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Wyszukujesz frazę "integral model" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Application of the deformation fracture criterion to cracking of disc specimens with a central narrow slot
    Autorzy:
    Kazberuk, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/2204693.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    cracked Brazilian disc
    Dugdale model
    plastic strip
    fracture deformation criterion
    singular integral equations
    Opis:
    Using the method of singular integral equations, the elastic-plastic problem for cracked Brazilian disk was solved. Based on the Dugdale model and deformation fracture criterion, the relationships between critical load, notch tip opening displacement and length of the plastic strips were established. Also, the comparison between the present solution for the finite domain and the known solution obtained for the semi-infinite notch in the elastic plane was performed.
    Źródło:
    Acta Mechanica et Automatica; 2022, 16, 4; 393--398
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of three control algorithms for an averaging tank with variable filling
    Autorzy:
    Kolankowski, Michał
    Piotrowski, Robert
    Powiązania:
    https://bibliotekanauki.pl/articles/2105996.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    control system
    fuzzy control system
    integral control system
    LQR
    mathematical model
    PID control system
    state feedback controller
    tank with variable filling
    Opis:
    An averaging tank with variable filling is a nonlinear multidimensional system and can thus be considered a complex control system. General control objectives of such object include ensuring stability, zero steady-state error, and achieving simultaneously shortest possible settling time and minimal overshoot. The main purpose of this research work was the modeling and synthesis of three control systems for an averaging tank. In order to achieve the intended purpose, in the first step, a mathematical model of the control system was derived. The model was adapted to the form required to design two out of three planned control systems by linearization and reduction of its dimensions, resulting in two system variants. A multivariable proportional-integral-derivative (PID) control system for the averaging tank was developed using optimization for tuning PID controllers. State feedback and output feedback with an integral action control system for the considered control system was designed using a linear-quadratic regulator (LQR) and optimization of weights. A fuzzy control system was designed using the Mamdani inference system. The developed control systems were tested using theMATLAB environment. Finally, the simulation results for each control algorithm (and their variants) were compared and their performance was assessed, as well as the effects of optimization in the case of PID and integral control (IC) systems.
    Źródło:
    Acta Mechanica et Automatica; 2022, 16, 2; 136--150
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of decoupled pi controllers for two-input two-output networked control systems with intrinsic and network-induced time delays
    Autorzy:
    Mohamed-Vall, Ould Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/2106237.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    proportional integral controller
    two-input two-output systems
    TITO
    networked control systems
    stability region boundary locus
    Wood–Berry distillation column model
    time delay
    Mikhailov criterion
    Opis:
    Proportional integral controller design for two-input two-output (TITO) networked control systems (NCSs) with intrinsic and network-induced time delays is studied in this paper. The TITO NCS consists of two delayed sub-systems coupled in a 1-1/2-2 pairing mode. In order to simplify the controller design, a decoupling method is first applied to obtain a decoupled system. Then, the controllers are designed based on the transfer function matrix of the obtained decoupled system and using the boundary locus method for determining the stability region and the well-known Mikhailov criterion for the stability test. A comparative analysis of the designed controllers and other controllers proposed in previous literature works is thereafter carried out. To demonstrate the validity and efficacy of the proposed method and to show that it achieves better results than other methods proposed in earlier literature works, the implementation in simulation of Wood–Berry distillation column model (methanol–water separation), a well-known benchmark for TITO systems, is carried out.
    Źródło:
    Acta Mechanica et Automatica; 2021, 15, 4; 201--208
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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