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Wyszukujesz frazę "power controller" wg kryterium: Temat

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    Wyświetlanie 1-2 z 2
    Tytuł:
    Power-aware scheduling of data-flow hardware circuits with symbolic control
    Autorzy:
    Özbaltan, Mete
    Berthier, Nicolas
    Powiązania:
    https://bibliotekanauki.pl/articles/1409402.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    symbolic discrete controller synthesis
    digital synchronous circuits
    power efficiency
    Opis:
    We devise a tool-supported framework for achieving power-efficiency of data-flow hardware circuits. Our approach relies on formal control techniques, where the goal is to compute a strategy that can be used to drive a given model so that it satisfies a set of control objectives. More specifically, we give an algorithm that derives abstract behavioral models directly in a symbolic form from original designs described at Register-transfer Level using a Hardware Description Language, and for formulating suitable scheduling constraints and power-efficiency objectives. We show how a resulting strategy can be translated into a piece of synchronous circuit that, when paired with the original design, ensures the aforementioned objectives. We illustrate and validate our approach experimentally using various hardware designs and objectives.
    Źródło:
    Archives of Control Sciences; 2021, 31, 2; 431-446
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multi-region fuzzy logic controller with local PID controllers for U-tube steam generator in nuclear power plant
    Autorzy:
    Puchalski, B.
    Duzinkiewicz, K.
    Rutkowski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/229505.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nuclear power plant
    U-tube steam generator
    PID control
    fuzzy logic
    multiregion PID controller
    advanced control systems
    Opis:
    In the paper, analysis of multi-region fuzzy logic controller with local PID controllers for steam generator of pressurized water reactor (PWR) working in wide range of thermal power changes is presented. The U-tube steam generator has a nonlinear dynamics depending on thermal power transferred from coolant of the primary loop of the PWR plant. Control of water level in the steam generator conducted by a traditional PID controller which is designed for nominal power level of the nuclear reactor operates insufficiently well in wide range of operational conditions, especially at the low thermal power level. Thus the steam generator is often controlled manually by operators. Incorrect water level in the steam generator may lead to accidental shutdown of the nuclear reactor and consequently financial losses. In the paper a comparison of proposed multi region fuzzy logic controller and traditional PID controllers designed only for nominal condition is presented. The gains of the local PID controllers have been derived by solving appropriate optimization tasks with the cost function in a form of integrated squared error (ISE) criterion. In both cases, a model of steam generator which is readily available in literature was used for control algorithms synthesis purposes. The proposed multi-region fuzzy logic controller and traditional PID controller were subjected to broad-based simulation tests in rapid prototyping software - Matlab/Simulink. These tests proved the advantage of multi-region fuzzy logic controller with local PID controllers over its traditional counterpart.
    Źródło:
    Archives of Control Sciences; 2015, 25, 4; 429-444
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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