筒式磁流变液联轴器的机理模型及特征解

王贡献 张宇 胡志辉 周鹏中

doi:10.3969/j.issn.1000-565X.2015.06.008

华南理工大学学报(自然科学版) >

2015 , Vol. 43 >Issue 6: 48 - 55

DOI: https://doi.org/10.3969/j.issn.1000-565X.2015.06.008

机械工程

筒式磁流变液联轴器的机理模型及特征解

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武汉理工大学物流工程学院，湖北武汉 430063

王贡献(1976-)，男，博士，副教授，主要从事结构动力学和实验研究． E-mail: wgx@ whut． edu． cn

收稿日期: 2014-09-25

修回日期: 2015-03-27

网络出版日期: 2015-05-04

基金资助

国家自然科学基金资助项目(51275369)

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Theoretical Model and Eigen Solutions of Cylindrical Magnetorheological Fluid Couplings

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School of Logistics Engineering，Wuhan University of Technology，Wuhan 430063，Hubei，China

王贡献(1976-)，男，博士，副教授，主要从事结构动力学和实验研究． E-mail: wgx@ whut． edu． cn

Received date: 2014-09-25

Revised date: 2015-03-27

Online published: 2015-05-04

Supported by

Supported by the National Natural Science Foundation of China(51275369)

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摘要

以筒式磁流变液联轴器为研究对象，建立了考虑最大传递扭矩、转矩可调倍数、相位转差、稳定时间和设计外形尺寸等性能特征的磁流变液联轴器的非线性系统动力学模型，给出了联轴器性能指标的理论显性特征解，并基于此组特征解对 MＲF-132DG 磁流变液联轴器的参数设计和性能评估进行实例分析．结果表明，所提出的机理模型和特征解具有更明确的物理意义，避免了数学模型繁琐的数值求解和实验性能参数拟合曲线分析过程，为类似结构磁流变液联轴器的设计和特性分析提供了更直接的指导和借鉴．

关键词： 磁流变液联轴器; 相位转差; 传递扭矩; 可调倍数; 机理模型; 特征解

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王贡献张宇胡志辉周鹏中 . 筒式磁流变液联轴器的机理模型及特征解[J]. 华南理工大学学报(自然科学版), 2015 , 43(6) : 48 -55 . DOI: 10.3969/j.issn.1000-565X.2015.06.008

Abstract

A nonlinear system dynamics model of cylindrical magnetorheological fluid (MRF) couplings，which considers such properties as the maximum transmission torque，the adjustable torque multiple，the phase difference of angular velocity，the stabilization time and the designed coupling dimension，is established，and the dominant eigen solutions reflecting the property indicators of the couplings is presented． Based on the eigen solutions，the dimension and properties of a MRF-132DG coupling are designed and evaluated． The results show that the proposed theoretical model and eigen solutions possess definite physical meanings，thus avoiding complicated numerical analysis of mathematical models and complex curve fitting of experimental property parameters． This research provides direct guidance and reference for the design and property analysis of MＲF couplings with the structure similar to MRF-132DG．

Key words： magnetorheological fluid coupling; phase difference of angular velocity; transmission torque; adjust-able multiple; theoretical model; eigen solution

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