Vibration control device for structure

Details Vibration control device for structure Vibration control device for structure

1993-01-27

1995-06-06

Friedman, Carl D.

Static structures (e.g., buildings)

Means compensating earth-transmitted force

521672, 521676, 521677, 521678, E04H 902, E02D 2734, E04B 198

Patent

active

054211298

ABSTRACT:
A seismic vibration control device for structures which employs a combination of primary and secondary vibratable masses to attenuate the vibration of a structure. The primary vibratable mass is passive and is supported on the structure. One or more active secondary vibratable masses are supported on the primary mass. Control forces are selectively applied to the secondary masses to control the period of the primary mass in a manner which is most effective to attenuate the seismic vibration of the structure.

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PCT Application--WO-92/21840--Japan pub. Dec. 10, 1992.
PCT Application--WO-92/21841--Japan pub. Dec. 10, 1992.

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