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    Wyświetlanie 1-4 z 4
    Tytuł:
    Modeling of Synchronous Data Streams Processing in the RPC Muon Trigger System of the CMS Experiment
    Autorzy:
    Poźniak, K. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/226758.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    synchronization
    particle measurements
    data acquisition
    triggering
    measurement system
    Opis:
    This paper presents signal synchronization aspects in a large, distributed, multichannel RPC Muon Trigger system in the CMS experiment. The paper is an introduction to normalized structure analysis methods of such systems. The method introduces a general model of the system, presented in a form of a network of distributed, synchronous, pipeline processes. The model is based on a definition of a synchronous data stream and its formal, fundamental properties. Theoretical considerations are supported by a practical application of synchronous streams and processes management. The following processes were modeled and implemented in hardware: window synchronization, derandomization, data concentration and generation of test pulses. There are presented chosen results of the model application in the CMS experiment.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 4; 489-502
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    TRIDAQ Systems in HEP Experiments at LHC Accelerator
    Autorzy:
    Zagoździńska, A.
    Romaniuk, R. S
    Poźniak, K. T.
    Zalewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/963907.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    TRIDAQ
    trigger
    RPC
    CMS
    HEP
    electronic systems
    detectors
    front-end electronics
    CERN
    data acquisition systems
    distributed measuring and control networks
    photonic networks
    Opis:
    The paper describes Trigger and Data Acquisition (TRIDAQ) systems of accelerator experiments for High Energy Physics. The background for physics research comprises assumptions of the Standard Model theory with basic extensions. On this basis, a structure of particle detector system is described, with emphasis on the following functional blocks: Front-End Electronics, Trigger and DAQ systems. The described solutions are used in the LHC experiments: ATLAS, ALICE, CMS and LHCb. They are also used in other accelerator experiments. Data storage and processing functionality is divided into two hardware systems: Trigger and Data Acquisition, that are dependent on each other. High input data rate impose relevant choices for the architecture and parameters of both systems. The key parameters include detailed system structure and its overall latency. Trigger structure is defined by the physics requirements and the storage capability of DAQ system. Both systems are designed to achieve the highest possible space and time resolution for particle detection. Trigger references are reviewed [1]–[39] as well as chosen accelerator research efforts originating in this country [40]–[83].
    Źródło:
    International Journal of Electronics and Telecommunications; 2013, 59, 4; 415-421
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Feasibility of FPGA to HPC computation migration of plasma impurities diagnostic algorithms
    Autorzy:
    Linczuk, P.
    Krawczyk, R. D.
    Zabolotny, W.
    Wojenski, A.
    Kolasinski, P.
    Pozniak, K. T.
    Kasprowicz, G.
    Chernyshova, M.
    Czarski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/226512.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    plasma diagnostic
    GEM system
    feedback loops
    Intel Xeon
    Intel Xeon Phi
    high performance computing HPC
    Opis:
    We present a feasibility study of fast events parameters estimation algorithms regarding their execution time. It is the first stage of procedure used on data gathered from gas electron multiplier (GEM) detector for diagnostic of plasma impurities. Measured execution times are estimates of achievable times for future and more complex algorithms. The work covers usage of Intel Xeon and Intel Xeon Phi - high-performance computing (HPC) devices as a possible replacement for FPGA with highlighted advantages and disadvantages. Results show that less than 10 ms feedback loop can be obtained with the usage of 25% hardware resources in Intel Xeon or 10% resources in Intel Xeon Phi which leaves space for future increase of algorithms complexity. Moreover, this work contains a simplified overview of basic problems in actual measurement systems for diagnostic of plasma impurities, and emerging trends in developed solutions.
    Źródło:
    International Journal of Electronics and Telecommunications; 2017, 63, 3; 323-328
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soft X-ray Diagnostic System Upgrades and Data Quality Monitoring Features for Tokamak Usage
    Autorzy:
    Wojenski, Andrzej
    Linczuk, Paweł
    Piotr, Kolasinski
    Chernyshova, Maryna
    Mazon, Didier
    Kasprowicz, Grzegorz
    Pozniak, Krzysztof T.
    Gaska, Michał
    Czarski, Tomasz
    Krawczyk, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/1844595.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    data quality monitoring
    FPGA
    Verilog/VHDL
    HDL
    GEM detector
    SXR plasma diagnostics
    modular measurement system
    data evaluation
    tokamak
    Opis:
    The validation of the measurements quality after on-site diagnostic system installation is necessary in order to provide reliable data and output results. This topic is often neglected or not discussed in detail regarding measurement systems. In the paper recently installed system for soft X-ray measurements is described in introduction. The system is based on multichannel GEM detector and the data is collected and sent in special format to PC unit for further postprocessing. The unique feature of the system is the ability to compute final data based on raw data only. The raw data is selected upon algorithms by FPGA units. The FPGAs are connected to the analog frontend of the system and able to register all of the signals and collect the useful data. The interface used for data streaming is PCIe Gen2 x4 for each FPGA, therefore high throughput of the system is ensured. The paper then discusses the properties of the installation environment of the system and basic functionality mode. New features are described, both in theoretical and practical approach. New modes correspond to the data quality monitoring features implemented for the system, that provide extra information to the postprocessing stage and final algorithms. In the article is described also additional mode to perform hardware simulation of signals in a tokamak-like environment using FPGAs. The summary describes the implemented features of the data quality monitoring features and additional modes of the system.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 1; 109-114
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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