G. C. D. Sousa, B. K. Bose and J. G. Cleland, “Fuzzy Logic Based on-Line Efficiency Optimization Control of an Indirect Vector-Controlled Induction Motor Drive,” IEEE Transactions on Industrial Electronics, Vol. 42, No. 2, 1995, pp. 192-198. doi:10.1109/41.370386
 H. R. Andersen, C. B. Rasmussen, E. Ritchie and J. K. Pedersen, “Efficiency Comparison of Electrical Motors for Energy Optimized Variable Speed Low Power and Low Cost Household Equipment,” 6th European Conference on Power Electronics and Applications, Seville, 1995, pp. 3381-3386.
 H. Sarhan and R. Issa, “Modeling, Simulation and Test of Inverter-Induction Motor Drive System with Improved Performance,” Journal of Engineering Sciences, Assiuit University, Vol. 33, No. 5, 2005, pp. 1873-1890.
 I. Kioskeridis and N. Margaris, “Loss Minimization in Induction Motor Adjustable-Speed Drives,” IEEE Transactions on Industrial Electronics, Vol. 43, No. 1, 1996, pp. 226-231. doi:10.1109/41.481429
 I. Kioskeridis and N. Margaris, “Loss Minimization in Scalar-Controlled Induction Motor Drives with Search Controllers,” IEEE Transactions on Power Electronics, Vol. 11, No. 2, 1996, pp. 213-220. doi:10.1109/63.486168
 A. K. Sharma, R. A. Gupta and Laxmi Srivastava. “Implementation of Neural Network in Energy Saving of Induction Motor Drives with Indirect Vector Control,” Journal of Theoritical and Applied Information Technology, Vol. 5, 2008, pp. 774-779.
 S. M. Yang and F. C. Lin, “Loss-Minimization Control of Vector-Controlled Induction Motor Drives,” Journal of the Chinese Institute of Engineers, Vol. 26, No. 1, 2003, pp. 37-45. doi:10.1080/02533839.2003.9670752