研制了一种全新结构的直接驱动电液伺服阀。
This paper develops a direct-drive electrohydraulic servo valve of a completely new structure.
因此，抗污染能力成为电液伺服阀的重要指标。
So, the ability of antipollution becomes the important performance of electrohydraulic servo valve.
介绍了电液伺服阀性能测试试验台的改造方案。
The test bedstand innovation scheme of the electrohydraulic servo valve performances is presented.
电液伺服阀作为产品，在出厂前须进行严格测试。
As a product, before the servo valve leaves factory, it should be tested strictly.
电液伺服阀的功率级一般为滑阀，起液压放大器的作用。
The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier.
同时讨论电液伺服阀的选取和校正方程的参数确定原则。
The selection of the electrohydraulic servo valve and the parameters of the rectifier are discussed.
电液伺服阀与电液比例阀最大的差别在于电机械转换器。
Electro-hydraulic servo valve and proportional valve biggest difference is that electromechanical converter.
伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀。
Servo valves consists of feedback - electric-hydraulic servo valve and position feedback servo valves.
提出了利用相对频率幅值比和相对频宽的电液伺服阀力矩马达的设计概念。
The design concept of the relative frequency amplitude ratio and the relative frequency width of toque motor stiffness of electro-hydraulic servo valve are proposed.
另外还针对QDY - 6型电液伺服阀设计了电液伺服阀的功率放大电路。
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
提出了一种新型压电晶片型喷嘴挡板式电液伺服阀，并对其控制方法进行了研究。
A novel piezoelectric type nozzle flapper hydroelectric servo valve was developed and its control method was researched.
在电液比例阀和电液伺服阀动特性测试中，高频动态流量的测量一直是一个难题。
The measurement of high frequency dynamical flow in dynamical test of electro-hydraulic proportional valve and electro-hydraulic servo valve is very difficult.
研制了一种压电弯曲元件型压电驱动器，该驱动器用于电液伺服阀的电-机械转换器。
Developed a new type of piezoelectric bending actuator used as electrics-to-mechanics converter of a piezoelectric hydroelectric servo-valve.
系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；
The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;
通过对一种动圈电液伺服阀的液压桥路和具体参数的设计，提高了这种伺服阀抗污染的能力。
This paper introduces the designing of a moving coil electrohydraulic servo valve which improve the ability of antipollution.
本文介绍电液伺服阀频率特性的压差式测试原理及频率特性测试仪的硬软件结构、原理及特点。
This paper presents the principle, hardware structure, and features of a frequency characteristics instrument for electro-hydraulic servo valves.
本文中电液伺服系统为阀控马达系统，主要包括电液伺服阀、放大器、液压马达、反馈元件等。
In this paper, the electro-hydraulic servo system is valve-controlled motor, mainly include electro-hydraulic servo valves, amplifier, hydraulic motors, and other feedback components.
直线力电机是直线电机的一种，主要是作为执行器应用于电液伺服阀等位置伺服或开关量控制系统。
As a kind of linear motor, linear force motor usually is used as an actuator in positioning or switching control system for hydrometric servo valves and so on.
滑阀是由阀芯和阀套两部分组成，通常用作电液伺服阀的功率放大级，其精度要求高，加工难度大。
Spool valve is composed of valve spool and valve sleeve, and as the power stage of servo valve, it has a high degree of accuracy and is difficult for machining.
计算机辅助测试(CAT)技术的兴起和应用，为电液伺服阀、比例阀性能测试开辟了广阔的发展前景。
The application of computer-aided test (cat) provides a brilliant future for characteristic test of servo valve and the technique of virtual instruments brings cat into a new developing stage.
理论分析和实验结果表明：双喷嘴挡板电液伺服阀具有良好的流量-电流比例特性和小负载流量的控制能力。
Both the simulation and experimental results indicate that the dual flapper-nozzle servo valve has good flow-current characteristics and strong ability to control small flow rate.
通过实验提取一些常见故障模式的特性曲线，运用BP神经网络，实现了电液伺服阀的故障诊断和模式识别。
We picked the characteristic curve of the usual fault modal by the experiment and applied a BP network in fault diagnosis. And then we completed the fault diagnosis and modal identification.
分析研究了系统非线性的影响，特别是电液伺服阀的非线性、油源、管道等因素的影响，建立了系统的数学模型。
The mathematical model is also built and system nonlinear effects are analyzed, especially nonlinear effects of electro-hydraulic servovalve, pump station, and pipes.
与传统伺服阀相比，以新型功能材料为电-机械转换器的电液伺服阀，具有高频响、高精度和易于微型化等优点。
The electro-hydraulic servo valves in which some novel functional materials are applied to the actuators can have high frequency response and high precision and can be made by micromation.
电液伺服阀不仅是液压AGC系统中最容易发生故障的部位，而且性能好坏直接影响到宽厚板轧机的性能和可靠性。
Electro-hydraulic servo valve is one of the most easy-to- failure components and it's performance and reliability will directly affect AGC system's performance and reliability.
电液伺服阀是铝箔轧机压上电液控制系统中的关键零部件。在介绍电液伺服阀工作原理的基础上，就其使用与维护要素作了阐述。
Electro Hydraulic Servo Valve is key component in roll load system of aluminium foil rolling mill. This paper introduces the principle and maintenance of Electro Hydraulic Servo Valve...
利用GMM设计新型的电—机转换器，取代传统型电—机转换器，如力矩马达或力马达等，可提高整个电液伺服阀的响应速度和控制精度。
Utilizing GMM to design new-type actuator, replacing traditional actuator such as the torque motor or the force motor, will enhance the response speed and precision of electro-hydraulic servo valve.
在每次测量前需要手动标定X - Y记录仪的坐标以及切换测试项目间的油路，测试曲线绘制完成后也需要手动计算电液伺服阀的各项性能参数。
Before the test, the coordinates of the X-Y recorder are demarcated and the shifts of the test oil circuit are done manually. The parameters of the characteristics are also computed manually.
采用高性能的数字信号处理器TMS320LF2407为核心设计了数字式防滑刹车控制盒，重新设计了指令传感器、轮速传感器和电液伺服阀的检测电路。
Antiskid braking control box is designed with high-performance digital signal processor TMS320LF2407, and the measuring circuits of wheel speed sensor, instruct sensor are redesigned in the article.
采用高性能的数字信号处理器TMS320LF2407为核心设计了数字式防滑刹车控制盒，重新设计了指令传感器、轮速传感器和电液伺服阀的检测电路。
Antiskid braking control box is designed with high-performance digital signal processor TMS320LF2407, and the measuring circuits of wheel speed sensor, instruct sensor are redesigned in the article.
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