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Adaptive Backstepping Control of Induction Motors with Uncertainties Using a Sliding Mode Adaptive flux Observer  

이은욱 (충청대 전기정보과)
양해원 (한양대 전자컴퓨터공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.53, no.3, 2004 , pp. 154-160 More about this Journal
Abstract
In this paper, a combined field orientation and adaptive backstepping approach using a sliding mode adaptive flux observer, is proposed for the control of induction motor In order to achieve the speed regulation with the consideration of improving power efficiency, rotor angular speed and flux amplitude tracking objectives are formulated. Rotor flux and inverse time constant are estimated by the sliding mode adaptive flux observer based on a fixed stator frame model and mechanical lumped uncertainty such as inertia moment, load torque disturbance, friction compensated by the adaptive backstepping based on a field-oriented model. Simulation results are provided to verify the effectiveness of the proposed approach.
Keywords
sliding mode flux observer; adaptive backstepping control; field-oriented control; induction motors;
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