(1) J. Watanabe, T. Takeshita, and N. Matsui: “Sensorless Salient-Pole Brushless DC Motor Drive at Zero Speed”, Technical Meeting on Semiconductor Power Converter IEE-Japan, SPC-97-7, pp. 37-42 (1997) (in Japanese)
渡辺淳一·竹下隆晴·松井信行:「センサレス突極形ブラシレスDCモータの零速制御」, 電気学会半導体電力変換研資, SPC-97-7, pp. 37-42 (1997)
(2) K. Yamada, T. Noguchi, and S. Kondo: “Position Sensor-less Speed Control of Salient-Pole PM Motor Including Low Speed Range”, Technical Meeting on Semiconductor Power Converter IEE-Japan, SPC-97-13, pp75-80 (1997) (in Japanese)
山田和範·野口季彦·近藤正示:「低速領域を含む突極形PMモータの位置センサレス速度制御法」, 電気学会半導体電力変換研資, SPC-97-13, pp. 75-80 (1997)
(3) M. J. Corley and R. D. Lorenz: “Rotor Position and Velocity Estimation for a Permanent Magnet Synchronous Machine at Standstill and High Speeds”, IEEE Industry Applications Society Annual Meeting, pp. 36-41 (1996)