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CERN Document Server Sök i 16 journaler efter:  1 - 10nästa  gå till journal: Sökningen tog 0.55 sekunder. 
1.
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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2.
Energy Consumption Optimisation by Using Advanced Control Algorithms / Ghawash, Faiq (CERN ; Norwegian U. Sci. Tech.) ; Blanco Viñuela, Enrique (CERN) ; Schofield, Brad (CERN)
Large industries operate energy-intensive equipment and energy efficiency is an important objective when trying to optimize the final energy consumption. CERN utilizes a large amount of electrical energy to run its accelerators, detectors and test facilities, with a total yearly consumption of 1.3 TWh and peaks of about 200 MW. [...]
2023 - 8 p. - Published in : JACoW ICALEPCS 2023 (2023) MO3AO06 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.MO3AO06
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3.
Approximate Model Predictive Control of Switched Affine Systems Using Multitask Learning with Safety and Stability Guarantees / Ghawash, Faiq (Norwegian U. Sci. Tech.) ; Hovd, Morten (Norwegian U. Sci. Tech.) ; Schofield, Brad (CERN)
We study the problem of designing an approximate model predictive control (MPC) for discrete time switched affine systems. The MPC design for the switched affine system requires an online solution of a mixed integer program. [...]
2023 - 8 p. - Published in : 10.1109/CDC49753.2023.10383894
In : 62nd IEEE Conference on Decision and Control (CDC 2023), Singapore, Singapore, 13 - 15 Dec 2023, pp.4903-4910
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4.
Model Predictive Control of Air Handling Unit for a Single Zone Setup / Ghawash, Faiq (Norwegian U. Sci. Tech.) ; Hovd, Morten (Norwegian U. Sci. Tech.) ; Schofield, Brad (CERN) ; Monteiro, Diogo (CERN)
Heating Ventilation and Air Conditioning (HVAC) systems are one of the main consumers of electrical energy. Being an essential component in HVAC systems, optimal operation of the air handling units (AHUs) can result in significant energy savings. [...]
2022 - 6 p. - Published in : 10.1109/adconip55568.2022.9894128
In : 7th International Symposium on Advanced Control of Industrial Processes (AdCONIP 2022), Vancouver, BC, Canada, 7 - 9 Aug 2022, pp.158-163
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5.
Model Predictive Control of Induced Draft Cooling Towers in a Large Scale Cooling Plant / Ghawash, Faiq (Norwegian U. Sci. Tech.) ; Hovd, Morten (Norwegian U. Sci. Tech.) ; Schofield, Brad (CERN)
We study the problem of designing a model predictive control strategy for multiple induced draft cooling towers. The common objective of the cooling towers is to regulate the outlet water temperature of the common collection basin to the desired set point. [...]
2022 - 7 p. - Published in : IFAC-PapersOnLine 55 (2022) 161-167 Fulltext: PDF;
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6.
Full remote alignment system for the High-Luminosity Large Hadron Collider HL-LHC / Biedrawa, Piotr (AGH University of Science and Technology (PL)) ; Blanco Vinuela, Enrique (CERN) ; Cala Franco, Clara (CERN) ; Gonzalez Cobas, Juan David (CERN) ; Di Castro, Mario (CERN) ; Donze, Mathieu (CERN) ; Falcao Machado, Joao Luis (CERN) ; Fargier, Sylvain (CERN) ; Fernandez Adiego, Borja (CERN) ; Herty, Andreas (CERN) et al.
The High Luminosity Large Hadron Collider (HL-LHC) is an upgrade of the LHC to achieve instantaneous luminosities, a factor five larger than the LHC nominal values [...]
CERN-BE-2023-007. - 2022 - 8.
Full text
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7.
Continuous Integration for PLC-based Control System Development / Schofield, Brad (CERN) ; Blanco Viñuela, Enrique (CERN) ; Borrego, João (CERN)
Continuous Integration and Continuous Deployment (CI/CD) is a software engineering methodology which emphasises frequent, small changes committed to a version control system, which are verified by a suite of automatic tests, and which may be deployed to different environments. While CI/CD is well established in software engineering, it is not yet widely used in the development of industrial controls systems. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS2021 (2022) 478-483 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.478-483
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8.
OPC-UA Data Acquisition for the C2MON Framework / Stockinger, Elisabeth (Aalto U.) ; Bräger, Matthias (CERN) ; Copy, Brice (CERN) ; Farnham, Ben (CERN) ; Ludwig, Michael (CERN) ; Schofield, Brad (CERN)
The CERN Control and Monitoring Framework(C2MON) is a monitoring platform developed at CERN and since 2016 made available under an LGPL3 open source license. It stands at the heart of the CERN Technical Infrastructure Monitoring (TIM) that supervises the correct functioning of CERN’s technical and safety infrastructure. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS2021 (2022) 376-381 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.376-381
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9.
CERN SCADA Systems 2020 Large Upgrade Campaign Retrospective / Goralczyk, Lukasz (CERN) ; Kostopoulos, Alexandros Foivos (CERN) ; Schofield, Brad (CERN) ; Tournier, Jean-Charles (CERN)
In this paper we report the experience from a large-scale upgrade campaign of SCADA control systems performed during the second LHC Long Shutdown at CERN. Such periodical upgrades are dictated by the ever evolving SCADA WinCC OA system and the CERN frameworks evolution used in those control systems. [...]
2022 - 5 p. - Published in : JACoW ICALEPCS2021 (2022) 156-160 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.156-160
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10.
Capacity control of induced draft cooling tower using two stage optimization / Ghawash, Faiq (Norwegian U. Sci. Tech.) ; Hovd, Morten (Norwegian U. Sci. Tech.) ; Schofield, Brad (CERN)
We consider the problem of designing a capacity control method for induced draft cooling towers that can be operated in different modes (bypass, showering, ventilation) to meet the heat rejection requirement. Recent efforts provide an adequate solution using mixed integer model predictive controller, however the combinatorial formulation of the problem might result in prohibitively large computation time limiting its applicability in real time scenarios. [...]
2021 - 6 p. - Published in : 10.1109/icstcc52150.2021.9607294
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