An integrated nonlinear passive vibration control system and its vibration reduction properties

被引：81

作者：

Jiang, Guoqing ^{[1
]}

Wang, Yu ^{[1
]}

Li, Fengming ^{[1
]}

Jing, Xingjian ^{[2
]}

机构：

[1] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin, Peoples R China

[2] Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Peoples R China

来源：

JOURNAL OF SOUND AND VIBRATION | 2021年 / 509卷

基金：

中国国家自然科学基金;

关键词：

Passive vibration control; Joint vibration reduction; Nonlinear vibration isolation; Vibration absorption; Nonlinear energy sink; QUASI-ZERO-STIFFNESS; ISOLATOR; BEAM; SUPPRESSION; PERFORMANCE; DESIGN;

D O I：

10.1016/j.jsv.2021.116231

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A novel integrated nonlinear passive vibration control system with the function of vibra-tion isolation and absorption is proposed by applying a bio-inspired isolator and a non-linear energy sink (NES). The designed integrated system has excellent vibration isolation capability in the low-frequency bands and can decrease the resonance amplitude simulta-neously. The nonlinear dynamic model of the integrated passive vibration control system is established. The displacement transmissibility is employed to evaluate the vibration reduc-tion performance of the integrated system by the harmonic balance method. The coupling mechanism of vibration isolation and absorption is revealed through studying the effects of the parameters on the vibration isolation and absorption performance. It is found that due to the nonlinear weak coupling between the bio-inspired isolator and the NES, they can promote each other in the vibration isolation and absorption. Experiments are con-ducted to validate the advantageous vibration reduction properties of the system. And the design methodology of the integrated passive vibration control system is also elaborated for practical applications. The integrated nonlinear passive vibration control system would provide an innovative method for vibration control in various engineering practice. (c) 2021 Elsevier Ltd. All rights reserved.

引用

页数：20

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