A New Sensorless Control Design of Induction Motor Based on Backstepping Sliding Mode Approach

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In this paper, we propose a new sensorless control of induction motor (IM). The design of this control is based on backstepping and sliding mode approaches. First, the backstepping control is designed to steer the flux and speed variables to theirs references and to compensate the uncertainties trough appropriate Lyapunov functions. Second, sliding mode controllers (SMC) is used for stator currents control. Finally, we estimate the rotor speed by using the Luenberger observer (LO) and the rotor flux by using the extended Kalman filter (EKF). Simulation results are illustrated and prove the effectiveness of the proposed sensorless control in different working of speed references and against load torque disturbance
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Sensorless Control; Backstepping Control; Sliding Mode Control; Induction Motor; Luenberger Observer; Extended Kalman Filter

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