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[3, 2010] 

Journal of Electrical Engineering, Vol 61, 3 (2010) 149-156

IM BASED SPEED SERVODRIVE WITH LUENBERGER OBSERVER

Juraj Gacho – Milan Žalman

   The article concerns with observing states of the Induction Motor (IM) using Luenberger observer in speed servo drive. The movement of the motor and observer roots is analyzed for variable speed. Following to the results analyzing new method for observer gains is presented for observing IM magnetic flux. This structure is extended about adaptive speed observer. The functionality of presented method is proved in simulations using MATLAB Simulink.

Keywords: induction motor, sensorless speed control, Luenberger observer


[full-paper]


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