Modeling and analysis of magnetic field distribution for stack giant magnetostrictive actuator

2017 ◽  
Vol 25 (9) ◽  
pp. 2347-2358 ◽  
Author(s):  
何忠波 HE Zhong-bo ◽  
荣 策 RONG Ce ◽  
李冬伟 LI Dong-wei ◽  
薛光明 XUE Guang-ming ◽  
郑佳伟 ZHENG Jia-wei
Keyword(s):  
Magnetic Field ◽  
Field Distribution ◽  
Magnetic Field Distribution ◽  
Modeling And Analysis ◽  
Magnetostrictive Actuator

The Influencing Factors on the Axial Magnetic Field Distribution Characteristics of GMA

2010 ◽  
Vol 139-141 ◽  
pp. 801-804
Author(s):  
Xiao Yang Jiang ◽  
Quan Guo Lu ◽  
Ding Fang Chen ◽  
Meng Lun Tao ◽  
Min Zhou
Keyword(s):  
Magnetic Field ◽  
Influencing Factors ◽  
Field Distribution ◽  
Optimization Design ◽  
Axial Magnetic Field ◽  
Magnetic Field Distribution ◽  
Distribution Characteristics ◽  
Output Performance ◽  
Magnetostrictive Actuator ◽  
Bottom Cover

. A direct aspect of influencing giant magnetostrictive actuator's output performance is the driving magnetic field characteristics. Therefore, research on the influencing factors on the axial magnetic field distribution characteristics of giant magnetostrictive actuator is of great significance in the design. This paper analyzes the importance of the axial magnetic field distribution characteristics, analyzes the driving magnetic field using finite element method based on a designed giant magnetostrictive actuator, studies the affections of coil height, coil shape , magnetic block material, shell material , skeleton material, bottom cover material and output shaft material on the axial magnetic field distribution characteristics and reaches some conclusions about the influencing factors on the axial magnetic field distribution characteristics of giant magnetostrictive actuator. According to this paper, it provides the guidance for the optimization design of the driving magnetic field of the giant magnetostrictive actuator.

Magnetic Field Distribution in Aperture of TEM Horn Antenna for Close Proximity RF Immunity Test by Impulsive Excitation Wave

2020 ◽  
Vol 140 (12) ◽  
pp. 601-602
Author(s):  
Gen Kawakami ◽  
Ken Kawamata ◽  
Shinobu Ishigami ◽  
Takeshi Ishida ◽  
Katsushige Harima ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Distribution ◽  
Horn Antenna ◽  
Magnetic Field Distribution ◽  
Excitation Wave ◽  
Impulsive Excitation ◽  
Close Proximity ◽  
Tem Horn
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