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| 超磁致伸缩致动器有限元分析及实验研究 | |
| 引用本文： | 刘德辉,卢全国,陈定方.超磁致伸缩致动器有限元分析及实验研究[J].武汉理工大学学报(交通科学与工程版),2007,31(4):653-655. |
| 作者姓名： | 刘德辉 卢全国 陈定方 |
| 作者单位： | 1. 南昌工程学院机械与动力系,南昌,330006 2. 南昌工程学院机械与动力系,南昌,330006;武汉理工大学智能制造与控制研究所,武汉,430063 3. 武汉理工大学智能制造与控制研究所,武汉,430063 |
| 基金项目： | 湖北省重点实验室开放基金重点项目;湖北省自然科学基金;南昌工程学院青年基金 |
| 摘 要： | 超磁致伸缩致动器的输出性能主要取决于致动器内部磁场分布特性,进行致动器的磁场数值分析,对预估致动器工作性能参数具有重要的意义.文中利用有限元法进行了致动器的磁场分析,并根据磁场分析结果预估了超磁致伸缩致动器静态位移特性.实际测试了致动器的静态特性.实验结果表明所建立的有限元模型及分析方法是合理的. |
| 关 键 词： | 超磁致伸缩致动器 有限元分析 静态特性 |
| 修稿时间： | 2007-02-13 |
Finite Element Analysis and Experiment on GMA |
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| Liu Dehui,Lu Quanguo,Chen Dingfang.Finite Element Analysis and Experiment on GMA[J].journal of wuhan university of technology(transportation science&engineering),2007,31(4):653-655. | |
| Authors: | Liu Dehui Lu Quanguo Chen Dingfang |
| Institution: | Dept. of Mechanical and Engineering, Nanchang Institute of Technology, Nanchang 330006; Institute of Intelligent Manufacturing, Wuhan University of Technology, Wuhan 430063 |
| Abstract: | The output characteristic of GMA mainly depends on the distribution of magnetic field in Giant Magnetostrictive Materials.Therefore,making numerical analysis of magnetic field in GMA is of great significance to estimate the working performance parameters of GMA in advance.An axial symmetry model of GMA is built in this paper.Based on it,the magnetic field of the actuator is analyzed with finite element method,and the extension of giant magnetostrictive rod is calculated according to the analysis results.Finally,the static characteristic of GMA is tested.The experimental results show that the built finite element model and the analysis method are reasonable. |
| Keywords: | giant magnetostrictive actuator finite element analysis static characteristic |
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