3Aime M L,Degner M W,Tice N H,Lorenz R D.Measuring the location of saliencies in AC machines. . 1998
4Nakashima, Shin,Inagaki, Yuya,Miki, Ichiro.Sensorless initial rotor position estimation of surface permanent-magnet synchronous motor. IEEE Transactions on Industry Applications . 2000
7Ribeiro L A S, Degner M W, Lorenz R D. Comprison of carder signal voltage and current injection for the estimation of flux angle or rotor position[C]. IEEE IAS Conf. Rec., St. Louis, 1998: 452-459.
8Jang J H, Sul S K, Ha J I. Sensorless drive of surface-mounted permanent-magnet motor by high-frequency signal injection based on magnetic saliency[J]. IEEE. Trans.on Industry Application, 2003,39(4): 1031-1038.
9Lorenz R D. Practical issues and research opportunities when implementing zero speed sensorless control[C]. Proceedings of the Fifth International Conference on Electrical Machines and Systems. Shenyang, China, 2001: 1-10.
10Wang Limei, Guo Qingding, Lorenz R D. Sensorless control of permanent magnet synchronous motor[C]. Proceedings of Power Electronics and Motion Control Conference. Beijing,China, 2000:186-190.