ROBUSTNESS ANALYSIS ON SLIDING MODE CONTROL OF INDUCTION MOTOR

The aim of this paper is to establish that flux-speed sliding mode control of induction machine is robust in the presence of saturation of magnetic core and rising resistance effects. Further, we show how to select the free control design parameters in order to maintain sliding mode regime. Simulation results are given to point out the good performances and the robustness of the studied control system. These simulations results are performed in the presence of hard disturbances represented by increasing of rotor resistances (by an amount 100%), and by decreasing stator and rotor inductance (respectively by an amount 25% and 50%)

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