ACTIVE VIBRATION CONTROL DEVICE AND VIBRATION CONTROL STRUCTURE THEREOF

摘要

To solve such a problem that a conventional active vibration control device reducing vertical vibration is large as whole device and is therefore difficult to be installed in a narrow space under the interior floor board (OA floor), and maintenance of the vibration control device is not easy.SOLUTION: An active vibration control device 1 is provided in a narrow space part 8 between a floor slab 6 and an interior floor plate 7 supported by the floor slab through a support member 7a, and at least includes: a piezo actuator 2 fixed on an installation plate 10 installed on the floor slab 6; a movable mass 3 supported by the piezo actuator; and a control device electrically connected to control the excitation frequency of the piezoelectric actuator.SELECTED DRAWING: Figure 1