References
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- Sul, S. K., "Motor control theory," Hongneung Science Publishing Company, 2005
- Moreira, J. C. "Indirect Sensing for Rotor flux position of permanent magnet ac motors operating in a wide speed range," Conference record of IEEE IAS Annual Meeting, pp. 401-407, 1994
- Rahman, M. A. "Modern Electric Motors in Electronic World," Proc. of IEEE IECON, pp. 644-648, 1993
- Ogasawara, S. and Akagi, H. "An Approach to Position Sensorless Drive for Brushless DC Motor," Conf. Rec. of IEEE IAS, pp. 443-447, 1990