Seismic adaptive control of building structures using active friction tuned mass damper

IF 3.9 2区工程技术 Q1 ENGINEERING, CIVIL

Structures Pub Date : 2024-10-23 DOI:10.1016/j.istruc.2024.107575

Saman Saadatfar , Fereshteh Emami , Mohsen Khatibinia , Hussein Eliasi

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引用次数: 0

Abstract

This study investigates the effectiveness of an active friction tuned mass damper (AFTMD) for mitigating the seismic responses of structures and modulating the control force. To this end, an adaptive sliding sector control (ASSC) strategy is used to adjust the control force of the AFTMD system. For the design of the AFTMD, the optimum parameters of a friction tuned mass damper (FTMD) is first obtained for an 11-story shear frame building under an artificial earthquake excitation. Then, the combination of the optimized FTMD and the ASSC strategy is used to design the AFTMD system for the seismic control of the shear frame building under the artificial earthquake excitation. Finally, the efficient performance of the ASSC-featured AFTMD system under four real earthquake excitations is validated and compared with that of the ASSC-featured active tuned mass damper (ATMD) system. Numerical results demonstrate that the AFTMD system considerably has not only the favorable performance in mitigating the seismic responses of the structure, but also less control force in comparison with the ATMD system.

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利用主动摩擦调谐质量阻尼器对建筑结构进行抗震自适应控制

本研究探讨了主动摩擦调谐质量阻尼器（AFTMD）在减轻结构地震响应和调节控制力方面的有效性。为此，采用了自适应滑动扇形控制（ASSC）策略来调节 AFTMD 系统的控制力。在设计 AFTMD 时，首先针对人工地震激励下的 11 层剪力框架结构建筑，获得摩擦调谐质量阻尼器 (FTMD) 的最佳参数。然后，将优化的 FTMD 与 ASSC 策略相结合，设计出 AFTMD 系统，用于人工地震激励下剪力框架建筑的抗震控制。最后，对具有 ASSC 功能的 AFTMD 系统在四种真实地震激励下的高效性能进行了验证，并与具有 ASSC 功能的主动调谐质量阻尼器 (ATMD) 系统进行了比较。数值结果表明，与 ATMD 系统相比，AFTMD 系统不仅在减轻结构的地震响应方面表现出色，而且控制力更小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Structures Engineering-Architecture

CiteScore

5.70

自引率

17.10%

发文量

1187

期刊介绍： Structures aims to publish internationally-leading research across the full breadth of structural engineering. Papers for Structures are particularly welcome in which high-quality research will benefit from wide readership of academics and practitioners such that not only high citation rates but also tangible industrial-related pathways to impact are achieved.