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This paper is to compare the DTC applied to an induction motor fed by two-level voltage inverters and a three level voltage inverters, and to demonstrate the great advantages of using a three-level inverters type NPC. The speed control is realised by using a PI controler. The effectiveness of this approach is shows by simulation results using Power System Blocset (PSB) of Matlab / Simulink.
the aim of this paper is to presents a contribution for detailed comparison between fuzzy direct torque control (FDTC) strategy of Induction Machine (IM) using FLC and fuzzy logic switchers (FLS), and the conventional DTC using the two PI and IP controller. The performances of those two control schemes are evaluated and compared by simulation in terms of speed, flux, torque, current ripples and transient...
An improved and modified Direct Torque Control (DTC) algorithms for permanent magnet synchronous motor (PMSM) drive is investigated in this paper, which features low torque and flux ripple and almost fixed switching frequency. Indeed, a first algorithm uses DTC with Space Vector Modulation (SVM), which is called DTC-SVM, improves greatly the torque and flux ripples compared to the basic DTC reported...
Direct Torque Control (DTC) has becoming the industrial standard for Induction Machine (IM) torque control by means of very simple control schemes. This paper presents a contribution for detailed comparison of Direct Torque Control strategies (Classical DTC, SVM-DTC and Fuzzy DTC) for Induction Machine. The performances of those various methodologies are evaluated and compared by simulation in terms...
This paper presents the simulation results in Matlab/Simulink of three versions of permanent magnet synchronous machine (PMSM) vector control. In order to choose the most suitable pulse width modulation (PWM) strategy for controlling the voltage inverter, in term of electromagnetic torque ripple minimization, three modulation techniques associated with the vector control are investigated i.e. sinusoidal...
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