| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration damping device capable of reducing the natural frequency of a supporting vibration system without size increase or complication thereof, and enhancing the vibration damping effect (the vibration damping performance), and its control method. SOLUTION: The vibration damping device 1 elastically supports an apparatus 8 for vibration removal placed on a vibration damping stand 7 with respect to an installation surface G, and comprises a displacement measurement means 4 for measuring the displacement of the vibration damping stand 7 with respect to the installation surface G, a driving means 3 for actively driving the vibration damping stand 7, and a control means 5 for controlling the driving means 3 so that the vibration damping stand 7 is moved in the same direction as the displacement direction based on the result of measurement by the displacement measurement means 4. COPYRIGHT: (C)2009,JPO&INPIT
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