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HSE Papers

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2024-05-21
11:53
Enhancing airborne transmission modelling of respiratory viruses in enclosed spaces through a CO2 concentration fitting algorithm / Aleixo, Luis ; Henriques, Andre (CERN) ; Mounet, Nicolas (CERN)
The COVID-19 pandemic has emphasized the critical need for accurate risk assessment and mitigation strategies in indoor settings. [...]
CERN-OPEN-2024-004. - 2024. - 8 p.
Full text

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2024-02-02
06:36
Integrating System Knowledge in Unsupervised Anomaly Detection Algorithms for Simulation-Based Failure Prediction of Electronic Circuits / Waldhauser, Felix (CERN ; U. Stuttgart (main)) ; Boukabache, Hamza (CERN) ; Perrin, Daniel (CERN) ; Roesler, Stefan (CERN) ; Dazer, Martin (U. Stuttgart (main))
Machine learning algorithms enable failure prediction of large-scale, distributed systems using historical time-series datasets. Although unsupervised learning algorithms represent a possibility to detect an evolving variety of anomalies, they do not provide links between detected data events and system failures. [...]
2023 - 8 p. - Published in : 10.18429/JACoW-ICALEPCS2023-TU1BCO02 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.249-256

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2024-01-10
13:06
Computation of radioactivity in particle accelerators and propagation of uncertainties with the JEREMY code / Froeschl, Robert (CERN) ; Magistris, Matteo (CERN) ; Leite Pereira, Fernando ; Theis, Chris (CERN)
Beam losses are responsible for material activation in certain components of particle accelerators. [...]
CERN-OPEN-2024-001 ; EDMS1406467. - 2014. - 13 p.
Preprint

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2023-06-15
10:11
Implementation of ICRP116 Fluence to Effective Dose Conversion Coefficients in a FLUKA user routine / Bozzato, Davide ; Froeschl, Robert (CERN)
The estimation of the effective dose from the prompt radiation of a high energy and mixed radiation field is an important aspect of radiation protection at accelerator facilities. [...]
CERN-OPEN-2023-009 ; EDMS2439884. - 2020. - 23 p.
Preprint

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2023-03-06
09:21
Correction factor for the number of incident protons using correlation between SEC1 and PMIEA822 radiation monitor in the CHARM during Run 2 / Lee, Eunji (KEK) ; Sanami, Toshiya (KEK) ; Shiyo, Nobuhiro (Kyushu Univ) ; Kajimoto, Tsuyoshi (Hiroshima Univ) ; Froeschl, Robert (CERN)
In the CHARM facility, the beam intensity is obtained from the counts in the secondary emission chamber, denoted as SEC1. [...]
CERN-OPEN-2023-005 ; EDMS2810101. - 2022. - 19 p.
Preprint

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2023-02-09
15:53
Wavelet-based Noise Extraction for Anomaly Detection Applied to Safety-critical Electronics at CERN / Waldhauser, Felix (CERN ; Stuttgart U.) ; Boukabache, Hamza (CERN) ; Perrin, Daniel (CERN) ; Dazer, Martin (Stuttgart U.)
Due to the possible damage caused by unforeseen failures of safety-critical systems, it is crucial to maintain these systems appropriately to ensure high reliability and availability. If numerous units of a system are installed in various areas and permanent access is not guaranteed, remote, data-driven condition monitoring methods can be used to schedule maintenance actions and to prevent unexpected failures. [...]
2022 - 8 p. Fulltext: PDF;
In : 32nd European Safety and Reliability Conference (ESREL 2022), Dublin, Ireland, 28 Aug - 1 Sep 2022, pp.1844-1851

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2022-12-19
17:54
The DORIAN code for the prediction and analysis of residual dose rates due to accelerator radiation induced activation / Froeschl, Robert (CERN)
The estimation of residual dose rates at accelerator facilities is an important task for operational radiation protection. [...]
CERN-OPEN-2022-017. - 2013. - 5 p.
Preprint

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2022-05-06
06:25
ROMULUSLib: An Autonomous, TCP/IP-Based, Multi-Architecture C Networking Library for DAQ and Control Applications / Yadav, Amitabh (CERN) ; Boukabache, Hamza (CERN) ; Ceesay-Seitz, Katharina (CERN) ; Gerber, Nicola (CERN ; CSEM, Neuchatel) ; Perrin, Daniel (CERN)
The new generation of Radiation Monitoring electronics developed at CERN, called the CERN RadiatiOn Monitoring Electronics (CROME), is a Zynq-7000 SoC-based Data Acquisition and Control system that replaces the previous generation to offer a higher safety standard, flexible integration and parallel communication with devices installed throughout the CERN complex. A TCP/IP protocol based C networking library, ROMULUSlib, was developed that forms the interface between CROME and the SCADA supervision software through the ROMULUS protocol. [...]
2022 - 8 p. - Published in : JACoW ICALEPCS2021 (2022) 69-76 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.69-76

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2022-05-06
06:24
RomLibEmu: Network Interface Stress Tests for the CERN Radiation Monitoring Electronics (CROME) / Ceesay-Seitz, Katharina (CERN) ; Boukabache, Hamza (CERN) ; Leveneur, Marvin (CERN) ; Perrin, Daniel (CERN)
The CERN RadiatiOn Monitoring Electronics are a modular safety system for radiation monitoring that is remotely configurable through a supervisory system via a custom protocol on top of a TCP/IP connection. The configuration parameters influence the safety decisions taken by the system. [...]
2022 - 5 p. - Published in : JACoW ICALEPCS2021 (2022) 581-585 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.581-585

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2021-11-04
13:23
Formal Property Verification of the Digital Section of an Ultra-Low Current Digitizer ASIC / Ceesay-Seitz, Katharina (CERN) ; Kundumattathil Mohanan, Sarath (CERN) ; Boukabache, Hamza (CERN) ; Perrin, Daniel (CERN) ; Boukabache, Hamza (CERN)
This paper details our experience with Formal Property Verification (FPV) of the digital section of a mixed-signal Application Specific Integrated Circuit (ASIC) for ultra-low current measurements. The ASIC was developed as a prototype front-end for the future version of the CERN RadiatiOn Monitoring Electronics (CROME), which is a safety-critical system. [...]
2021 Fulltext: PDF; Poster: PDF;
In : Design and Verification Conference in Europe, Online, Germany, 26 - 27 Oct 2021

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