Abstract
The present paper discusses the active vibration control of double-layer cylindrical lattice shells for the purpose of establishing the seismic response control method of lattice shells that have complicated vibration characteristics. First, the application method of active vibration control is discussed and the control effects are examined by means of time history response analyses. Moreover, the optimum arrangement of sensors is searched and the control effects are examined. As a result, this paper showed that the control method with the effective mass ratios of 90% is effective. And the optimum arrangement of sensors is searched by means of GA and the seismic response reduction is realized with the arrangement.
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