1. [1] Nagashima, K., Seino, H., Miyazaki, Y., Arai, Y., Sakai, N. and Murakami, M., "Loading force density of a superconducting magnetic bearing using superconducting bulk body and superconducting coils," RTRI Report, Vol.21, No.9, pp.29-34, 2007 (in Japanese).
2. [2] Hasegawa, H., Matsue, H., Nagashima, K. and Yamashita, T., "Development of superconducting flywheel energy storage systems for demonstrations," RTRI Report, Vol.29, No.11, pp.41-46, 2014 (in Japanese).
3. [3] Yamashita, T., Ogata, M., Matsue, H., Miyazaki, Y., Sugino, M. and Nagashima, K., "Verification of Reliability of Superconducting Flywheel Energy Storage System and its Application to Railway System," QR of RTRI, Vol.58, No.4, pp.303-310, 2017.
4. [4] Miyazaki, Y., Mizuno, K., Yamashita, T., Nagashima, K., Nakao, K., Matsuoka, T., "Development of a Superconducting Magnetic Bearing Able to support Large Loads in a Flywheel Energy Storage System for Railway Applications," RTRI Report, Vol.32, No.3, pp.35-40, 2018 (in Japanese).
5. [5] Shimizu, H., Sawamura, H., Ozawa, K., Miyazaki, K., Mukoyama, S., Nagashima, K., Yamashita, M., "Status of HTS flywheel energy storage system demonstration machine in 2017 Komekurayama," Abstracts of CSSJ Conference, Vol.95, p.165, 2017 (in Japanese).