1. (1) S. Shimizu, H. Hanami, S. Inui, and Y. Ohira: “Fundamental Investigation of an X-Y LIM Normal Force with Nonlinear Analysis”, Paper of Technical Meeting on Linear Drive of The IEEJ, LD-03-117, pp. 21-24 (2003)
2. Analysis of the Static Thrust Characteristics of an X-Y Linear Synchronous Motor (X-Y LSM)
3. (3) J. Liu, K. Yakusi, T. Koseki, and S. Sone: “3 Degree-of-Freedom Zero Voltage Magnetic Levitation Control of 4-Pole Electromagnet by using Observer”, The 12th SEAD, 2A16, pp. 393-398 (2002)
4. (4) J. Liu, T. Koseki, S. Inui, and Y. Ohira: “Application of 2-Dimensional Drive for a 4-Pole 3 Degree-of-Freedom Magnet”, The 14th SEAD, 4A08, pp. 389-392 (2002)
5. Magnetic Levitation System of an X-YLSM. Static Characteristics Analysis of Four-pole Electromagnet.