Structural Control Using Active Tuned Mass Dampers

by James C.H. Chang, Research Asst.; State Univ. of New York at Buffalo, Buffalo, N.Y.,
Tsu T. Soong, Prof.; State Univ. of New York at Buffalo, Buffalo, New York,

Serial Information: Journal of the Engineering Mechanics Division, 1980, Vol. 106, Issue 6, Pg. 1091-1098

Document Type: Journal Paper


Passive tuned mass dampers (TMD) are being using for motion control of tall buildings. The possibility of enhancing TMD effectiveness in structural with added active control capability is studied in this paper. The problem of structural control using active TMD is fromulated using classical feedback control theory. Using simple numerical examples, it is shown that an addition of active control forces to TMD systems can lead to significant improvement in displacement and acceleration reductions. Furthermore, TMD stroke requirement can also be significantly reduced with added active control element.

Subject Headings: Hydraulic structures | Active control | Damping | Motion (dynamics) | Numerical methods | Displacement (mechanics)

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