERN) ; Kubla, Tomas (CERN) ; Rog, Sebastian (AGH-UST, Cracow) ; Tovar-Gonzalez, Antonio (CERN)
The software engineering of process control system for CERN cryogenic installations is based on an automatic code production methodology and continuous integration practice. This solution was initially developed for the LHC Accelerator applications, then adapted to LHC Detectors, test facilities and non-LHC cryogenic facilities. [...]
2023 - 5 p.
- Published in : JACoW ICALEPCS 2023 (2023) THPDP065
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.THPDP065
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2.
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An innovative approach for the design of cryogenic electrical and process control systems at CERN: the cryogenic Continuous Integration project
/ Barbe, T ; Pezzetti, M ; Martin, S ; Tovar-Gonzalez, A ; Fluder, C
Designing, building, commissioning, operating and maintaining multiple complex cryogenics process control systems involves many challenges. For several years, CERN has developed various solutions to help with the whole lifecycle of a cryogenic process control system. [...]
2022 - 7 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1240 (2022) , no. 1, pp. 012042
Fulltext: PDF;
In : Cryogenic Engineering Conference and International Cryogenic Materials Conference, Online, 19 - 23 Jul 2021, pp.012042
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3.
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Status of the Process Control Systems Upgrade for the Cryogenic Installations of the LHC Based ATLAS and CMS Detectors
/ Fluder, Czeslaw (CERN) ; Mastyna, Krzysztof (AGH-UST, Cracow) ; Peksa, Pawel (AGH-UST, Cracow) ; Pezzetti, Marco (CERN) ; Tovar González, Antonio (CERN) ; Wolak, Tomasz (AGH-UST, Cracow)
The ATLAS and CMS cryogenic control systems have been operational for more than a decade. Over this period, the number of PLCs faults increased due to equipment ageing, leading to systems failures. [...]
2019 - 5 p.
- Published in : 10.18429/JACoW-ICALEPCS2019-WEPHA050
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.WEPHA050
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4.
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Automation of the software production process for multiple cryogenic control applications
/ Fluder, Czeslaw (CERN) ; Lefebvre, Victor (CERN) ; Pezzetti, Marco (CERN) ; Plutecki, Przemyslaw (AGH-UST, Cracow) ; Tovar-González, Antonio (CERN) ; Wolak, Tomasz (AGH-UST, Cracow)
The development of process control systems for the cryogenic infrastructure at CERN is based on an automatic software generation approach. The overall complexity of the systems, their frequent evolution as well as the extensive use of databases, repositories, commercial engineering software and CERN frameworks have led to further efforts towards improving the existing automation based software production methodology. [...]
2018 - 5 p.
- Published in : 10.18429/JACoW-ICALEPCS2017-TUPHA006
Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.TUPHA006
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5.
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Beam screen cryogenic control improvements for the LHC run 2
/ Bradu, Benjamin (CERN) ; Rogez, Edouard (CERN) ; Blanco Vinuela, Enrique (CERN) ; Ferlin, Gerard (CERN) ; Tovar-Gonzalez, Antonio (CERN)
This paper presents the improvements made on the cryogenic control system for the LHC beam screens. The regulation objective is to maintain an acceptable temperature range around 20 K which simultaneously ensures a good LHC beam vacuum and limits cryogenic heat loads. [...]
CERN-ACC-2016-0106.-
Geneva : CERN, 2017 - 9 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 171 (2017) 012128
Fulltext: PDF;
In : 26th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2016, New Delhi, India, 7 - 11 Mar 2016, pp.012128
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6.
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Compensation of Beam Induced Effects in LHC Cryogenic Systems
/ Bradu, Benjamin (CERN) ; Blanco Viñuela, Enrique (CERN) ; Ferlin, Gerard (CERN) ; Fernández Adiego, Borja (CERN) ; Iadarola, Giovanni (CERN) ; Plutecki, Przemyslaw (CERN) ; Rogez, Edouard (CERN) ; Tovar González, Antonio (CERN)
This paper presents the different control strategies deployed in the LHC cryogenic system in order to compensate the beam induced effects in real-time. LHC beam is inducing important heat loads along the 27 km of beam screens due to synchrotron radiations, image current and electron clouds. [...]
CERN-ACC-2016-282.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-TUPMB048
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.TUPMB048
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7.
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Improved Software Production for the LHC Tunnel Cryogenics Control System
/ Fluder, C (CERN) ; Wolak, T (AGH-UST, Cracow) ; Drozd, A (AGH-UST, Cracow) ; Dudek, M (CERN) ; Frassinelli, F (Milan Polytechnic) ; Pezzetti, M (CERN) ; Tovar-Gonzalez, A (CERN) ; Zapolski, M (AGH-UST, Cracow)
The software development for the control system of the cryogenics in the LHC is partially automatized. However, every single modification requires a sequence of consecutive and interdependent tasks to be executed manually by software developers. [...]
2015 - 7 p.
- Published in : Phys. Procedia 67 (2015) 1134-1140
Elsevier Open Access article: PDF;
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.1134-1140
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8.
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A Fuzzy-Oriented Solution for Automatic Distribution of Limited Resources According to Priority Lists
/ Pezzetti, M (CERN) ; Inglese, V (CERN) ; Tovar-Gonzalez, A (CERN) ; Coppier, H (ESIEE, Amiens, France) ; Almeida, M (UFMG, Belo Horizonte, Brazil)
This project provides a solution for problems in which there is a limited cryogen resource that supplies several clients in parallel, which can cause the resource’s depletion. This study emerged from the need to solve a specific problem of the Cryogenics Group of the European Organization for Nuclear Research (CERN). [...]
CERN-ACC-2014-0349.-
Geneva : CERN, 2014 - 5 p.
Fulltext: PDF; External link: Published version from JACoW
In : 14th International Conference on Accelerator & Large Experimental Physics Control Systems, San Francisco, CA, USA, 6 - 11 Oct 2013, pp.thppc077
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9.
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Validation of the Data Consolidation in Layout Database for the LHC Tunnel Cryogenics Controls Upgrade
/ Tovar-Gonzalez, A (CERN) ; Balle, C (CERN) ; Blanco, E (CERN) ; Fortescue-Beck, E (CERN) ; Fluder, C (CERN) ; Inglese, V (CERN) ; Pezzetti, M (CERN) ; Gomes, P (CERN) ; Wolak, T (CERN) ; Dudek, M (CERN) et al.
The control system of the Large Hadron Collider cryogenics manages over 34’000 instrumentation and actuator channels. The complete information on their characteristics and parameters can be extracted from a set of views on the Layout database, to generate the specifications of the control system; from these, the code to populate PLCs (Programmable Logic Controller) and SCADA (Supervisory Control & Data Acquisition) is automatically produced, within the UNICOS framework (Unified Industrial Control System). [...]
CERN-ACC-2014-0348.-
Geneva : CERN, 2014 - 5 p.
Fulltext: PDF; External link: Published version from JACoW
In : 14th International Conference on Accelerator & Large Experimental Physics Control Systems, San Francisco, CA, USA, 6 - 11 Oct 2013, pp.thppc057
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10.
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Main Consolidations and Improvements of the Control System and Instrumentation for the LHC Cryogenics
/ Fluder, C (CERN) ; Blanco, E (CERN) ; Bremer, J (CERN) ; Bremer, K (CERN) ; Ivens, B (CERN) ; Casas-Cubillos, J (CERN) ; Claudet, S (CERN) ; Gomes, P (CERN) ; Ivens, B (CERN) ; Perin, A (CERN) et al.
Operation of the LHC during 2010 and 2011 with 3.5 TeV beam energy and luminosity up to 3.65x1033 cm-2 s-1, led to radiation-induced failures of micro-electronic devices used in the cryogenic control system. [...]
CERN-ATS-2013-005.
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2013. - 5 p.
Full text
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