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    Wyświetlanie 1-9 z 9
    Tytuł:
    An efficiency no adaptive backstepping speed controller based direct torque control
    Autorzy:
    Ghezouani, A.
    Gasbaoui, B.
    Ghouili, J.
    Benayed, A. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/384812.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    backstepping
    induction motor
    DTC
    PI controller
    fuzzy controller
    Opis:
    The most problem of direct torque control are high torque ripple and Settling time to overcome this problem an efficiency Backstopping speed controller are proposed. This paper makes a comparison of the effectiveness of three PI speed controller based direct torque control, the first one is the classical PI speed controller (CL-PISC), the second are no Adaptive Backstepping controller (NABACKSC), and the third type are adaptive fuzzy PI controller (AF-PISC). The parameters of adaptive fuzzy PI are dynamically adjusted with the assistance of fuzzy logic controller. The non-Adaptive Backstopping controller is designed based on the Lyapunov stability theorem. The direct torque control is very adapted for electric propulsion systems; we apply this new strategy for an 15 Kw induction motor. The proposed PI controllers are simulated in MATLAB SIMULINK environment. The simulation results confirmed that the NA-BACKSC, present robust and the best dynamic behavior on direct torque control compared to AF-PISC and CL-PISC.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2017, 11, 1; 57-63
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Core loss resistance impact on sensorless speed control of an induction motor using hybrid adaptive sliding mode observer
    Autorzy:
    Ayana, Tadele
    Wogi, Lelissa
    Morawiec, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/27309950.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    induction motor
    loss minimization
    core loss
    adaptive observer
    sliding mode controller
    Opis:
    Induction motors (IMs) experience power losses when a portion of the input power is converted to heat instead of driving the load. The combined effect of copper losses, core losses, and mechanical losses results in IM power losses. Unfortunately, the core losses in the motor, which have a considerable impact on its energy efficiency, are not taken into account by the generally employed dynamic model in the majority of the studies. Due to this, the motor rating often corresponds to the worst-case load in applications, but the motor frequently operates below rated conditions. A hybridized model reference adaptive system (MRAS) with sliding mode control (SMC) is used in this study for sensorless speed control of an induction motor with core loss, allowing the motor to operate under a variety of load conditions. As a result, the machine can run at maximum efficiency while carrying its rated load. By adjusting the -axis current in the reference frame in vector-controlled drives, the system’s performance is enhanced by running the motor at its optimum flux. Regarding the torque and speed of both induction motors with and without core loss, the Adaptive Observer Sliding Mode Control (AOSMC) has been constructed and simulated in this case. The AOSMC with core loss produced good performance when the proposed controller was tested.
    Źródło:
    Archives of Electrical Engineering; 2023, 72, 4; 895--913
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative study of pi and fuzzy logic based speed controllers of an ev with four in-wheel induction motors drive
    Autorzy:
    Ghezouani, A.
    Gasbaoui, B.
    Nair, N.
    Abdelkhalek, O.
    Ghouili, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/384433.pdf
    Data publikacji:
    2018
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    electric vehicle
    induction motor
    PI controller
    fuzzy logic controller
    FLC
    direct torque control
    DTC
    four in-wheel induction motors
    Opis:
    This paper presents the modeling, control and simulation of an electric vehicle with four in-wheel 15 kw induction motors drive 4WDEV controlled by a direct torque control DTC strategy, where two control techniques are presented and compared for controlling the electric vehicle speed: the first one is based on a classical PI controller while the second one is based on a fuzzy logic controller (FLC). The aim is to evaluate the impact of the proposed FLC controller on the efficiency of the 4WDEV taking into account vehicle dynamics performances, autonomy and battery power consumption. When the classical controller can’t ensure the electric vehicle stability in several road topology situations. To show the efficiency of the proposed new control technique on the traction system by 4WDEV. The vehicle has been tested in different road constraints: straight road, sloping road and curved road to the right and left using the Matlab / Simulink environment. The analysis and comparison of the simulation results of FLC and PI controllers clearly show that the FLC ensures better performances and gives a good response without overshoot, zero steady state error and high load robustness rejection, compared to the PI controller which is present an overshoot equal 7.3980% and a rise time quite important (0.2157 s with PI controller and 0.1153 s with FLC). As well as the vehicle range has been increased by about 10.82 m throughout the driving cycle and that the energy consumption of the battery has been reduced by about 1.17% with FLC.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2018, 12, 3; 43-54
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    RT-LAB platform for real-time implementation of luenberger observer based speed sensorless control of induction motor
    Autorzy:
    Bechar, Mansour
    Hazzab, Abdeldjebar
    Habbab, Mohamed
    Sicard, Pierre
    Slimi, Mohammed
    Powiązania:
    https://bibliotekanauki.pl/articles/384383.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    digital simulator (OP5600)
    induction motor
    Luenberger observer
    RT-LAB platform
    speed sensorless control
    PI controller
    PI anti-windup controller
    Opis:
    This paper proposes RT-LAB platform for realtime implementation of Luenberger observer based on speed sensorless scalar control of induction motor. The observed shaft speed is derived from lyapunov’s theory. It is shown by an extensive study that this Luenberger observer with PI anti-windup speed controller is completely satisfactory at (nominal, variable, reverse) speed references and it is also robust to load torque disturbance. The sensorless control algorithm along with the proposed Luenberger observer is modeled, built in the Host PC and successfully implemented in real-time using digital simulator OP5600. The experimental results observed in the GW-Instek digital oscilloscope’s screen validate the effectiveness of the proposed Luenberger observer for speed sensorless scheme.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2019, 13, 4; 65-72
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sliding mode speed control of an induction motor drive using time-varying switching line
    Autorzy:
    Tarchała, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193307.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    sliding mode control
    equivalent control
    induction motor
    speed controller
    time-varying switching line
    Opis:
    An equivalent sliding mode control method of an induction motor speed has been discussed. The control signal consists of two parts: a continuous and discontinuous one. Very good dynamical response of the drive system has been obtained, which however changes influenced by external and parametric disturbances occurring under various operation conditions. In order to ensure identical dynamic performance of the speed transients and system robustness during the switching line reaching phase, regardless of external and parametric disturbances, the time-varying switching line is proposed. The simulation results have been validated by experimental tests of the induction motor drive system.
    Źródło:
    Power Electronics and Drives; 2017, 2, 37/1; 105-120
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fractional Order Sliding Mode Speed Control of Feedback Linearized Induction Motor
    Autorzy:
    Fetene, Yeshiwas
    Shibeshi, Dereje
    Powiązania:
    https://bibliotekanauki.pl/articles/1193868.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    induction motor
    input-output feedback
    linearization
    fractional-order sliding mode controller
    SVPWM
    load torque observer
    Opis:
    Induction machines have of late become the most popular workhorses in the industry replacing DC machines because of their advantages, such as reduced cost, reliability and the absence of commutators, which make them adapt to unfavourable conditions with lower maintenance requirement. However, higher-order models of AC machines, nonlinearities in model equations, uncertainties in parameters and load disturbances make induction motors difficult to control than that of DC motors. In this paper, a robust control strategy considering the recent advances in technology is proposed employing input-output feedback linearization for the exact decoupling of electromagnetic torque and rotor flux using fractional-order sliding mode controller (SMC) for the outer speed loop. The sliding mode observer is also designed to extract the rotor flux from the DC input voltage of the inverter and stator current measurements. Finally, a comparison between the commonly used proportional integral and derivative (PID) controller and the proposed fractional-order SMCs is made and the conclusion is reached.
    Źródło:
    Power Electronics and Drives; 2020, 5, 40; 109-122
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sensorless Induction Motor Drive Based on Model Reference Adaptive System Scheme Utilising a Fictitious Resistance
    Autorzy:
    Hajji, Soufien
    Chehida, Ramzi Ben
    Zayani, Hichem
    Bouaziz, Noomen
    Zorgani, Youssef Agrebi
    Powiązania:
    https://bibliotekanauki.pl/articles/1193902.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    indirect stator flux-oriented controller model
    ISFOC model
    model reference adaptive system
    MRAS
    fictitious resistance
    rotor speed estimation
    induction motor
    IM
    Opis:
    This article presents a new development of an indirect stator flux-oriented controller for sensorless speed induction motor drive utilising instantaneous and steady-state values, respectively, of a fictitious resistance symbolised as R_f. The dimension of the fictitious quantity, in this context, is the ohm, which is the difference between the stator d- and q-axis fictitious resistances. However, from the measurement of the stator voltage and currents of the machine, two independent resistance estimators are built. Therefore, the first is considered as a reference model of the induction machine (IM), and the second is considered as an adjustable model. Subsequently, the error between the states of the two models is used to drive a suitable adaptation mechanism that generates the estimation of the speed, for the adjustable model. Furthermore, the structure of the proposed estimator is free from stator resistance and eliminates the requirement of any flux computation. All the detailed simulation study is carried out in MATLAB/Simulink to validate the proposed method and to highlight the robustness and the stability of the proposed model reference adaptive system estimator.
    Źródło:
    Power Electronics and Drives; 2020, 5, 40; 199-212
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Termograficzna ocena stanu technicznego wirników silników indukcyjnych
    Thermographic evaluation of the technical condition of the rotors induction motors
    Autorzy:
    Ławrowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/304887.pdf
    Data publikacji:
    2017
    Wydawca:
    Wydawnictwo Druk-Art
    Tematy:
    silnik indukcyjny
    wirnik klatkowy
    wirnik z prętami biernymi
    żelazo czynne
    kamera termowizyjna
    wymuszalnik prądowy
    regulator napięcia
    induction motor
    squirrel cage rotor
    rotor bars of passive
    active iron
    infrared camera
    current controller
    voltage regulator
    Opis:
    W referacie przedstawiono przykładowe defekty w wirnikach silników indukcyjnych dużych mocy oraz termograficznej (termowizyjnej) metody ich wykrywania, opisano także nowatorskie sposoby wymuszania przepływu prądu w klatce wirnika. Referat jest ilustrowany kilkoma przykładami.
    The paper presents examples of defects in rotor induction motors and high-power infrared detection methods are also described innovative ways of forcing the flow of current in the cage rotor. The paper is illustrated with a few examples.
    Źródło:
    Napędy i Sterowanie; 2017, 19, 6; 92-98
    1507-7764
    Pojawia się w:
    Napędy i Sterowanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Defekty wirników silników indukcyjnych dużych mocy, termograficzna ocena stanu technicznego
    Defects rotor induction motors, large power thermographic evaluation of technical condition
    Autorzy:
    Ławrowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1367404.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Napędów i Maszyn Elektrycznych Komel
    Tematy:
    silnik indukcyjny
    wirnik klatkowy
    wirnik z prętami biernymi
    żelazo czynne
    kamera termowizyjna
    wymuszalnik prądowy
    regulator napięcia
    induction motor
    squirrel cage rotor
    rotor bars of passive
    active iron
    infrared camera
    current controller
    voltage regulator
    Opis:
    The paper presents examples of defects in rotor induction motors and high-power infrared detection methods are also described innovative ways of forcing the flow of current in the cage rotor. The paper is illustrated with a few examples.
    W referacie przedstawiono przykładowe defekty w wirnikach silników indukcyjnych dużych mocy oraz termograficznej (termowizyjnej) metody ich wykrywania, opisano także nowatorskie sposoby wymuszania przepływu prądu w klatce wirnika. Referat jest ilustrowany kilkoma przykładami.
    Źródło:
    Maszyny Elektryczne: zeszyty problemowe; 2016, 3, 111; 107-113
    0239-3646
    2084-5618
    Pojawia się w:
    Maszyny Elektryczne: zeszyty problemowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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