Design and experiment of hydraulic amplified direct drive valve based on giant magnetostrictive material

YANG Zhao-shu; HE Zhong-bo; YU Jun-tao; LI Dong-wei

doi:10.13224/j.cnki.jasp.2015.07.032

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Design and experiment of hydraulic amplified direct drive valve based on giant magnetostrictive material

更新时间：2026-07-07

- Design and experiment of hydraulic amplified direct drive valve based on giant magnetostrictive material
- Vol. 30, Issue 7, Pages: 1772-1783(2015)
- 作者机构：
  
  1. 军械工程学院车辆与电气工程系,石家庄,050003
  2. 山东大学 (威海) 机电信息工程学院,山东,威海,264209
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2015.07.032
  CLC：
- Published：2015
- 稿件说明：
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杨朝舒, 何忠波, 俞军涛, 李冬伟. 液压放大式超磁致伸缩直驱式伺服阀的设计与实验[J]. 航空动力学报, 2015, 30(7): 1772-1783.

doi: 10.13224/j.cnki.jasp.2015.07.032
杨朝舒, 何忠波, 俞军涛, 李冬伟. 液压放大式超磁致伸缩直驱式伺服阀的设计与实验[J]. 航空动力学报, 2015, 30(7): 1772-1783. DOI： 10.13224/j.cnki.jasp.2015.07.032.

doi: 10.13224/j.cnki.jasp.2015.07.032 DOI：

摘要

研制了一种基于液压式微位移放大机构的超磁致伸缩直驱式电液伺服阀

在保证较大体积流量的前提下

提高了直驱式电液伺服阀的频响.采用弹性力学理论、有限元和计算流体力学(CFD)方法对直驱式电液伺服阀进行了结构设计和分析

并制作了超磁致伸缩直驱阀样机

在AMESim下建立其磁-机-液耦合模型.仿真和试验表明:所设计的超磁致伸缩直驱阀的频响超过100Hz和系统油压21MPa下的负载体积流量达到30L/min.

Abstract

A novel direct drive electro-hydraulic servo valve was proposed based on magnetostrictive material and hydraulic amplification mechanism. The frequency response of the servo valve was greatly enhanced with a considerable volume flow rate maintained. A series of structure design and analysis were conducted via finite element method and fluid mechanics theory

meanwhile

a prototype of the magnetostrictive direct drive valve was fabricated. A magneto-mechanical-hydro coupled model was established within AMESim environment

both the numerical simulation and experimental result indicated that the proposed magnetostrictive direct drive valve approached a bandwidth higher than 100Hz; the load volume flow rate reached 30L/min under a system pressure of 21MPa.

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Related Institution

Power Engineering Department, Hi-Tech Institute

School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics

Shenyang Aeroengine Research Institute, Aviation Industry Corporation of China

School of Transportation Science and Engineering,Beijing University of Aeronautics and Astronautics

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