摘要
基于超磁致伸缩材料的磁致伸缩效应,研制一种具有可控微位移功能的超磁致伸缩驱动器,并对外加预压力下该驱动器的微位移特性进行了实验研究。采用位移传感器、数据采集卡、驱动电源等,搭建超磁致伸缩驱动器的微位移性能测试台,实验研究在外加电流、预压力下,超磁致伸缩驱动器的输出位移与外加电流的关系。研究结果表明:在外加预压力为0~300 N时,驱动器的输出位移随外加电流的增加而增加;而在外加预压力为300~400 N时,超磁致伸缩驱动器的输出位移随输入电流的增大而减小。
Based on the magnetostrictive effect of giant magnetostrictive material,an intelligent micro-displacement actuator was designed and its structure and working principle were discussed.In order to further explore the output micro-displacement characteristics of the designed giant magnetostrictive actuator,a corresponding output micro-displacement testing system was built.The results show that the output micro-displacement of the actuator reaches the maximum when the pre-pressure reaches 300 N in a certain range.The output micro-displacement increases with the increase of the input current when the pre-pressure is less than 300 N and the output micro-displacement decreases when the pre-pressure exceeds 300 N.
作者
成玫
邱冶
刘旭辉
简震
丁志娟
张远方
CHENG Mei;QIU Ye;LIU Xuhui;JIAN Zhen;DING Zhijuan;ZHANG Yuanfang(School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418,China)
出处
《机床与液压》
北大核心
2020年第8期78-80,共3页
Machine Tool & Hydraulics
基金
国家自然科学基金面上项目(51675345)
上海市自然科学基金(16ZR1435800)。
关键词
超磁致伸缩驱动器
微位移特性
测试系统
Giant magnetostrictive actuator
Micro-displacement characteristics
Test system
