Torsional vibration dynamics of a gear-shafting system attaching a nonlinear energy sink

被引：35

作者：

Cao, Yanbo ^{[1
]}

Yao, Hongliang ^{[1
]}

Li, Hui ^{[1
]}

Dou, Jinxin ^{[1
]}

机构：

[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Liaoning, Peoples R China

来源：

MECHANICAL SYSTEMS AND SIGNAL PROCESSING | 2022年 / 176卷

基金：

中国国家自然科学基金;

关键词：

Gear-shafting system; Nonlinear energy sink (NES); Piecewise linear; Torsional vibration suppression; Meshing frequency; LINEAR-OSCILLATOR; ROTOR; SUPPRESSION; MITIGATION; ABSORBERS; NES;

D O I：

10.1016/j.ymssp.2022.109172

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Torsional vibration of a gear-shafting system attaching a nonlinear energy sink (NES) is examined herein. Firstly, a gear-shafting system with two shafts is introduced and then dynamic model of the gear-shafting-NES system is established. Next, numerical simulations of gear-shafting-NES system on both the transient vibration and steady-state vibration are carried out. In the next part, the experimental verification of NES on the steady-state vibration suppression of the gear shafting system is given. Incidentally, influences of the NES on the meshing frequency of gear pair are also studied. The results show that the steady-state vibration suppression rate of NES can reach 76.4% in simulation and 81.7% in test, and also the NES can inhibit the torsional vibration of the gear-shafting system even when it is not on the shaft of excitation source.

引用

页数：21

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