J. X. Shen

Sensorless control of ultrahigh-speed PM brushless motor using PLL and third harmonic back EMF

J. X. Shen, S. Iwasaki, J. Shen, 2006, IEEE Transactions on Industrial Electronics.

Control of High-Speed Sensorless PM Brushless DC Motors

M. Azizur Rahman, K. Wang, J. X. Shen, 2010, 2010 IEEE Industry Applications Society Annual Meeting.