Metwally, H., Selem, S., Alattar, A. (2014). SENSORLESS INDUCTION MOTOR DIRECT TORQUE CONTROL BASED ON MODEL REFERENCE ADAPTIVE SYSTEMS. test, 37(3), 315-321. doi: 10.21608/erjm.2014.66933
Hamid M.B. Metwally; Sameh I. Selem; Alhassan H.M. Alattar. "SENSORLESS INDUCTION MOTOR DIRECT TORQUE CONTROL BASED ON MODEL REFERENCE ADAPTIVE SYSTEMS". test, 37, 3, 2014, 315-321. doi: 10.21608/erjm.2014.66933
Metwally, H., Selem, S., Alattar, A. (2014). 'SENSORLESS INDUCTION MOTOR DIRECT TORQUE CONTROL BASED ON MODEL REFERENCE ADAPTIVE SYSTEMS', test, 37(3), pp. 315-321. doi: 10.21608/erjm.2014.66933
Metwally, H., Selem, S., Alattar, A. SENSORLESS INDUCTION MOTOR DIRECT TORQUE CONTROL BASED ON MODEL REFERENCE ADAPTIVE SYSTEMS. test, 2014; 37(3): 315-321. doi: 10.21608/erjm.2014.66933

SENSORLESS INDUCTION MOTOR DIRECT TORQUE CONTROL BASED ON MODEL REFERENCE ADAPTIVE SYSTEMS

ERJ. Engineering Research Journal
Article 7, Volume 37, Issue 3, July 2014, Pages 315-321    PDF (756.48 K)
Document Type: Original Article
DOI: 10.21608/erjm.2014.66933
Authors
Hamid M.B. Metwally; Sameh I. Selem; Alhassan H.M. Alattar
Department of Electrical power and machines, Faculty of Engineering, Zagazig University
Abstract
    The classical direct torque control (DTC) system of three phase induction motor suffers from many drawbacks such as the need for motor speed sensor, flux and torque ripples, and constancy of the stator resistance in the DTC controller. In this paper a sensorless system based on Model Reference Adaptive System (MRAS) is designed to estimate the rotor speed without using encoder. The classical and MRAS systems are compared. Computer simulation proves the effectiveness and robustness of the proposed MRAS for estimating the motor speed over the classical one.
Keywords
Induction motor; Direct torque control; Model reference adaptive system
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