CERN Accelerating science

CERN Document Server 46 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.57 δευτερόλεπτα. 
1.
Implementation of preventive diagnostics measures for the CERN cryogenic system / Cirillo, R (CERN) ; Gayet, Ph (CERN) ; Bradu, B (CERN)
The Cryogenic system is one of the most critical component of CERN accelerators and associated experiments. Any improvement in the maintenance plan leads to smoother operation procedures and improves the reliability of the facility as a whole. [...]
2019 - 6 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012165 Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012165
2.
CERN Cryogenic Controls Today and Tomorrow / Pezzetti, Marco (CERN) ; Gayet, Philippe (CERN)
The CERN cryogenic facilities demand a versatile, distributed, homogeneous and highly reliable control system. For this purpose, CERN conceived and developed several frameworks (JCOP, UNICOS, FESA, CMW), based on current industrial technologies and COTS equipment, such as PC, PLC and SCADA systems complying with the requested constraints. [...]
2022 - 8 p. - Published in : JACoW ICALEPCS2021 (2022) 997-1004 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.997-1004
3.
Experience from the outsourcing of the Cryogenic Operation & Maintenance at CERN / Ferrand, F (CERN) ; Gayet, P (CERN) ; Guillotin, N (CERN)
CERN operates and maintains several large cryogenic systems including those serving the LHC complex and its associated detectors, together with cryogenic Test Facilities and distribution services. Outsourcing of Operation and Maintenance to an industrial partner was implemented in 2016. [...]
IOP, 2020 - 8 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 755 (2020) 012084
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Hartford, Connecticut, 21 - 25 Jul 2019, pp.012084
4.
First operational experience with the HIE-Isolde helium cryogenic system including several RF cryo-modules / Guillotin, N (CERN) ; Dupont, T (CERN) ; Gayet, Ph (CERN) ; Pirotte, O (CERN)
The High Intensity and Energy ISOLDE (HIE-ISOLDE) upgrade project at CERN includes the deployment of new superconducting accelerating structures operated at 4.5 K (ultimately of six cryo-modules) installed in series, and the refurbishing of the helium cryo-plant previously used to cool the ALEPH magnet during the operation of the LEP accelerator from 1989 to 2000. The helium refrigerator is connected to a new cryogenic distribution line, supplying a 2000-liter storage dewar and six interconnecting valve boxes (i.e jumper boxes), one for each cryo-module. [...]
2017 - 8 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 278 (2017) 012121 Fulltext: PDF;
In : 2017 Cryogenic Engineering Conference and International Cryogenic Materials Conference, Madison, WI, USA, 9 - 13 Jul 2017, pp.012121
5.
Upgrade of the cryogenic infrastructure of SM18, CERN main test facility for superconducting magnets and RF cavities / Perin, A (CERN) ; Dhalla, F (CERN) ; Gayet, P (CERN) ; Serio, L (CERN)
SM18 is CERN main facility for testing superconducting accelerator magnets and superconducting RF cavities. Its cryogenic infrastructure will have to be significantly upgraded in the coming years, starting in 2019, to meet the testing requirements for the LHC High Luminosity project and for the R&D; program for superconducting magnets and RF equipment until 2023 and beyond. [...]
2017 - 8 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 278 (2017) 012112 Fulltext: PDF;
In : 2017 Cryogenic Engineering Conference and International Cryogenic Materials Conference, Madison, WI, USA, 9 - 13 Jul 2017, pp.012112
6.
LHC magnet quench detection by trend analysis of the pressure signal / Charbonnier, Sylvie (Grenoble, INP) ; Rijllart, Adriaan (CERN) ; Gayet, Philippe (CERN)
CERN's LHC is composed of thousands of superconductor magnets that may sometimes quench (lose suddenly their superconducting properties). This paper presents a method to detect magnet quenches from the pressure of the helium inside the magnets. [...]
2013 - 6 p. - Published in : 10.1109/I2MTC.2013.6555476
In : 2013 IEEE International Instrumentation and Measurement Technology Conference, Minneapolis, MN, USA, 6-9 May 2013
7.
Online analysis for anticipated failure diagnostics of the CERN cryogenic systems / Gayet, Philippe (CERN) ; Blanco Viñuela, Enrique (CERN) ; Bradu, Benjamin (CERN) ; Cirillo, Roberta (CERN)
The cryogenic system is one of the most critical component of the CERN Large Hadron Collider (LHC) and its associated experiments ATLAS and CMS. In the past years, the cryogenic team has improved the maintenance plan and the operation procedures and achieved a very high reliability. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA030 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA030
8.
Fault template extraction to assist operators during industrial alarm floods / Charbonnier, Sylvie (U. Grenoble Alpes) ; Bouchair, Nabil (CERN) ; Gayet, Philippe (CERN)
In industrial systems, a fault occurring on a process can create an alarm flood, a succession of alarms raised at a rate per minute so high it overwhelms the process operator in charge of the monitoring of the process. In this paper, a method to extract fault templates from a set of alarm lists raised on the occurrence of several faults is proposed. [...]
2016 - 13 p. - Published in : Eng. Appl. Artif. Intell. 50 (2016) 32-44
9.
Scalable Web Broadcasting for Historical Industrial Control Data / Copy, Brice (CERN) ; Andreassen, Odd (CERN) ; Gayet, Philippe (CERN) ; Labrenz, Mirjam (CERN) ; Milcent, Herve (CERN) ; Piccinelli, Flavio (CERN)
With the wide-spread use of asynchronous web communication mechanisms like WebSockets and WebRTC, it has now become possible to distribute industrial controls data originated in field devices or SCADA software in a scalable and event-based manner to a large number of web clients in the form of rich interactive visualizations. There is however no simple, secure and performant way yet to query large amounts of aggregated historical data. [...]
2015 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2015-WEPGF042 Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.WEPGF042
10.
TIP: An Umbrella Application for all SCADA-Based Applications for the CERN Technical Infrastructure / Varela, Fernando (CERN) ; Gayet, Philippe (CERN) ; Golonka, Piotr (CERN) ; Gonzalez-Berges, Manuel (CERN) ; Goralczyk, Lukasz (AGH-UST, Cracow) ; Pache, Julien (CERN) ; Sollander, Peter (CERN)
The WinCC Open Architecture (OA) SCADA package and the controls frameworks (UNICOS, JCOP) developed at CERN were successfully used to implement many critical control systems at CERN. In the recent years, the supervision and the controls of many technical infrastructure systems (electrical distribution, cooling and ventilation, etc.) were rewritten to use this standard environment. [...]
2015 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2015-MOPGF039 Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.MOPGF039

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