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A robust MRAS-sensorless scheme based rotor and stator resistances estimation of a direct vector controlled induction motor drive

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3 Author(s)
Zerikat, M. ; Dept. of Electr. & Control Eng., High Sch. of Electr. Eng. (ENSET), Oran, Algeria ; Chekroun, S. ; Mechernene, A.

The main aim of this paper is to implement and evaluate a high performance sensorless vector control of Induction Motor drive. The parallel resistance parameters and rotor speed estimation for MRAS-Sensorless with Direct Field Oriented Control is discussed in this paper. An MRAS is employed to obtain the resistance parameters and speed estimates. This technique is implemented using the Field Oriented Control technique as it provides better control of motor torque with high dynamic performance. The motor model is designed and membership functions are chosen according to the parameters of the motor model. The aim of the proposed sensorless control is to improve the performance and robustness of the induction motor drives under non linear loads variations is presented in this work. The availability of the proposed structure scheme is tested in simulation with Matlab-software. The results conclude that the efficiency and reliability of the proposed sensorless controller is excellent under a variety of operating conditions of the IM drive.

Published in:

Methods and Models in Automation and Robotics (MMAR), 2011 16th International Conference on

Date of Conference:

22-25 Aug. 2011