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[1, 2006] 

Journal of Electrical Engineering, Vol 57, 1 (2006) 47-51

SPEED SLIDING MODE CONTROL OF SENSORLESS INDUCTION MACHINE

Mohamed Abid - Youcef Ramdani - Abdel Kader Meroufel

   In this paper, a direct field-oriented induction motor drive with a sliding mode controller (SMC) is presented. The design includes rotor speed estimation from measured stator terminal voltages and currents. For that reason we have defined a simple speed estimator. The (SMC) technique finds its stronger justification in the utilization of a robust nonlinear control law to model uncertainties. The used control algorithm is a sliding mode associated with a particular function "sat" to limit chattering effects that presents a serious problem in applications to variable structure systems. Simulation tests under load disturbances and parameter uncertainties are provided to evaluate the consistency and performance of the proposed control technique.

Keywords: induction machine, motor drives, sliding mode control, sensorless machine


[full-paper]


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