CERN Accelerating science

CERN Document Server 找到 567 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 1.20 秒. 
1.
Excitation tolerances for the LEP power converters / Guignard, Gilbert ; von Holtey, G
CERN-LEP-Parameter-Note-10.
- 1984 - 13.
2.
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
3.
A Modular Approach for Accelerator Controls Components Deployment for High Power Pulsed Systems / Pavis, Steven (CERN) ; Barlow, Roger (CERN) ; Boucly, Christophe (CERN) ; Carlier, Etienne (CERN) ; Chanavat, Christophe (CERN) ; Lolliot, Christophe (CERN) ; Magnin, Nicolas (CERN) ; Van Trappen, Pieter (CERN) ; Voumard, Nicolas (CERN)
As part of the LHC Injector Upgrade (LIU) project, the controls of the PSB and PS injection kickers at CERN have been upgraded during Long Shutdown 2 (LS2) from heterogeneous home-made electronic solutions to a modular and open architecture. Despite both kickers have significantly different functionalities, topologies and operational requirements, standardized hardware and software control blocks have been used for both systems. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) TUPDP101 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.TUPDP101
4.
The Micro-Services of Cern’s Critical Current Test Benches / Charrondière, Cedric (CERN) ; Andreassen, Odd (CERN) ; Ballarino, Amalia (CERN) ; Barth, Christian (CERN) ; Boutboul, Thierry (CERN) ; Fleiter, Jerome (CERN) ; Hopkins, Simon (CERN) ; Koziol, Piotr (CERN) ; Reymond, Hubert (CERN)
In order to characterize the critical-current density of low temperature superconductors such as niobium¿titanium (NbTi) and niobium¿tin (Nb₃Sn) or high temperature superconductors such as magnesium-diboride MgB₂ or Rare-earth Barium Copper Oxide REBCO tapes, a wide range of custom instruments and interfaces are used. The critical current of a superconductor depends on temperature, magnetic field, current and strain, requiring high precision measurements in the nano Volt range, well-synchronized instrumentation, and the possibility to quickly adapt and replace instrumentation if needed. [...]
2023 - 6 p. - Published in : JACoW ICALEPCS 2023 (2023) THPDP002 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.THPDP002
5.
Dual channel FMC High-Voltage Supply / Viganò, William (CERN) ; Emery, Jonathan (CERN) ; Saccani, Mathieu (CERN)
The Beam Loss Monitoring (BLM) detectors and electronics are installed in the CERN accelerators to provide measurements of the beam loss and to protect from excessive losses. The majority of the BLM detector types require voltage biasing up to 2000 VDC with a possibility to generate patterns to verify the connection chain from the detectors to the front-ends. [...]
2022 - 4 p. - Published in : JACoW IBIC 2022 (2022) 383-386 Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.383-386
6.
Impact of Power Supply Ripple on the Beam Performance of the Large Hadron Collider and the High-Luminosity LHC / Kostoglou, Sofia (CERN) ; Bartosik, Hannes (CERN) ; Papaphilippou, Yannis (CERN) ; Sterbini, Guido (CERN)
Harmonics of the mains frequency (50 Hz) have been systematically observed in the form of dipolar excitations in the transverse beam spectrum of the Large Hadron Collider (LHC) since the beginning of its operation. The power supply ripple, consisting of both fundamental and higher frequency components, is proven not to be the result of an artifact of the instrumentation systems with which they are observed. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 170-175 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.170-175
7.
Developing and Validating OPC-UA Based Industrial Controls for Power Supplies at CERN / Ludwig, Michael (CERN) ; Arroyo Garcia, Jonas (CERN) ; Bengulescu, Marc (CERN) ; Farnham, Ben (CERN) ; Gonzalez Jimenez, Pablo (CERN) ; Varela, Fernando (CERN)
The industrial control systems of CERN’s experiments are undergoing major renovation since 2017 and well into CERN’s second Long Shutdown (LS2) until the end of 2019. Each detector power-supply control system runs several hundred software instances consisting of many different components in parallel on a large scale, broadly distinguishable as servers and clients. [...]
2019 - 3 p. - Published in : 10.18429/JACoW-PCaPAC2018-WEP04 Fulltext: PDF;
In : 12th International Workshop on Personal Computers and Particle Accelerator Controls (PCaPAC), Hsinchu, Taiwan, 16 - 19 Oct 2018, pp.WEP04
8.
An Evaluation of Schneider M580 HSBY PLC Redundancy in the R744 System A Cooling Unit / Teixeira, Daniella (Cape Town U.) ; Davoine, Loïc (CERN) ; Hulek, Wojciech (CERN) ; Zwalinski, Lukasz (CERN)
The Detector Technologies group at CERN has developed a 2-stage transcritical R744 cooling system as a service for future detector cooling. This is the first system in operation at CERN where Schneider HSBY (Hot Standby) redundant PLCs are used. [...]
2022 - 3 p. - Published in : JACoW ICALEPCS2021 (2022) 484-486 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.484-486
9.
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 ICALEPCS2021 (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
10.
Low-Cost Modular Platform for Custom Electronics in Radiation-Exposed and Radiation-Free Areas at CERN / Daniluk, Grzegorz (CERN) ; Gentsos, Christos (CERN) ; Gousiou, Evangelia (CERN) ; Patnaik, Lalit (CERN) ; Rizzi, Mattia (CERN)
The CERN control system is comprised of multiple layers of hardware and software. These tiers extend from the hardware deployed close to the machine, up to the software running on computers that operators use for control and monitoring. [...]
2020 - 7 p. - Published in : 10.18429/JACoW-ICALEPCS2019-TUAPP03 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.TUAPP03

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