1. Vas P., Sensorless Vector and Direct Torque Control, Oxford University Press, New York, (1998).
2. Bose B. K., Modern Power Electronics and AC Drives, Prentice-Hall, NewJersey, USA, (2002).
3. Krause P. C., Wasynczuk O., Suhhoff S. D., Analysis of electric machinery and drive systems, IEEE press series on power systems, (2002).
4. Wade S., Dunnigan M.W. and Williams B.M., Modeling and simulation of induction machine vector control with rotor resistance identification, IEEE Transactions on Power Electronics, Vol. 12, No. 3 1997, 495-506.
5. Casadei, D. Serra, G. Tani, A. and Zarri,L., Assessment of direct torque control for induction motor drives. Bulletin of the polish academy of sciences, technical science. Vol. 54, No. 3, 2006, 3-5.