基于非对称端部的电磁主动悬架作动器设计与优化

刘伟; 丁仁凯; 汪若尘; 孙杨; 孙东; 杜甫

doi:10.12382/bgxb.2025.0618

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基于非对称端部的电磁主动悬架作动器设计与优化

更新时间：2026-05-06

- 基于非对称端部的电磁主动悬架作动器设计与优化
- Design and Optimization of Electromagnetic Active Suspension Actuator Based on Asymmetric Ends
- 兵工学报 2026年47卷第4期页码：250618
- 作者机构：
  
  江苏大学汽车与交通工程学院，江苏镇江 212013
  江苏大学汽车工程研究院，江苏镇江 212013
  中国北方车辆研究所槐树岭实验室，北京 100072
- 作者简介：
  
  通信作者邮箱：drk@ujs.edu.cn
- 基金信息：
  
  国家重点研发计划项目(2023YFB2504500);国家自然科学基金项目(52472410;52502526);江苏省基础研究计划青年基金项目(BK20250841);江苏省卓越博士后计划项目(2025ZB599)
- DOI：10.12382/bgxb.2025.0618
  中图分类号： TM359.4
- 收稿：2025-06-30，
  
  网络首发：2025-12-25，
  
  纸质出版：2026-04
- 稿件说明：
移动端阅览
刘伟, 丁仁凯, 汪若尘, 等. 基于非对称端部的电磁主动悬架作动器设计与优化[J]. 兵工学报, 2026,47(4):250618.

LIU Wei, DING Renkai, WANG Ruochen, et al. Design and Optimization of Electromagnetic Active Suspension Actuator Based on Asymmetric Ends[J]. Acta Armamentarii, 2026, 47(4): 250618.
刘伟, 丁仁凯, 汪若尘, 等. 基于非对称端部的电磁主动悬架作动器设计与优化[J]. 兵工学报, 2026,47(4):250618. DOI： 10.12382/bgxb.2025.0618.

LIU Wei, DING Renkai, WANG Ruochen, et al. Design and Optimization of Electromagnetic Active Suspension Actuator Based on Asymmetric Ends[J]. Acta Armamentarii, 2026, 47(4): 250618. DOI： 10.12382/bgxb.2025.0618.

摘要

为解决电磁主动悬架用直线电机式电磁作动器平均推力低、推力波动大的问题，提出一种具有非对称端部与辅助槽结构的新型永磁同步直线电机。基于1/4电磁主动悬架模型确定了电机的推力需求，对电机尺寸与结构进行了初步设计，并提出了非对称端部与辅助槽结构；构建直线电机有限元模型，进行参数敏感性分析，确定了对推力性能敏感的电机关键结构参数；分别构建平均推力响应面模型与推力波动Kriging代理模型，并利用改进的非支配排序遗传算法对关键结构参数进行优化；试制直线电机样机并进行了台架试验。试验结果表明：所提电机结构与参数优化方法是有效的。与初始结构相比，优化后的直线电机式电磁作动器的平均推力提升了37.9%，推力波动减小了73.9%，推力性能提升显著。此外，与被动悬架相比，应用该直线电机的电磁主动悬架使得车身加速度与悬架动行程的均方根值分别降低了19.1%与12.5%，车辆乘坐舒适性改善明显。

Abstract

A permanent magnet synchronous linear motor with asymmetric end and auxiliary slots is proposed to solve the problems of low average thrust and large thrust fluctuation of linear motor-type electromagnetic actuator for electromagnetic active suspension. The thrust requirement of the motor is determined based on the 1/4 electromagnetic active suspension model

the preliminary designs of the motor size and structure are made

and an asymmetric end and auxiliary slot structure is proposed. Subsequently

a linear motor finite element model is constructed

and a parameter sensitivity of motor is analyzed to determine the key structural parameters of the motor that are sensitive to the thrust performance. Then

a mean thrust response surface model and a thrust fluctuation Kriging agent model are constructed

and the key structural parameters are optimized using the NGSA-II algorithm. A linear motor prototype is manufactured for a bench test. The test results indicate that the proposed motor structure and parameter optimization method is effective. The average thrust of the optimized linear motor-type electromagnetic actuator is increased by 37.9%

and the thrust fluctuation is reduced by 73.9%

thus significantly improving the thrust performance of the actuator. Furthermore

compared to the passive suspension

this linear motor-based electromagnetic active suspension is used to reduce the root mean square (RMS) values of body acceleration and suspension rattle space by 19.1% and 12.5%

respectively

demonstrating a marked improvement in vehicle ride comfort.

关键词

Keywords

references

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