Hardware Implementation of Modified Backstepping Control for Sensorless Induction Motor Drive

This paper presents a hardware implementation of sensorless Backstepping control for induction motor drive. The presented Backstepping control scheme has been designed in the stationary reference frame to reduce the control algorithm complexity. Furthermore, a full order Luenberger observer has been proposed for speed and torque estimation. Several operation conditions of the IM have been conducted such as load application, speed direction reversal and low-speed condition. In addition, an industrial benchmark test which comprises all speed condition has been done to check the control ability in different operation points. This work presents for the first time the experimental implementation of this developed control algorithm. The obtained experimental results prove the effectiveness and performance of the proposed control scheme.

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