Dynamic simulation of ST-DTC with three-level inverter for three-phase induction motor

Mahanta, U.; Barik, L.S.; Panigrahi, Bibhu Prasad; Panda, Anup Kumar

doi:10.1109/icpedc.2017.8081143

Cited by 2 publications

(2 citation statements)

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“…The state's changes of the switches are related to the evolution of the electromagnetic state of the motor. The outer speed control loop is assured by a PI controller to accomplish quick response and acceptable overshoot and static error [11,12].…”

Section: Principle Of Dtcmentioning

confidence: 99%

“…On the other hand, it is difficult practically to estimate the bound of uncertainties. Consequently, and in order to overcome the effect of any external perturbation, the hitting control gain β has to be selected big sufficiently [8,11]. Hence, the equation (20), that define the law to control speed, will ensure the entity of the switching surface s(t) in (18) and when the function e(t)of the error arrives at the sliding surface, the system will be supervised by equation (19) that is every time invariable [26].…”

Section: ≥ | ( )| (27)mentioning

confidence: 99%

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DTC based on SVM for induction motor sensorless drive with fuzzy sliding mode speed controller

Massoum

Meroufel

Massoum

et al. 2021

IJECE

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By using the direct torque control (DTC), robust response in ac drives can be produced. Ripples of currents, torque and flux are oberved in steady state. space vector modulation (SVM) applied in DTC and used for a sensorless induction motor (IM) with fuzzy sliding mode speed controller (FSMSC) is studied in this paper. This control can minimize the torque, flux, current and speed pulsations in steady state. To estimate the rotor speed and stator flux the model reference adaptive system (MRAS) is used that is designed from identified voltages and currents. The FSMSC is used to enhance the efficiency and the robustness of the presented system. The DTC transient advantage are maintained, while better quality steady-state performance is produced in sensorless implementation for a wide speed range. The drive system performances have been checked by using Matlab Simultaion, and successful results have been obtained. It is deduced that the proposed control system produces better results than the classical DTC.

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Section: Principle Of Dtcmentioning

confidence: 99%