Communication science et technologie
Volume 16, Numéro 1, Pages 61-75
2018-01-01

Neural Speed Controller Of Induction Motor With 24 Sectors Dtc Based Fuzzy Hysteresis Comparators

Authors : Benbouhenni Habib .

Abstract

Direct torque control (DTC) of the induction motor (IM) is important in many applications. The DTC system is known to offer fast decoupled control of torque and flux via a simple control structure. In This paper, IM is controlled with three-level DTC using intelligent controllers. These intelligent controllers were used to replace, on the one hand, the conventional hysteresis comparators of torque and flux, on the other hand, and the classic integral proportional (PI) of speed controller in order to reduce torque ripple, stator flux ripple and THD (Total Harmonic Distortion) value of stator current and to improve performance DTC. The validity of the proposed control scheme is verified by simulation tests of the IM. The stator flux, torque and THD value of stator current are determined and compared with the conventional control

Keywords

DTC, IM, Intelligent controllers, hysteresis controllers, PI, THD.