Cited by 25Vibration Control and Rheological FluidsVibration and Dynamic AnalysisMagnetic Bearings and Levitation Dynamics

Magnetic Nonlinear Energy Sink for Vibration Attenuation of Unbalanced Rotor System

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Yao, Hongliang, Zheng, Dasheng, Wen, Bangchun·2017·Shock and Vibration

Abstract

A novel nonlinear energy sink (NES) consisting of permanent magnetic springs and coil springs is proposed, and the vibration attenuation performance of the NES for unbalanced rotor system is investigated. Firstly, the nonlinearity of the magnet spring is analyzed and the structure of the NES is introduced. Then, the dynamic model of the rotor system with the NES is built, and the responses and stabilities of the system are studied by applying Complexification-averaging method. The strongly modulated responses (SMR) behavior, which is the most important performance characteristic of the NES, is analytically studied by combining Complexification-averaging method and multiscale method and numerically verified by Runge-Kutta method. The results show that the NES is effective in attenuating the vibration of unbalanced rotor, and the SMR occurrence range can be broadened by increasing the nonlinearity of the NES. And also, the NES has better performance over a wider frequency range than the linear absorber.

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Crossref · 10.1155/2017/4132607

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Authors
Yao, H., Zheng, D., & Wen, B.
Affiliations
Northeastern University (CN)
Corresponding author
Yao, Hongliang
Venue
Shock and Vibration
Publisher
Wiley
Published
2017
Volume
2017
Pages
1-15
ISSN
  • 1070-9622 (ISSN-L)
  • 1875-9203
OpenAlex
W2775582077
Cited by
25
References
26
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 1 · 2020: 5 · 2019: 4 · 2018: 1
FWCI
2.86
Type
journal article
Language
en
Open access
Locations
  • Shock and Vibration (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Natural Science Foundation of China (51475085)
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Vibration Control and Rheological Fluids
  • Physical Sciences › Engineering › Control and Systems Engineering › Vibration and Dynamic Analysis
  • Physical Sciences › Engineering › Control and Systems Engineering › Magnetic Bearings and Levitation Dynamics
Keywords
nonlinear energy sink, helical springs, rotor unbalance, strongly modulated response, complexification-averaging method, multiscale methods, nonlinear vibration absorber

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