Novel bidirectional linear actuator for electrohydraulic valves

被引：24

作者：

Li, QP ^{[1
]}

Ding, F ^{[1
]}

Wang, CL ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Fluid Power Transmiss & Control, Hangzhou, Zhejiang, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 06期

关键词：

electrohydraulic valves; electromagnetic actuator; finite-element analysis; high pressure; permanent magnets;

D O I：

10.1109/TMAG.2005.847632

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：

This paper presents a permanent-magnet actuator with bidirectional and high levels of linear force over short strokes. The actuator can be used in electrohydraulic valves. Its static and dynamic performances were analyzed by using two-dimensional finite-element magnetic field solutions that take into account the nonlinearity of the material. The measured and simulated results are highly consistent. Experimental results show that the prototype actuator can produce a force of +/- 60 N, its nonlinearity is less than 0.5%, and the hysteresis is less than 2% within a stroke of +/- 1 mm. The actuator's frequency response (-3 dB) can reach 150 Hz.

引用

页码：2199 / 2201

页数：3

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