The design of negative stiffness spring for precision vibration isolation using axially magnetized permanent magnet rings

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成果类型：

期刊论文

作者：

Zhou, Zhenhua*;Chen, Shuhan;Xia, Dun;He, Jianjun;Zhang, Peng

通讯作者：

Zhou, Zhenhua

作者机构：

[Zhou, Zhenhua; Chen, Shuhan; Xia, Dun; He, Jianjun; Zhang, Peng] Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410114, Hunan, Peoples R China

[Zhou, Zhenhua; Chen, Shuhan; Xia, Dun; He, Jianjun; Zhang, Peng] Changsha Univ Sci & Technol, Educ Dept Hunan Prov Key Lab Lightweight & Reliab, Changsha, Hunan, Peoples R China

[Zhou, Zhenhua] Changsha Univ Sci & Technol, Hunan Prov Key Lab Intelligent Mfg Technol High P, Changsha, Hunan, Peoples R China

通讯机构：

[Zhou, Zhenhua] C

Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Negative stiffness;precision vibration isolation;permanent magnetic spring;uniformity negative stiffness characteristic;high-static-low-dynamic stiffness

期刊：

Journal of Vibration and Control

ISSN：

1077-5463

年：

2019

卷：

期：

19-20

页码：

2667-2677

DOI：

10.1177/1077546319866035

基金类别：

Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2016JJ3005]; Research Fund of Hunan Provincial Education DepartmentHunan Provincial Education Department [15C0038]; Research Fund of Key Laboratory of Lightweight and Reliability Technology for Engineering Vehicle, Education Department of Hunan Province [2014kfjj04]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51705034]

机构署名：

本校为第一且通讯机构

院系归属：

汽车与机械工程学院

摘要：

A negative stiffness element is always employed to generate high-static–low-dynamic stiffness characteristic of the vibration isolator, reduce the resonance frequency of the isolator, and improve the vibration isolation performance under low and ultra-low frequency excitation. In this paper, a new compact negative stiffness permanent magnetic spring (NSPMS) that is composed of two axial-magnetized permanent magnetic rings is proposed. An analytical expression of magnetic negative stiffness of the NSPMS is deduced by using the Coulombian model....

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The design of negative stiffness spring for precision vibration isolation using axially magnetized permanent magnet rings

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