1. (1) Y. Okada and T. Koseki: “Vehicle and electrical system for effective usage of regenerative brake in DC-electrified railway”, IEEJ TER-04-39, pp. 47-52 (2004) (in Japanese)
2. 岡田万基.古関隆章:「直流電気鉄道における回生ブレーキ有効活用のための車両と電気システム」, 電気学会リニアドライブ研究会, LD-04-60/TER-04-39, pp. 47-52 (2004)
3. (2) F. Yusivar, K. Uchida, T. Kihara, S. Wakao, K. Kondo, and K. Matsuoka: “Stability Analysis of Permanent Magnet Synchronous Motor Traction Main Circuit with Regenerative Braking on Insufficient Load's Power Consuming”, IEEJ Trans IA, Vol. 121-D, No. 6, pp. 651-657 (2001) (in Japanese)
4. Stability Analysis of Permanent Magnet Synchronous Motor Traction Main Circuit with Regenerative Braking on Insufficient Load's Power Consuming
5. (3) Y. Hori: “2-inertia system control using resonance retio control and Manabe polynomials”, IEEJ Trans IA, Vol. 114-D, No. 10, pp. 1038-1045 (1994) (in Japanese)