1. (1) Investigating R&D Committee on a trend of Electric Motors for EV/HEV: “A Technology Trend of Electric Motors for EV/HEV”, Technical Report, No. 1394 (2017) (in Japanese)
2. 自動車用モータの技術動向調査専門委員会:「自動車用モータの技術動向」, 電学技報, No. 1394 (2017)
3. (2) Investing R&D Committee on Elemental Technology Related to Electric Drive Assisted System for Mobility: “Development Trend and Prospect of Elemental Technology for Electric Drive Assisted System for Mobility”, Technical Report, No. 1528 (2022) (in Japanese)
4. 移動体用電動力応用システムの要素技術調査専門委員会:「移動体用電動力応用システムの要素技術の開発動向と展望」, 電学技報, No. 1528 (2022)
5. (3) K. Takeuchi, A. Takahashi, K. Nishihama, K. Hoshino, and N. Maekawa: “Energy Loss Evaluation and Verification of Permanent Magnet Synchronous Motor with Mechanical Winding Changeover Device”, IEEJ Trans. on IA, Vol. 142, No. 8, pp. 591-598 (2022) (in Japanese)