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Vibration reducing device and vibration reducing method

  • US 20080134787A1
  • Filed: 10/24/2007
  • Published: 06/12/2008
  • Est. Priority Date: 10/31/2006
  • Status: Active Grant
First Claim
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1. A vibration reducing device, comprising:

  • an inertial mass actuator adapted to be mounted on a vibration damping object, that applies a vibration damping force on the vibration damping object, the vibration damping force being a reactive force generated due to displacement of an inertial mass;

    a vibration state detector that detects the vibration state of the inertial mass; and

    a controller connected to the inertial mass actuator and vibration state detector;

    wherein the controller determines the displacement and velocity of the vibration damping object at a part where the inertial mass actuator is mounted, and the displacement and velocity of the inertial mass, based on the vibration state of the inertial mass; and

    the vibration damping force is controlled based on the determined displacement and velocity of the vibration damping object at the part where the inertial mass actuator is mounted, and the displacement and velocity of the inertial mass.

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