新型磁流变-剪切增稠阻尼器的力学模型及试验研究

doi:10.3901/JME.2023.16.418

机械工程学报 ›› 2023, Vol. 59 ›› Issue (16): 418-426.doi: 10.3901/JME.2023.16.418

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新型磁流变-剪切增稠阻尼器的力学模型及试验研究

杨三锋, 黄向明, 明阳, 任莹晖

湖南大学机械与运载工程学院长沙 410082

收稿日期:2022-09-01 修回日期:2022-12-25 出版日期:2023-08-20 发布日期:2023-11-15
通讯作者: 黄向明(通信作者),男,1971年出生,博士,教授,博士研究生导师。主要研究方向为工业工程以及精密制造工程。E-mail:h_xiangming@aliyun.com
作者简介:杨三锋,男,1996年出生。主要研究方向为磁流变剪切增稠流体减振机理及应用。E-mail:ysf789502@hnu.edu.cn
基金资助:
国家自然科学基金资助项目(52375423,51975203)。

Mechanical Model and Experimental Study of a Novel Magnetorheological Shear Thickening Damper

YANG Sanfeng, HUANG Xiangming, MING Yang, REN Yinghui

College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082

Received:2022-09-01 Revised:2022-12-25 Online:2023-08-20 Published:2023-11-15

摘要/Abstract

摘要： 针对阻尼器的主被动控制特性的需求，利用磁流变剪切增稠协同效应的流变机理，提出并设计磁流变-剪切增稠阻尼器。试验制备磁流变-剪切增稠流体，测试其流变特性，并基于Cross模型与LM算法建立其表观黏度模型。通过磁场磁路的仿真优化，设计并研制新型双出杆磁流变-剪切增稠阻尼器。结合上述研究，建立该阻尼器的力学模型，并对其阻尼力进行动态性能测试。测试结果表明，阻尼器在110m T磁场的主动控制下，提升34.3%阻尼力峰值；随着振荡频率增加，可以提升至少64.2%的阻尼力。同时，验证了阻尼特性力学模型预测的有效性，最大误差为8.9%。

关键词: 磁流变剪切增稠流体, 智能流体阻尼器, 力学模型, LM算法, 结构设计

Abstract: In order to meet the requirements of active and passive control characteristics of the damper, a magnetorheological shear thickening damper is proposed and designed based on the rheological mechanism of synergistic effect of magnetorheological shear thickening. The magnetorheological shear thickened fluid are prepared and their rheological properties of tested, and the apparent viscosity model is established based on the Cross model and the LM algorithm. A novel magnetorheological shear thickening damper（MRSTD） is designed and developed by the simulation and optimization of magnetic field circuit. Combined with the above research,the mechanical model of MRSTD is established, and the dynamic performance of its damping force is tested. The results show that under the active control of 110 mT magnetic field, the damper can increase the peak damping force by 34.3%. With the increase of oscillation frequency, the damping force can be increased by at least 64.2%. What’s more, the validity of the prediction of damping characteristics by the mechanical model is verified, and the maximum error is 8.9%.

Key words: magnetorheological shear thickening fliud（MRSTF）, smart damper, damping mechanical model, LM algorithm, structural design

中图分类号:

TH164

杨三锋, 黄向明, 明阳, 任莹晖. 新型磁流变-剪切增稠阻尼器的力学模型及试验研究[J]. 机械工程学报, 2023, 59(16): 418-426.

YANG Sanfeng, HUANG Xiangming, MING Yang, REN Yinghui. Mechanical Model and Experimental Study of a Novel Magnetorheological Shear Thickening Damper[J]. Journal of Mechanical Engineering, 2023, 59(16): 418-426.

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新型磁流变-剪切增稠阻尼器的力学模型及试验研究

Mechanical Model and Experimental Study of a Novel Magnetorheological Shear Thickening Damper

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