1. Hirano, A., Tadokoro, K., Hatano, A., Izumi, S., Nino, Y., Tomaru, K., Suzuki, M., Kaneda, T., Reliability evaluation of bolt joints of railroad switch through finite element method, Jointed railway technology symposium (2018), 3501 (in Japanese).
2. Hongo, K., Goda, W., Nakasone, R., Nagamine, N., Fundamental Study of Constructing 3D Railway Environment using Multiple Cameras, Jointed railway technology symposium (2023), pp.149-152 (in Japanese).
3. Hori, Y., Yasuoka, K., Obi, M., Kaji, T., Odaka, T. and Motohashi, K., Bunkiki tentetsuki sisutemu no kakushin - Jisedai bunkiki・tentetsuki no Kaihatsu -, JR East Technical Review, No.2 (2003), pp.64–68 (in Japanese).
4. Igarashi, Y., Tasks and methods of improving lock system of the NS-A type electric switching machine, Railway Technical Research Institute report, Vol.23, No.1 (2009), pp.29–32 (in Japanese).
5. Ito, S., Improvement of Front rod, Railway Technical Research Pre-report, No. A-87-152 (1987) (in Japanese).