| 摘要 |
PURPOSE:To stably and accurately control the movement of an article by moving the article by varying an external magnetic field in a magnetic fluid, thereby reducing a vibration and a displacement. CONSTITUTION:A movable body 16 mounted on a rotational shaft 15 in a magnetic fluid 17 stably exists at the position of the minimum energy in a magnetic field formed by exciting coils 7, 8 in the state of energizing the coils 7, 8. When the coils 7, 8 are deenergized and exciting coils 9, 10 are simultaneously energized, the fluid 17 flows by the magnetic field formed by the coils 9, 10, and the body 16 is simultaneously affected by the attracting force of the magnetic field rightward, and stopped at the position of the minimum new energy. |
