磁流变液阻尼器分阶段建模与流道参数敏感性分析

doi:10.3901/JME.2022.11.143

机械工程学报 ›› 2022, Vol. 58 ›› Issue (11): 143-155.doi: 10.3901/JME.2022.11.143

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磁流变液阻尼器分阶段建模与流道参数敏感性分析

李嘉豪¹, 张永浩¹, 杜新新¹, 卢军², 李星照², 廖昌荣¹

1. 重庆大学光电技术及系统教育部重点实验室重庆 400040;
2. 中国核动力研究设计院二所成都 610213

收稿日期:2021-06-04 修回日期:2022-03-08 出版日期:2022-06-20 发布日期:2022-08-08
通讯作者: 廖昌荣(通信作者),男,1965年出生,博士,教授,博士研究生导师。主要研究方向为磁流变装置,振动冲击隔离技术。E-mail:crliao@cqu.edu.cn
作者简介:李嘉豪,男,1999年出生。主要研究方向为振动控制。E-mail:841121742@qq.com
基金资助:
国家自然科学基金（62073050）和中央高校基础研究（2020CDCGGD009）资助项目

On Phase Modeling and Channel Parameters Sensitivity Analysis for Magnetorheological Fluid Damper

LI Jiahao¹, ZHANG Yonghao¹, DU Xinxin¹, LU Jun², LI Xingzhao², LIAO Changrong¹

1. Key Lab. of Optoelectronic Technology and Systems under Ministry of Education, Chongqing University, Chongqing 400040;
2. The Second Branch under Nuclear Power Institute of China, Chengdu 610213

Received:2021-06-04 Revised:2022-03-08 Online:2022-06-20 Published:2022-08-08

摘要/Abstract

摘要： 作为电流调节阻尼参数的器件，磁流变液阻尼器在车辆悬架减振和航空振动隔离等领域具有广泛的应用前景。针对磁流变液阻尼器非牛顿流体建模，其存在不能预测阻尼器速度特性中存在滞回效应的问题，以及目前缺乏流道参数对阻尼器调节范围影响的研究。分析了环形流道混合工作模式下磁流变液的链化特征，采用了颗粒链化模型推导了预屈服阶段下的理论阻尼力表达式；利用Newton流体模型与Herschel-Bulkley模型分别描述无磁化区域与磁化区域磁流变液的本构关系，推导理论阻尼力表达式，在应用有限元方法对磁路仿真分析的基础上，建立了基于流道加权平均磁场叠加集成模型。根据研究的结果，设计并制作了磁流变液阻尼器，使用MTS试验机验证了预屈服阶段的颗粒链化模型与屈服阶段的准静态模型的有效性；利用预屈服链化模型与叠加集成模型分析了线圈匝数、活塞速度、阻尼流道间隙、阻尼流道长度等参数对磁流变液阻尼器调节范围的影响。研究表明，预屈服阶段的颗粒链条模型能够有效地预测速度特性的滞回效应，屈服阶段的叠加集成模型能够有效地预测其示功特性，线圈匝数与阻尼流道长度相对其他参数影响对阻尼器调节范围影响更为显著，为同类型设计提供有效参考。

关键词: 磁流变液阻尼器, 滞回效应, 颗粒链化, 集成模型, 流道参数

Abstract: As a device of current adjusting damping parameters, Magnetorheological fluid damper have a wide application prospect in vehicle suspension vibration reduction and aviation vibration isolation. As the traditional modeling method, the non-Newtonian fluid modeling for magnetorheological fluid dampers is difficult to predict the hysteresis effect in force-velocity curves and recent researches about the influence of flow parameters on the damper performance are inadequate. The chain characteristics of Magnetorheological fluid under mixed operating mode are analyzed, and the theoretical damping force expression under the pre-yield stage is derived by using the particle chain model. The Newtonian fluid model and Herschel-Bulkley model are respectively used to describe the constitutive relationship of the magnetorheological fluid in the non-magnetized region and the magnetized region, and then the theoretical damping force expression is derived. At the same time, based on the finite element analysis of the magnetic circuit simulation, an integrated model is formed by using the hypothesis of weighted mean magnetic field flow channel. A magnetorheological fluid damper is designed and fabricated. The validity of the particle chain model in the pre-yield phase and the quasi-static model in the yield phase were verified by using MTS testing machine. Using the above model, the influences of the parameters such as the number of coil turns, piston velocity, damping channel clearance and damping channel length on the adjusting range of magnetorheological fluid damper are analyzed. The results show that the particle chain model in the pre-yield stage can effectively predict the hysteretic effect, and the quasi-static model in the yield stage can effectively predict the indicator characteristics, and the coil turns and the length of the damping channel have more significant effects than other parameters, which provides a reference for the design of the same type of magnetorheological fluid dampers.

Key words: magnetorheological fluid damper, hysteresis effect, particle chain model, integration model, channel parameter

中图分类号:

TH113

李嘉豪, 张永浩, 杜新新, 卢军, 李星照, 廖昌荣. 磁流变液阻尼器分阶段建模与流道参数敏感性分析[J]. 机械工程学报, 2022, 58(11): 143-155.

LI Jiahao, ZHANG Yonghao, DU Xinxin, LU Jun, LI Xingzhao, LIAO Changrong. On Phase Modeling and Channel Parameters Sensitivity Analysis for Magnetorheological Fluid Damper[J]. Journal of Mechanical Engineering, 2022, 58(11): 143-155.

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磁流变液阻尼器分阶段建模与流道参数敏感性分析

On Phase Modeling and Channel Parameters Sensitivity Analysis for Magnetorheological Fluid Damper

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