融合磁势矢模型和等效面电流模型的电磁直线驱动装置解析建模方法

doi:10.3901/JME.2024.20.261

机械工程学报 ›› 2024, Vol. 60 ›› Issue (20): 261-270.doi: 10.3901/JME.2024.20.261

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融合磁势矢模型和等效面电流模型的电磁直线驱动装置解析建模方法

李波, 江金昊, 葛文庆, 王赓, 谭草, 陆佳瑜

山东理工大学交通与车辆工程学院淄博 255000

收稿日期:2023-09-22 修回日期:2024-05-17 出版日期:2024-10-20 发布日期:2024-11-30
通讯作者: 葛文庆,男,1969年出生,博士,教授,博士研究生导师。主要研究方向为智能与新能源汽车底盘线控技术。E-mail:gwq@sdut.edu.cn
作者简介:李波,男,1986年出生,博士,教授,博士研究生导师。主要研究方向为智能与新能源汽车底盘线控技术。E-mail:libo@sdut.edu.cn
基金资助:
国家自然科学基金(52375105,51975341);山东省优秀青年人才基金(ZR2022YQ51);山东省的重大科技创新工程(2021CXGC010703)和山东省高等学校“青创科技计划”团队(2019KJB027)资助项目。

Analytical Modeling Method of Electromagnetic Linear Drive Device Combining Magnetic Potential Vector Model and Equivalent Surface Current Model

LI Bo, JIANG Jinhao, GE Wenqing, WANG Geng, TAN Cao, LU Jiayu

School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000

Received:2023-09-22 Revised:2024-05-17 Online:2024-10-20 Published:2024-11-30

摘要/Abstract

摘要： 为进一步提高动圈式电磁直线驱动装置电磁场解析模型求解精度，提出研究此类电磁驱动装置的混合解析建模方法。采用磁势矢模型与等效面电流模型相融合的混合解析模型研究了驱动装置的电磁特性，引入径向磁通密度修正系数对单一磁势矢模型进行修正，结合动圈式电磁直线驱动装置电磁场边界条件建立较为精确的驱动装置电磁特性数学模型，并最终得到气隙处磁场的分布规律以及电磁力-行程函数。有限元仿真及试验的结果表明，相较于单一磁势矢模型，混合模型具有更高的求解精度，修正前后电磁力最大求解误差分别为6.9%及2.8%，相对误差下降了4.1%，证明了该修正方法的有效性；试验结果与解析模型结果的误差小于2.5%，验证了解析模型的正确性与精确性。该方法为实现电磁直线驱动装置的模块化设计和无位移传感器控制奠定了理论基础，对丰富和发展全电集成动力系统控制方法有较好的理论意义和工程应用价值。

关键词: 电磁直线驱动装置, 混合解析模型, 磁势矢模型, 等效面电流模型

Abstract: A hybrid analytical modeling method for moving coil electromagnetic linear drive device is proposed. The model is used to further improve the electromagnetic field analytical model accuracy of the drive device. The hybrid analytical model combines the magnetic potential model and the equivalent surface current model to research the electromagnetic characteristics of the driving device. Define radial flux density correction coefficient to modify the single magnetic potential vector model. Use electromagnetic field boundary conditions of moving coil electromagnetic linear drive device to establish a more accurate electromagnetic characteristics mathematical model. Finally, obtain the distribution law of magnetic field in the air gap and the electromagnetic force - travel function. The FEM and experimental results show that the hybrid model is more accurate compared with the single magnetic potential model. After modification, the maximum error of thrust solution is reduced from 6.9% to 2.8% and the solution accuracy is improved by 4.1%, which prove the validity of the modified method. The error between the experiment and the analytical results is less than 2.5%, which verifies the correctness and accuracy of the analytical model. This method provides a theoretical basis for the modular design of electromagnetic linear drive device and the sensorless control, and enrich the control method of all-electric integrated drive system.

Key words: electromagnetic linear drive device, hybrid analytical model, magnetic potential vector model, equivalent surface current model

中图分类号:

TM359

李波, 江金昊, 葛文庆, 王赓, 谭草, 陆佳瑜. 融合磁势矢模型和等效面电流模型的电磁直线驱动装置解析建模方法[J]. 机械工程学报, 2024, 60(20): 261-270.

LI Bo, JIANG Jinhao, GE Wenqing, WANG Geng, TAN Cao, LU Jiayu. Analytical Modeling Method of Electromagnetic Linear Drive Device Combining Magnetic Potential Vector Model and Equivalent Surface Current Model[J]. Journal of Mechanical Engineering, 2024, 60(20): 261-270.

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融合磁势矢模型和等效面电流模型的电磁直线驱动装置解析建模方法

Analytical Modeling Method of Electromagnetic Linear Drive Device Combining Magnetic Potential Vector Model and Equivalent Surface Current Model

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