Electro-hydraulic servo valve

With the development of computer-aided test ( CAT ) technique , the test technique of electro-hydraulic servo valve has made a great progress , also gone up to a new high level with the appearance of virtual instruments technique .

随着计算机辅助测试（CAT）技术的发展，电液伺服阀性能测试技术取得了很大进步，而虚拟仪器技术的出现，更使电液伺服阀性能测试技术达到了一个新的高度。

Application of electro-hydraulic servo valve control in three-dimensional CNC pipe bending machine

电液伺服阀在三维数控弯管系统中的应用研究

Realize Control of the Electro-hydraulic Servo Valve by Using Computer Technology

利用计算机技术实现对电液伺服阀的控制

The Electro-hydraulic Servo Valve with High Response Based on New Type Function Materials

基于新型功能材料的高频响电液伺服阀

Research on the improved intelligent fault diagnosis for electro-hydraulic servo valve

电液伺服阀的改进型智能故障诊断研究

Failure Analysis on Electro-hydraulic Servo valve of Large Unit and its Prevention

大型火电机组电液伺服阀的失效分析与预防

The main fault mechanism of the electro-hydraulic servo valve is studied .

对动圈式电液伺服阀的主要故障的机理进行了研究。

High-speed and precise piezoelectric electro-hydraulic servo valve and its control method

高速精密压电型电液伺服阀及其控制方法

Analysis of the cat data process error for electro-hydraulic servo valve dynamic phase frequency characteristics

电液伺服阀动态相频特性CAT数据处理误差分析

Development of Computer Aided Test System for Static and Dynamic Characteristics of Electro-Hydraulic Servo Valve

电液伺服阀静动态综合特性计算机辅助测试系统的研发

Research on a New Type of Piezoelectric Electro-hydraulic Servo Valve Based on Fuzzy PID Control

基于模糊PID控制的新型压电型电液伺服阀研究

The Research on Multi-parameter Fault Model Identification of Electro-hydraulic Servo Valve Based on BP Nerve Network

基于BP神经网络电液伺服阀多参数故障模式识别研究

Electro-hydraulic servo valve is the key part of rolling load system in cold rolling mill .

电液伺服阀是铝板冷轧机上电液控制系统中的关键零部件。

First , design and analyse the scheme of electro-hydraulic servo valve static and dynamic state characteristic test system .

首先，进行电液伺服阀静动态特性测试系统方案设计分析。

Applications of Electro-hydraulic Servo Valve in Over - loading Protector of Winch Press

电液伺服阀在曲柄压力机过载保护装置中的应用

Electro-hydraulic servo valve is the core element of servo system , which likes a link to connect electrical and hydraulic .

电液伺服阀是伺服系统的核心元件，起着连接电气和液压的纽带作用。

Electro-hydraulic servo valve is widely used in aerospace and other fields ; it is the core component of electro-hydraulic servo control system .

电液伺服阀广泛应用于航空航天等领域，是电液伺服控制系统中的核心部件。

The performance of electro-hydraulic servo valve will directly affect the control precision , stability and reliability of the system , or even determine the overall system performance .

电液伺服阀性能的优劣将直接影响到系统的控制精度、稳定性和可靠性，甚至决定整个系统的性能。

The principle , usage and maintenance of MOOG E760Y electro-hydraulic servo valve are introduced in the paper .

作者在介绍其工作原理的基础上，就其使用与维护要素等方面作了论述。

To adjust effectively BHF on sheet metal exerted by air-cushion , electro-hydraulic servo valve with the fast response characteristics was used .

利用电液伺服阀良好的快速响应性，可以调整拉深气垫作用在板料上的压边力大小。

Under the condition of CAT ( Computer aided test ), the test data about electro-hydraulic servo valve frequency response characteristic is processed with the discrete way .

在计算机辅助测试（CAT）条件下，对电液伺服阀频率响应特性测试数据进行了离散化处理。

We studied the common contents of the hydraulic valve test , and analyzed the specific content and methods of the electro-hydraulic servo valve and electromagnetic valve test .

本文分析了电液伺服阀和电磁阀测试的具体内容和方法，对二者测试过程中的共性内容进行了研究。

Finally , the mathematical model of pneumatic cylinder , electro-hydraulic servo valve , displacement sensor are established , the transfer function of the system is gained .

最后，建立了单出杆油缸、电液伺服阀、位移传感器的数学模型，得出系统的传递函数。

It mainly introduces the capability standard of electro-hydraulic servo valve static and dynamic state characteristic and it also tells the basic theory of test principle , data acquisition and signal processing .

主要介绍了电液伺服阀静动态特性的性能指标以及测试原理、数据采集和信号处理的基本理论。

Electro-hydraulic servo valve is a complex electro-hydraulic component . It is the bridge of connecting electrical and hydraulic parts and the core component of electro-hydraulic servo control system .

电液伺服阀是复杂的电液元件，在电液伺服系统中，作为连接电气部分与液压部分的桥梁，是电液伺服控制系统的核心部件。

Electro-hydraulic servo valve is the key component of electro-hydraulic servo system . It has a lot of advantages , such as high precision , quick response and so on .

电液伺服阀是电液伺服系统中的关键元件，具有控制精度高、响应速度快等优点。

In detail . Finally , modularization systems of electro-hydraulic servo valve and electro-hydraulic proportional variable pump were set up by use of hardware modules and soft modules .

最后，作者利用所开发的硬件模块和软件模块，组建了电液伺服阀、电液比例变量泵试验系统。

This problem looked up a large number of domestic and foreign relative literatures to confirm the design scheme which is achieved the control of the stamping by electro-hydraulic servo valve .

本课题通过查阅国内外大量相关文献确定了由电液伺服阀实现冲压控制的设计方案。

At first the design scheme of the test system of electro-hydraulic servo valve based on virtual instrument was proposed . According to this design scheme , the hydraulic test unit and measurement unit were developed .

本文首先在介绍电液伺服阀特性和测试远离以及虚拟仪器技术的基础上，提出了基于虚拟仪器的电液伺服阀测试系统设计方案，以此方案研制了测试系统的液压试验单元和测控单元。

Because of the advantages of fast response , high power magnification , good linearity , small dead zone , dual-nozzle-flapper electro-hydraulic servo valve is widely used in the servo system .

其中双喷嘴挡板电液伺服阀因其响应速度快、功率放大率高、直线性好、死区小等优点，在伺服系统中得到广泛的使用。