| 激励电流对超磁致伸缩换能器动态特性的影响 |
| |
| 引用本文： | 涂林,龙士国,杨伟.激励电流对超磁致伸缩换能器动态特性的影响[J].微计算机信息,2011(10):59-61. |
| |
| 作者姓名： | 涂林 龙士国 杨伟 |
| |
| 作者单位： | 湘潭大学材料与光电物理学院; |
| |
| 基金项目： | 基金申请人:龙士国;项目名称:便携式桥梁声波多参数CT检测装备的研制及应用;基金颁发部门:湖南省科技厅(2010GK3029) |
| |
| 摘 要： | 本文研究了不同激励电流脉冲宽度对超磁致伸缩换能器输出位移动态特性的影响。利用有限元分析软件ANSYS建立了超磁致伸缩换能器的二维轴对称有限元模型。通过压磁-压电比拟法,对不同激励电流脉冲宽度下不同发射头质量的超磁致伸缩换能器输出位移动态特性进行了模拟研究。结果表明:激励电流脉冲宽度大小不仅直接决定超磁致伸缩换能器瞬态输出位移的大小,而且决定超磁致伸缩换能器的最佳工作状态。此研究结果为超磁致伸缩换能器的优化与应用奠定了基础。
|
| 关 键 词： | 超磁致伸缩换能器 激励电流 动态特性 输出位移 |
Effect of the exciting current on the dynamic performance of giant magnetostrictive transducer |
| |
| TU Lin LONG Shi-guo YANG Wei.Effect of the exciting current on the dynamic performance of giant magnetostrictive transducer[J].Control & Automation,2011(10):59-61. |
| |
| Authors: | TU Lin LONG Shi-guo YANG Wei |
| |
| Affiliation: | TU Lin LONG Shi-guo YANG Wei(Department of Optoelectronics & Physics,Xiangtan University,Xiangtan,Hunan 411105,China) |
| |
| Abstract: | In this paper,effect of the exciting current width on the dynamic performance of giant magnetostrictive transducer output displacement was studied.The 2D model of a magnetostrictive transducer was established based on the ANSYS software.Dynamic performance of the different vibrating mass magnetostrictive transducer output displacement under different current pulse width were studied by analogy method between piezoelectric and piezomagnetic.The results indicated that both the transient output displacement an... |
| |
| Keywords: | giant magnetostrictive transducer exciting current dynamic performance output displacement |
| 本文献已被 CNKI 等数据库收录！ |
