传感技术学报2017，Vol.30Issue(6)：814-819,6.DOI:10.3969/j.issn.1004-1699.2017.06.002
考虑磁场分布的精密磁致伸缩驱动器的涡流损耗特性研究
Study on Eddy Current Loss Characteristics of Precision Giant Magnetostrictive Actuator Considering Magnetic Field Eddy
摘要
Abstract
In order to accurately calculate eddy current loss of the rod-shaped giant magnetostrictive material,improve the giant magnetostrictive actuator control accuracy of displacement,established a eddy current loss model of rod GMM that considering the skin effect.Firstly,deduced the traditional eddy current loss of rod-shaped GMM,then discussed the influence of the skin effect for the inside magnetic field distribution of GMM rod,finally analyzed the temperature characteristics of GMA throught the comsol multiphysics finite element numerical analysis method and experiment. Compared with traditional eddy current loss,under low frequency the two methods has same result,but under high fre-quency the new model can be more accurately calculate the eddy current loss of rod-shaped GMM.The research result has a great significance for improving the control precision and advancing the study of eddy current loss of GMA.关键词
磁致伸缩执行器/涡流损耗/温度特性/涡流效应Key words
giant magnetostrictive actuator/eddy current loss/temperature characteristics/eddy current effect分类
信息技术与安全科学引用本文复制引用
刘慧芳,王汉玉,杨国哲,张禹..考虑磁场分布的精密磁致伸缩驱动器的涡流损耗特性研究[J].传感技术学报,2017,30(6):814-819,6.基金项目
国家自然科学基金项目(51305277) （51305277）
教育部博士点科研基金项目(20132102120007) （20132102120007）
沈阳市科技计划项目(F15-199-1-14) （F15-199-1-14）
中国博士后科学基金特别项目( 2014T70261) （ 2014T70261）
