1. (1) T. Frenzke, F. Hoffmann, and H.G. Langer:“Speed Sensorless Control of Traction Drives--Experiences on Vehicles,” Proc. EPE’99 Lausanne, DS3.3 (1999)
2. (2) K. Kondo, K. Matsuoka, M. Yamashita, K. Yuki, A. Ujiie, and T. Hasebe:“The Study on an Application of Speed Sensorless Induction Motor Control for Railway Vehicle Traction”, 1999 National Convention Record I.E.E.J., No.1188 (1999-3) (in Japanese)
近藤圭一郎.松岡孝一.山下道寛.結城和明.氏家昭彦.長谷部寿郎:「速度センサレス誘導電動機制御の車両駆動への適用検討」, 平11電学全大, No.1188 (1999-3)
3. (3) K. Uezono, M. Takagi, and T. Sano:“VVVF Traction Control with Speed Sensorless Vector Control”, Toyodenki Review, No.104, pp.9-14 (1999-11) (in Japanese)
上園恵一.高木正志.佐野 孝:「車両用速度センサレスベクトル制御」,東洋電機技報, 104, pp.9-14 (1999-11)
4. (4) T. Hata, Y. Oritani, M. Takagi, K. Uezono, and T. Sano:“Creep Control by Speed Sensorless Vector Control for VVVF Traction Control”, 2000 National Convention Record I.E.E.J., No.5-256 (2000-3) (in Japanese)
畑 正.折谷佳裕.高木正志.上園恵一.佐野 孝:「速度センサレス方式による車両用VVVFの空転制御」, 平12電学全大, No.5-256 (2000-3)
5. (5) K. Yuki, K. Kondou, A. Ujiie, K. Matsuoka, T. Hasebe, M. Yamashita, and S. Tanaka:“Development of High Performance Traction Drive System without Speed Sensors”, IPEC-Tokyo 2000, pp.1373-1378 (2000-4)