A new type electrohydraulic servo valve based on magnetic shape memory alloy

被引：0
|
作者：
Tu, Fu-quan [1 ]
Mao, Yang [1 ]
Xu, Ren-bo [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Key Lab Met Equipment & Control Technol, Minist Educ, Coll Machinery & Automat, Wuhan 430080, Peoples R China
来源：
EIGHTH CHINA NATIONAL CONFERENCE ON FUNCTIONAL MATERIALS AND APPLICATIONS | 2014年 / 873卷
关键词：
MSMA actuator; Field coils; Bias magnetic field; Maxwell simulation; FIELD; MODEL;
D O I：
10.4028/www.scientific.net/AMR.873.91
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the magnetically controlled characteristic and shape variation mechanism magnetic shape memory alloys (MSMA) sample are studied through the servo valve actuator based on the MSMA. The MSMA is a new type of functional materials, which has huge driving force and large controllability displacement. The kind of actuator is designed by differential mode of MSMA, employing bias coils to generate biasing magnetic field and applying field coils to provide magnetic field which is controllable. The relationship between displacement of the new actuator and time is got by numerical simulation using Maxwell software Finally, motivated by the simulation results, the rationality of structural design of the new type of actuator is validated.
引用
收藏
页码：91 / 94
页数：4
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