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论文类型：期刊论文

发表时间：2008-05-01

发表刊物：JOURNAL OF ENGINEERING MECHANICS-ASCE

收录刊物：SCIE

卷号：134

期号：5

页面范围：428-437

ISSN号：0733-9399

关键字：vibration; damping; control systems; shake table tests; structural control; model verification; interaction models

摘要：To investigate the effect of control-structure-interaction (CSI) between the innovative electromagnetic mass damper (EMD) control system and the test structure, three computational models are first developed in this paper. Then, typical driving voltages are applied to the servo-amplifier of the EMD system to excite the structure and to examine the dynamic behavior of the EMD system when it is implemented into the structure. Furthermore, the test results are compared with the predictions based on the proposed parametric models, namely on-line examination. Finally, shaking table tests of structural seismic response control employing the EMD control system are conducted to validate and compare the effectiveness of those parametric models. All the test results have shown that only when the CSI effect (especially the higher-order CSI effect) is fully considered, can the on-line dynamical property of the EMD system be accurately predicted and its control performance fully exerted. This is essential to achieve the highest performance when employing such EMD systems in suppressing structural vibrations.