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    Wyświetlanie 1-7 z 7
    Tytuł:
    Simulation and experimental results of hybrid electric machine with a novel flux control strategy
    Autorzy:
    Paplicki, P.
    Wardach, M.
    Bonisławski, M.
    Pałka, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/140694.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    PM machines
    FEM analysis
    experimental results
    control strategy
    field control capability
    efficiency maps
    Opis:
    The paper presents selected simulation and experimental results of a hybrid ECPMS-machine (Electric Controlled Permanent Magnet Synchronous Machine). This permanent magnets (PMs) excited machine offers an extended magnetic field control capability which makes it suitable for battery electric vehicle (BEV) drives. Rotor, stator and the additional direct current control coil of the machine are analyzed in detail. The control system and strategy, the diagram of power supply system and an equivalent circuit model of the ECPMS-machine are presented. Influence of the additional excitation on the performance parameters of the machine, such as: torque, efficiency, speed limits and back-EMF have also been discussed.
    Źródło:
    Archives of Electrical Engineering; 2015, 64, 1; 37-51
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of time delay on fractional-order PI-controlled system for a second-order oscillatory plant model with time delay
    Autorzy:
    Sadalla, T.
    Horla, D.
    Giernacki, W.
    Kozierski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/140432.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    fractional-order control
    FOPI controller
    stability analysis
    time delay
    tracking
    Opis:
    The paper aims at presenting the influence of an open-loop time delay on the stability and tracking performance of a second-order open-loop system and continuoustime fractional-order PI controller. The tuning method of this controller is based on Hermite- Biehler and Pontryagin theorems, and the tracking performance is evaluated on the basis of two integral performance indices, namely IAE and ISE. The paper extends the results and methodology presented in previous work of the authors to analysis of the influence of time delay on the closed-loop system taking its destabilizing properties into account, as well as concerning possible application of the presented results and used models.
    Źródło:
    Archives of Electrical Engineering; 2017, 66, 4; 693-704
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the influence of inverter PWM speed control methods on the operation of a BLDC motor
    Autorzy:
    Ciurys, M. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/140544.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analysis
    brushless DC motors
    electrical machines
    PWM speed control
    measurements
    Opis:
    An analysis of the influence of inverter PWM speed control methods on the operation of a brushless DC (BLDC) motor was carried out. Field-circuit models of the BLDC motor were developed taking into account rotational speed control by two classic methods: the unipolar H_ON_L_PWM and the bipolar H_PWM_L_PWM. Waveforms of the electrical and mechanical quantities and the motor parameters were computed. The results of the computations were verified by measurements performed on a specially designed test stand. On the basis of the measuredwaveforms of the electrical and mechanical quantities the dependence of the drive system efficiencies and power losses on rotational speed was determined for the two methods of inverter control.
    Źródło:
    Archives of Electrical Engineering; 2018, 67, 4; 939-953
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of electric field control methods for foil coils in high-voltage linear actuators
    Autorzy:
    Beek, T. A. van
    Jansen, J. W.
    Lomonova, E. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/141173.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electric field control methods
    high voltage
    linear actuators sensitivity analysis
    stress grading
    Opis:
    This paper describes multiple electric field control methods for foil coils in high-voltage coreless linear actuators and their sensitivity to misalignment. The investigated field control methods consist of resistive, refractive, capacitive and geometrical solutions for mitigating electric stress at edges and corners of foil coils. These field control methods are evaluated using 2-D boundary element and finite element methods. A comparison is presented between the field control methods and their ability to mitigate electric stress in coreless linear actuators. Furthermore, the sensitivity to misalignment of the field control methods is investigated.
    Źródło:
    Archives of Electrical Engineering; 2015, 64, 4; 629-640
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Field-oriented control of five-phase induction motor with open-end stator winding
    Autorzy:
    Listwan, J.
    Pieńkowski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/141002.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analysis
    field-oriented control
    five-phase induction motor
    open-end winding
    simulation studies
    space-vector modulation
    Opis:
    The mathematical model of the five-phase squirrel-cage induction motor and the system of the dual five-phase voltage source inverter have been presented. The control methods and control systems of the field-oriented control of the five-phase induction motor with an open-end stator winding are described. The structures of the direct fieldoriented control system (DFOC) and the Indirect Field-oriented control system (IFOC) with PI controllers in outer and inner control loops are analyzed. A method of space vector modulation used to control the system of the dual five-phase voltage source inverter has been discussed. The results of simulation studies of the field-oriented control methods are presented. Comparative analysis of the simulation results was carried out.
    Źródło:
    Archives of Electrical Engineering; 2016, 65, 3; 395-410
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis and control of dual stator Winding induction motor
    Autorzy:
    Pieńkowski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/141285.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    model matematyczny
    analiza
    IFOC
    dual stator induction motor
    mathematical models
    analysis
    DFOC and DTC control
    Opis:
    The paper presents the mathematical models of dual stator squirrel-cage induction motor, formulated in phase coordinate system and in general transformed space vector form. The two types of models of dual stator induction motor are considered. The control systems of field-oriented control (IFOC and DFOC) and direct torque control (DTC) of the dual stator induction motor have been described and discussed.
    Źródło:
    Archives of Electrical Engineering; 2012, 61, 3; 421-438
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design of a Taguchi-GRA optimized PID and adaptive PID controllers for speed control of DC motor
    Autorzy:
    George, Mary Ann
    Kamat, Dattaguru V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1955179.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analysis of variance
    Lyapunov rule
    MIT rule
    model reference adaptive control
    Taguchi-grey relational analysis
    analiza wariancji
    zasada Lyapunowa
    zasada MIT
    adaptacyjna kontrola modelu odniesienia
    analiza relacyjna Taguchi-grey
    Opis:
    DC motors have wide acceptance in industries due to their high efficiency, low costs, and flexibility. The paper presents the unique design concept of a multi-objective optimized proportional-integral-derivative (PID) controller and Model Reference Adaptive Control (MRAC) based controllers for effective speed control of the DC motor system. The study aims to optimize PID parameters for speed control of a DC motor, emphasizing minimizing both settling time (Ts )and % overshoot (% OS) of the closed-loop response. The PID controller is designed using the Ziegler Nichols (ZN) method primarily subjected to Taguchi-grey relational analysis to handle multiple quality characteristics. Here, the Taguchi L9 orthogonal array is defined to find the process parameters that affect Ts and % OS. The analysis of variance shows that the most significant factor affecting Ts and % OS is the derivative gain term. The result also demonstrates that the proposed Taguchi- GRA optimized controller reduces Ts and % OS drastically compared to the ZN-tuned PID controller. This study also uses MRAC schemes using the MIT rule, Lyapunov rule, and a modified MIT rule. The DC motor speed tracking performance is analyzed by varying the adaptation gain and reference signal amplitude. The results also revealed that the proposed MRAC schemes provide desired closed-loop performance in real-time in the presence of disturbance and varying plant parameters. The study provides additional insights into using a modified MIT rule and the Lyapunov rule in protecting the response from signal amplitude dependence and the assurance of a stable adaptive controller, respectively.
    Źródło:
    Archives of Electrical Engineering; 2021, 70, 4; 759-775
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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