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This paper presents a Model Reference Adaptive System (MRAS) technique for sensorless scalar control of induction motors, eliminating the need for tachometers and thereby reducing costs and system size. The MRAS approach effectively estimates rotor speed using a voltage model and an adaptive current model, with the aim of maintaining constant air gap flux through v/f control. The theoretical framework and simulation results demonstrate the effectiveness of this method in various load conditions.

Author

ude39145

Language

EN