液压放大式超磁致伸缩直驱式伺服阀的设计与实验

杨朝舒; 何忠波; 俞军涛; 李冬伟

doi:10.13224/j.cnki.jasp.2015.07.032

液压放大式超磁致伸缩直驱式伺服阀的设计与实验

doi: 10.13224/j.cnki.jasp.2015.07.032

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

基金项目:

国家自然科学基金(51275525)

详细信息

作者简介:
杨朝舒(1989-),男,吉林长春人,博士生,主要从事车辆机电液控制研究.

中图分类号: V23;TH137
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- 被引次数: 0
出版历程
- 收稿日期: 2013-12-25
- 刊出日期: 2015-07-28

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

1. Vehicle and Electrical Engineering Department, Ordnance Engineering College, Shijiazhuang 050003, China;
2. School of Mechanical, Electrical and Information Engineering, Shangdong University, Weihai, Weihai, Shandong 264209, China

摘要

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.
- 超磁致伸缩材料 /
- 液压放大 /
- 直驱式伺服阀 /
- 有限元法 /
- 电液伺服阀
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.
- giant magnetostrictive material(GMM) /
- hydraulic amplifier /
- direct drive valve(DDV) /
- finite element method(FEM) /
- electro-hydraulic servo valve(EHSV)

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参考文献(18)

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