A High Gain Observer Based Sensorless Nonlinear Control of Induction Machine

Benheniche Abdelhak, Bensaker Bachir

Abstract


In this paper a sensorless Backstepping control scheme for rotor speed and flux control of induction motor drive is proposed. The most interesting feature of this technique is to deal with non-linearity of high-order system by using a virtual control variable to render the system simple. In this technique, the control outputs can be derived step by step through appropriate Lyapunov functions. A high gain observer is performed to estimate non available rotor speed and flux measurements to design the full control scheme of the considered induction motor drive. Simulation results are presented to validate the effectiveness of the proposed sensorless Backstepping control of the considered induction motor.


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DOI: http://doi.org/10.11591/ijpeds.v5.i3.pp305-314
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