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首页> 外文期刊>Journal of Sound and Vibration >Output frequency response function based design of additional nonlinear viscous dampers for vibration control of multi-degree-of-freedom systems
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Output frequency response function based design of additional nonlinear viscous dampers for vibration control of multi-degree-of-freedom systems

机译：基于输出频率响应函数的多自由度系统振动控制的附加非线性粘性阻尼器设计

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摘要

This paper is concerned with the development of a new technique for the optimal placement and design of additional nonlinear viscous dampers for vibration control of Multi-Degree-Of-Freedom (MDOF) systems. The MDOF systems described by a multi-storey shear building model and subjected to harmonic loadings are first considered in the present study; then, the basic ideas of the design are extended to the cases of earthquake loadings. The studies are based on the concept of Output Frequency Response Function (OFRF) and associated methods proposed recently by the authors in control engineering and extend, for the first time, the well-established linear viscous damper optimal placement and design techniques for MDOF system vibration control to the nonlinear case. The design examples verify the effectiveness of the new technique, and demonstrate the beneficial effects of the designed additional nonlinear dampers on the MDOF system vibration control and the advantages of nonlinear viscous dampers over linear dampers in such applications.
机译：本文关注于一种新技术的发展，该技术用于优化多自由度（MDOF）系统振动控制的附加非线性粘性阻尼器的最佳放置和设计。本研究首先考虑了由多层剪力建筑模型描述并经受谐波载荷的MDOF系统。然后，将设计的基本思想扩展到地震荷载的情况。这些研究基于控制工程师中最近提出的输出频率响应函数（OFRF）的概念和相关方法，并首次扩展了成熟的线性粘滞阻尼器的最优位置和MDOF系统振动的设计技术控制到非线性情况。设计实例验证了新技术的有效性，并证明了在此类应用中设计的附加非线性阻尼器对MDOF系统振动控制的有益效果以及非线性粘性阻尼器优于线性阻尼器的优势。

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