@article {67584,
	title = {An improved sliding mode observer for speed sensorless direct torque control of PMSM drive with a three-level NPC inverter based speed and stator resistance estimator},
	journal = {Journal of Electrical EngineeringJOURNAL OF ELECTRICAL ENGINEERING},
	volume = {10/2010},
	year = {2010},
	month = {2010},
	author = {Ameur, Aissa and Mokhtari, Bachir and Mokrani, Lakhdar and Boubekeur Azoui and Essounbouli, N. and Hamzaoui, A.}
}
