| 双相对置超磁致伸缩驱动器输出位移的有限元分析 |
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| 引用本文： | 王新华,肖峰,王思民,马永超.双相对置超磁致伸缩驱动器输出位移的有限元分析[J].机械设计与制造,2009(2). |
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| 作者姓名： | 王新华 肖峰 王思民 马永超 |
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| 作者单位： | 北京工业大学,机械工程与应用电子技术学院,北京,100124 |
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| 基金项目： | 国家自然科学基金，北京市自然科学基金，北京市教委科技发展计划 |
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| 摘 要： | 为了充分发挥超磁致伸缩材料的性能,提高超磁致伸缩驱动器的输出特性,提出了一种双相对置超磁致伸缩新型驱动器,介绍了新型驱动的结构组成与工作原理.在建立双相对置超磁致伸缩驱动器轴对称模型基础上,利用有限元法对驱动器的磁场分布进行了分析,并通过数值积分方法计算在不同励磁电流激励下超磁致伸缩棒的伸长量,并最终计算出驱动器的输出位移,根据计算结果对驱动器的线性工作范围做出了有效的估计.结果表明,新型驱动器具有更好的输出线性度和更大的输出位移.
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| 关 键 词： | 双相对置 超磁致伸缩驱动器 有限元 数值积分 柔性铰链 |
Finite element analysis for output displacement of diphase oppositing giant magnetostrictive actuator |
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| WANG Xin-hua,XIAO Feng,WANG Si-min,MA Yong-chao.Finite element analysis for output displacement of diphase oppositing giant magnetostrictive actuator[J].Machinery Design & Manufacture,2009(2). |
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| Authors: | WANG Xin-hua XIAO Feng WANG Si-min MA Yong-chao |
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| Affiliation: | College of Mechanical Engineering & Applied Electronics Technology;Beijing University of Technology;Beijing 100124;China |
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| Abstract: | In order to make full use of advantages of giant magnetostrictive material and to improve output characteristics of giant magnetostrictive actuator,a new type of diphase oppositing giant magne-tostrictive actuator is developed and its structure,constituent as well as operating principle is introduced.Based on establishing axisymmetric model of the diphase oppositing giant magnetostrictive actuator,finite element method is applied to analyze its magnetic-field distribution and numerical method of integration... |
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| Keywords: | Diphase oppositing Giant magnetostrictive actuator Finite element method Numerical integration Flexure hinge |
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