Design of Nonlinear Energy Sink Based on Bistable Cosine-Shaped Beam

被引：0
|
作者：
Zhao, Jian [1 ]
Liu, Jiaqi [1 ]
Lyu, Ming [1 ]
Liu, Pengbo
机构：
[1] Dalian Univ Technol, Sch Automot Engn, Dalian 116000, Peoples R China
来源：
2019 9TH IEEE ANNUAL INTERNATIONAL CONFERENCE ON CYBER TECHNOLOGY IN AUTOMATION, CONTROL, AND INTELLIGENT SYSTEMS (IEEE-CYBER 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
DYNAMICS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
To achieve high attenuation to environment vibration and noise, a new kind of nonlinear energy sink (NES) is proposed by incorporating a bistable cosine-shaped beam connected to a cantilever. The dynamic model of the NES is established by depicting the nonlinear stiffness of the bistable beam to be a cubic function. The vibration attenuation efficiency of the newly proposed NES is analyzed by solving the nonlinear dynamic equations with Runge-Kutta method. A NES prototype is fabricated and the experimental results adequately validated the effectiveness of the proposed nonlinear energy sink. It is shown that the nonlinear energy sink can reduce the main system response by 30% compared with the situation before the bifurcation.
引用
收藏
页码：435 / 438
页数：4
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