Application of electromagnetic tuned mass damper with flywheels for controlling building structure vibration

被引：7

作者：

Lin, Chih-Shiuan ^{[1
]}

Lin, Ging-Long ^{[2
]}

机构：

[1] Natl Cent Univ, Dept Civil Engn, Taoyuan, Taiwan

[2] Natl Kaohsiung Univ Sci & Technol, Dept Construct Engn, Kaohsiung, Taiwan

来源：

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS | 2023年 / 52卷 / 12期

关键词：

detuning effect; electromagnetic (EM) damper; inerter; optimal design; shaking table test; tuned mass damper (TMD); SEISMIC RESPONSE; OPTIMUM DESIGN; INERTER; PERFORMANCE; SERVICEABILITY; OPTIMIZATION; PARAMETERS; REDUCTION; STIFFNESS;

D O I：

10.1002/eqe.3948

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study investigates a novel electromagnetic tuned mass damper with flywheels (EM-FW-TMD) system for reducing building structure vibration. The EM-FW-TMD system comprises a tuned mass damper (TMD) system with an electromagnetic (EM) damper and flywheels (FW). The EM damping coefficient and inertance of the EM-FW-TMD are adjustable. A prototype EM-FW-TMD device is fabricated and tested to validate its adjustability. Sliding- and pendulum-type EM-FW-TMD systems with various inerter configurations are investigated. The equations of motion for single- and multiple-degree-of-freedom structures in which the two EM-FW-TMD systems are installed are derived. A parameter optimization method that considers inertance is proposed for the EM-FW-TMD systems. The control performance of the two EM-FW-TMD systems is extensively compared. Furthermore, for frequency detuning, a parameter redesign method is proposed for adjusting the inertance and EM damping coefficient of both types of EM-FW-TMD systems; the results indicate that the detuning effect can be significantly mitigated by this retuning method.

引用

页码：3788 / 3810

页数：23

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