1. Djamila, C., Yahia, M., Ali, T.: Simultaneous estimation of rotor speed and stator resistance in sensorless indirect vector control of induction motor drives using a Luenberger observer. Int. J. Comput. Sci. 9(2), May 2012
2. Utkin, V.I.: Sliding mode control design principles and applications to electric drives. IEEE Trans. Ind. Electron. 40(1), 23–36 (1993)
3. Aktas, M., Okumus, H.I.: Stator resistance estimation using ANN in DTC IM drives. Turk. J. Electr. Eng. Comput. Sci. 18(2), 197–210 (2010)
4. Tarchala, G., Orlowska-Kowalska, T.: Sliding mode speed observer for the induction motor drive with different function approximation forms and gain adaptation. Przegl. Elektrotechniczny 89, 1–6 (2013)
5. Lascu, C., Boldea, I., Blaabjerg, F.: A class of speed-sensorless sliding-mode observers for high-performance induction motor drives. IEEE Trans. Ind. Electron. 56(9), 3394–3403 (2009)