LIGHTWEIGHT STRUCTURAL CONTROL BASED ON TUNED MASS INERTER SYSTEM (TMIS) UNDER TYPICAL EXCITATION

被引：0
|
作者：
Zhang R.-F. [1 ,2 ]
Cao Y.-R. [1 ,2 ]
Pan C. [3 ]
Hu X.-Y. [1 ,2 ]
机构：
[1] State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai
[2] Department of Disaster Mitigation for Structures, Tongji University, Shanghai
[3] College of Civil Engineering, Yantai University, Yantai
来源：
Gongcheng Lixue/Engineering Mechanics | 2022年 / 39卷 / 09期
关键词：
apparent mass; inerter; lightweight; multi-hazard; tuned mass; vibration control;
D O I：
10.6052/j.issn.1000-4750.2021.05.0328
中图分类号：
学科分类号：
摘要：
Classical tuned mass vibration control systems often require large additional mass and installation space, which is inconvenient in common use. Inerter system is a high-efficiency vibration control system with the characteristic of two-terminal inertia, apparent mass enhancement and damping enhancement, among which the apparent mass enhancement characteristic can realize lightweight structural vibration control. This research focuses on a generalized tuned mass inerter system (TMIS) with lightweight characteristic, and explains its basic theory and typical topology. A demand-based optimal design method is proposed to determine the parameters of the vibration control systems, aiming at reducing the required additional mass as well as meeting the structural performance demand. Three typical external excitations are considered in this research, including seismic effect, wind load and human-induced excitation. The lightweight advantage of the proposed TMIS is illustrated through a comparison with the classical tuned mass damper, and structural case study with dynamic response analysis is conducted to verify the control effect. The results show that TMIS is an efficient structural vibration control system, which can effectively mitigate the structural dynamic response under different types of typical external excitations, and lightweight the required additional tuned mass. TMIS provides an alternative vibration suppression device and is convenient for structural design and installation. © 2022 Tsinghua University. All rights reserved.
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页码：58 / 71
页数：13
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