1. (1) G. D. Demetriades, H. Zelaya de la Parra, E. Andersson, and H. Olsson: “A Real-Time Thermal Model of a Permanent-Magnet Synchronous Motor”, IEEE Trans. Power Elec., Vol. 25, No. 2, pp. 463-474 (2010)
2. (2) P. Milanfar and J. H. Lang: “Monitoring the thermal condition of permanent-magnet synchronous motors”, IEEE Trans. Aerosp. Electron. Syst., Vol. 32, No. 4, pp. 1421-1429 (1996)
3. (3) B. H. Lee, K. SeobKim, J. W. Jung, J. P. Hong, and Y. K. Kim: “Temperature Estimation of IPMSM Using Thermal Equivalent Circuit”, IEEE Trans. Magnetics, Vol. 48, No. 11, pp. 2949-2952 (2012)
4. (4) P. Zhang, B. Lu, and T. G. Habetler: “A Remote and Sensorless Stator Winding Resistance Estimation Method for Thermal Protection of Soft-Starter-Connected Induction Machines”, IEEE Trans. Ind. Elec., Vol. 55, No. 10, pp. 3611-3618 (2008)
5. (5) Z. Gao, T. G. Habetler, R. G. Harley, and R. S. Colby: “A Sensorless Adaptive Stator Winding Temperature Estimator for Mains-Fed Induction Machines With Continuous-Operation Periodic Duty Cycles”, IEEE Trans. Ind. Appl., Vol. 44, No. 10, pp. 1533-1542 (2008)