抗磁悬浮静悬浮特性及动态响应研究  

Research on Diamagnetic Levitation Static Levitation Characteristics and Dynamic Response

作　　者：刘保国[1] 赵柠柠 张坤 冯伟[1] LIU Baoguo;ZHAO Ningning;ZHANG Kun;FENG Wei(School of Mechanical and Electrical Engineering,He’nan University of Technology,He’nan Zhengzhou 450001,China)

机构地区：[1]河南工业大学机电工程学院,河南郑州450001

出　　处：《机械设计与制造》2025年第1期218-221,共4页Machinery Design & Manufacture

基　　金：国家自然科学基金(12072106);河南省重点科技攻关资助项目(212102210618);河南工业大学高层次人才科研启动基金项目(2019BS054)。

摘　　要：常温下利用抗磁性实现物质稳定悬浮的抗磁悬浮技术拥有无摩擦、低阻尼、弱刚度与无需外界输入能源的特性,在传感测试领域具有广阔的应用前景。提出了一种由长方体永磁体和圆形高定向热解石墨组成的抗磁悬浮系统,并对悬浮热解石墨片的稳定悬浮进行了理论分析,采用有限元仿真软件COMSOL Multiphysic^(TM)5.5建立了抗磁悬浮系统的仿真模型,分析了系统结构参数对抗磁悬浮系统静悬浮特性的影响,建立了抗磁悬浮系统的动力学模型,研究悬浮热解石墨片对水平外界激励的响应情况,为抗磁悬浮技术的应用研究提供参考依据。Diamagnetic levitation is a technology that uses the diamagnetism to achieve a stable levitation at room temperature.It has the characteristics of frictionless,low damping,weak stiffness and without external energy input,and has broad application prospects in the field of sensing and testing.A diamagnetic levitation system composed of a cuboid permanent magnet and a circu⁃lar highly oriented pyrolytic graphite(HOPG)is proposed,and the stable levitation of the levitated HOPG sheet is theoretically analyzed.The influence of the structural parameters to the static levitation characteristics of the diamagnetic levitation system is analyzed by the finite element simulation model established by COMSOL Multiphysic^(TM)5.5.A dynamic model of the diamagnetic levitation system is established to analyze the response characteristics of the levitated HOPG sheet under the horizontal external ex⁃citation.This work provides a reference for the application research of diamagnetic levitation.

关 键 词：抗磁悬浮 热解石墨片 稳定悬浮 悬浮高度 振动响应 有限元仿真 

分 类 号：TH16[机械工程—机械制造及自动化] TH703TH113.1