比例电磁式主动吸振器的设计方法研究

doi:10.3901/JME.2021.19.014

机械工程学报 ›› 2021, Vol. 57 ›› Issue (19): 147-154.doi: 10.3901/JME.2021.19.014

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比例电磁式主动吸振器的设计方法研究

傅涛, 上官文斌, 丁乙, RAKHEJA Subhash, AHMED Waizuddin

华南理工大学机械与汽车工程学院广州 510640

收稿日期:2020-09-09 修回日期:2021-04-14 出版日期:2021-10-05 发布日期:2021-12-13
通讯作者: 上官文斌(通信作者)，男，1963年出生，博士，教授，博士研究生导师。主要研究方向为汽车振动分析方法与控制，汽车设计理论与方法；超弹性、粘弹性、弹塑性建模和复杂耦合系统动力学特性计算分析。E-mail：sgwb@scut.edu.cn
作者简介:傅涛,男,1988年出生,博士研究生。主要研究方向为振动控制。E-mail:futao_phd@163.com
基金资助:
广东省自然科学基金资助项目（2019A1515011612）。

Design of a Proportional Electromagnetic Active Dynamic Vibration Absorber

FU Tao, SHANGGUAN Wenbin, DING Yi, RAKHEJA Subhash, AHMED Waizuddin

School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640

Received:2020-09-09 Revised:2021-04-14 Online:2021-10-05 Published:2021-12-13

摘要/Abstract

摘要： 以电磁铁为作动器，开展了电磁式主动吸振器设计方法的研究。对主动吸振器电磁作动器进行了设计研究，针对基于E型电磁作动器的主动吸振器具有非对称驱动力的问题，设计了一种具有盘形磁极面的比例电磁作动器。采用有限元和试验验证的方法，对电磁作动器在不同磁极面结构参数组合下的电磁力进行了正交仿真计算和验证，以在一定的动铁心位移范围内电磁力波动最小为目标，获得了最优组合的磁极面结构参数。对主动吸振器动质量的动态位移进行了计算分析，并基于主动吸振器的工作频带和目标驱动力，设计了动铁心的静平衡位置。计算了主动吸振器设计刚度值，并分析了刚度参数对吸振器电磁力特性的影响。最后，结合理论计算和试验验证的方法，分析了比例电磁式主动吸振器近似对称的驱动力特性。

关键词: 动力吸振器, 电磁作动器, 比例电磁力, 驱动力

Abstract: A proportional electromagnetic dynamic vibration absorber (EDVA) consisting of a actuator and an elastic element is proposed. The dynamic characteristics of the EDVA show asymmetric variations in driving force, which is due to effect of the changing air gap on magnetic force. The design of the proportional electromagnetic actuator is realized considering the geometric parameters of the core to achieve nearly constant magnetic force over a broad range of its dynamic displacement but proportional to square of the current. The effects of various geometric parameters of the core such as width and slope of the iron core, and the air gaps on the resulting magnetic force characteristics are evaluated using a finite element model, and verified experimentally. The static equilibrium position of moving core is analyzed considering the dynamic displacement characteristics of absorber mass, and the results are obtained considering the demand driving force, operating frequency range and the desired relative displacement range(2～7 mm). The absorber stiffness is discussed rely on the ratio of the magnetic force to the driving force magnitudes. Finally, a prototype proportional EDVA was subsequently designed, and the driving force are calculated and verified experimentally. The results show that the proposed proportional EDVA yields nearly symmetric driving force response.

Key words: dynamic vibration absorber, electromagnetic actuator, proportional electromagnetic force, driving force

中图分类号:

TB535

傅涛, 上官文斌, 丁乙, RAKHEJA Subhash, AHMED Waizuddin. 比例电磁式主动吸振器的设计方法研究[J]. 机械工程学报, 2021, 57(19): 147-154.

FU Tao, SHANGGUAN Wenbin, DING Yi, RAKHEJA Subhash, AHMED Waizuddin. Design of a Proportional Electromagnetic Active Dynamic Vibration Absorber[J]. Journal of Mechanical Engineering, 2021, 57(19): 147-154.

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比例电磁式主动吸振器的设计方法研究

Design of a Proportional Electromagnetic Active Dynamic Vibration Absorber

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