High linearity electromagnetic actuator using double closed rectangular magnetic circuits for active vibration isolation

被引：0
作者：
Zhao Yamin
Cui Junning [1 ]
Zou Limin
Cheng Zhongyi
Lu Yesheng
机构：
[1] Harbin Inst Technol, Ctr Ultraprecis Optoelect Instrument Engn, Harbin 150080, Peoples R China
来源：
PROCEEDINGS OF 2019 14TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS (ICEMI) | 2019年
基金：
中国国家自然科学基金;
关键词：
electromagnetic actuator; active vibration isolation; double closed rectangular magnetic circuits; magnetic flux density;
D O I：
10.1109/icemi46757.2019.9101799
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Electromagnetic actuators that produce high linearity driving force are key components in active vibration isolation. In this paper, a design of high linearity electromagnetic actuator is proposed. Scheme of double closed magnetic circuits is used to ensure the linearity of magnetic flux density and rectangular structure is adopted to ensure the processing and assembly precision. The magnetic circuits of electromagnetic actuator are modeled using lumped parameter magnetic circuit modeling method, validated by simulation, and optimized to obtain improved performance. Experimental results show that magnetic flux density of 293.2mT and nonlinearity of 0.37% is achieved.
引用
收藏
页码：58 / 64
页数：7
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