Application of non-smooth NES in vibration suppression of rotor-blade systems

被引：35

作者：

Cao, Yanbo ^{[1
]}

Yao, Hongliang ^{[1
]}

Han, Jinchao ^{[1
]}

Li, Zhiao ^{[1
]}

Wen, Bangchun ^{[1
]}

机构：

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

来源：

APPLIED MATHEMATICAL MODELLING | 2020年 / 87卷

基金：

中国国家自然科学基金;

关键词：

Rotor-blade system; Non-smooth NES; Vibration suppression; Absorber; TARGETED ENERGY TRANSFERS; LATERAL VIBRATION; JEFFCOTT ROTOR; ATTENUATION; ABSORBERS; OSCILLATIONS; REDUCTION; DAMPER; SINK;

D O I：

10.1016/j.apm.2020.06.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The non-smooth nonlinear energy sink (NSNES) is used to suppress the vibration of the rotor-blade system. Firstly, the structure and working principle of the NSNES for rotorblade system are introduced. Then, the dynamics model of the rotor-blade-NSNES system is established by Lagrangian method. And then, numerical simulations are applied to evaluate the vibration suppression ability of the NSNES on rotor and blade. The results show that the suppression rates of NSNES on the rotor and the blade can reach 81% and 74% in steady state resonance under given parameters, respectively; and for transient vibration of blade, a 1.85 times dissipating speed is obtained in rotor-blade system with NSNES than that without NSNES. In particular, NSNES has better vibration suppression capability than linear dynamic vibration absorber (LDVA) when both have the same vibration absorption mass. (C) 2020 Elsevier Inc. All rights reserved.

引用

页码：351 / 371

页数：21

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