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Wyszukujesz frazę "electromechanical" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Synthesis of adaptive electric drive control system of horizontal looper
Autorzy:
Breido, Iosif
Kuntush, Yelena
Powiązania:
https://bibliotekanauki.pl/articles/141026.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electromechanical system
horizontal looper
synthesis of damping system
variable inertia moment
Opis:
The article presents studies on the electromechanical system of a metallurgical horizontal looper in the steelmaking industry. During the operation of this unit, parameters in the system changes due to variations of length and mass of the steel strip, these variations significantly change elastic properties and reduce moments of inertia. Various methods of combating elastic vibrations in electromechanical systems are analyzed in this article. The article presents a description of experiments with a horizontal looper. A mathematical model for two extreme positions of the unit was developed based on experimental results. Simulation experiments were made and their results are presented. A new control system structure is proposed to reduce vibrations in the electromechanical system of a horizontal looper. A power-up sensor, adjuster and velocity derivative feedback were added into the model structure. The proposed feedback link structure takes into account the change of steel strip length. From the experimental data it follows that the proposed system provides effective damping of mechanical vibrations in the steel strip if its length during operation is changed.
Źródło:
Archives of Electrical Engineering; 2020, 69, 3; 679-694
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of novel discrete differential operator of periodic function to study electromechanical interactions
Autorzy:
Sobczyk, T. J.
Radzik, M.
Powiązania:
https://bibliotekanauki.pl/articles/201412.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electromechanical system
steady state analysis
periodic solutions
analysis in time domain
discrete differential operator
iterative algorithms
system elektromechaniczny
analiza stanu ustalonego
rozwiązania okresowe
analiza w dziedzinie czasu
dyskretny operator różniczkowania
algorytm iteracyjny
Opis:
This paper investigates an algorithm for finding steady-states in electromechanical systems for the cases of their periodic nature. The algorithm enables to specify the steady-state solution identified directly in time domain. The basis for such an algorithm is a discrete differential operator that specifies the values of the first derivative of the periodic function in the selected set of points on the basis of the values of that function in the same set of points. It creates algebraic equations describing the steady-state solution for the nonlinear differential equations describing electromechanical systems. In this paper, the direct time-domain approach is tested for the simple converter considering. The algorithm used in this paper is competitive with respect to the one known in literature an approach based on the harmonic balance method operated in frequency domain.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 5; 645-653
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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