1. Direct torque control, induction motor vector control without an encoder
2. Tang, L. and Rahman, M. F. “A new direct torque control strategy for flux and torque ripple reduction for induction motors drive by using space vector modulation,”. Power Electronics Specialists Conference. Vol. 3, June. pp.1440–1445.
3. Rodriguez, J., Pontt, J., Silva, C., Kouro, S. and Miranda, H. 2004. “A novel direct torque control scheme for induction machines with space vector modulation,”. Power Electronics Specialists Conference. June20–252004. Vol. 2, pp.1392–1397.
4. Choi, Y.O., Lee, K.Y., Seo, K.S., Kim, G.B., Jung, B.H., Cho, G.B., Baek, H.L. and Jeong, S.Y. 2001. “Performance analysis of the DTC using a closed loop stator flux observer for induction motor in the low speed range,”. Proceedings of the Fifth International Conference, Electrical Machines and Systems. August2001. Vol. 1, pp.89–93.