초록

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Abstract ▼ AI-Helper

A computer program is developed, which examines serviceability related to wind-induced vibration through modal analysis using wind-load data obtained from the wind tunnel tests and performs a preliminary design for passive and active mass-type vibration control systems in order to mitigate the wind...

A computer program is developed, which examines serviceability related to wind-induced vibration through modal analysis using wind-load data obtained from the wind tunnel tests and performs a preliminary design for passive and active mass-type vibration control systems in order to mitigate the wind-induced response below serviceability criteria. The program was applied to the wind tunnel test data for an actual tall building, and TMD's and AMD's were designed using optimal design equations or an optimal control algorithm and compared in terms of the RMS acceleration response and the stroke of the mass damper. The TMD and AMD with the lowest mass that can achieve target response reduction have excessive strokes of the mass. In particular, the AMD has an advantage of achieving target response with a mass much smaller than the TMD, while the stroke of the mass needs to be reduced using a measure such as adding high-pass filter to the controller.

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