Active dual reaction mass absorber for vibration control

Details Active dual reaction mass absorber for vibration control Active dual reaction mass absorber for vibration control

1997-03-31

1999-03-23

Young, Lee W.

Brakes

Inertia of damping mass dissipates motion

Resiliently supported damping mass

267136, 248550, F16F 710

Patent

active

058847367

ABSTRACT:
An active vibration absorber including a frame connected to a structure to be controlled and at least two reaction mass elements operatively connected to the frame. Each of the reaction mass elements is independently movable with respect to said frame. The absorber includes a force generating member for controlling relative movement between the reaction mass elements for damping vibration of the structure. The inventive dual reactive mass absorber requires less control force to produce the same vibration attenuation as conventional single reactive mass absorbers.

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Nishimura et al., An Intelligent Tuned Mass Damper; Kobori Research Complex, Kajima Corp.; AIAA-93-1709-CP; 1993; pp. 3561-3569.

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