1. Development of rotor position sensorless control for PRM applied to railway traction drive;Yasui;IPEC-Niigata,2005
2. Sensorless PM synchronous motor drives at reclosing electric supply;Takeshita;Proc IEEJ Trans IAS,1998
3. Toba A, Aihara T, Yanase T. A starting method of PM motor drive system without position-, speed- nor voltage-sensors in the rotating condition. Proc IEEJ Trans IAS Annual Meeting 1997, No. 3, p 111-112. (in Japanese)
4. Toba A, Sato M, Inatama S, Fujita K. Free-run startup techniques for sensorless drive systems of permanent magnet machine with phase current or DC-bus current detection. Proc IEEJ Trans IAS Annual Meeting 2005, No. 1, p 361-366. (in Japanese)
5. Control technologies of power conversion apparatus;Nakazawa;2005 National Convention Record, IEE Japan 2006,2006