The structure and principle of numerical control hydraulic servo valve;
数控液压伺服阀的结构和工作原理；
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
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。
Servo valves consists of feedback - electric-hydraulic servo valve and position feedback servo valves.
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。
Electro-hydraulic servo valve and proportional valve biggest difference is that electromechanical converter.
电液伺服阀与电液比例阀最大的差别在于电机械转换器。
The most important character of this system is using AC timing motor to replace electro-hydraulic servo valve.
它最重要的特点就是使用交流调速电动机代替传统的伺服阀。
The principle , usage and maintenance of MOOG E 760 Y 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。
Direct control of hydraulic servo valve by means of PLC can simplify the control of hydraulic system and reduce cost.
采用可编程控制器(PLC)直接控制液压伺服阀，可以简化控制系统，降低成本。
The utility model relates to a numerical control hydraulic servo valve which is mainly used in the hydraulic automatic control field.
本实用新型数控液压伺服阀主要用于液压自动控制领域。
Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
因此，为了改善由射流前置级驱动的伺服阀的性能，研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
The measurement of high frequency dynamical flow in dynamical test of electro-hydraulic proportional valve and electro-hydraulic servo valve is very difficult.
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。
This paper puts forward a new mechanical-hydraulic servo valve, and briefly introduces operation principle, structural characteristics and application of the valve.
本文提出了一种新的机液伺服阀，概要介绍了这种阀的工作原理，结构特点及应用情况。
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.
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。
As the core component of water hydraulic servo control system, the performance of water hydraulic servo valve is directly related to the property of the whole system.
水压伺服阀是水压伺服控制系统的核心部件，其性能直接影响着整个系统的性能。
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;
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；
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。
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.
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。
The method of direct control of hydraulic servo valve by means of PLC, the component parts of the control system and the driving interface circuits were described mainly in this paper.
文章主要介绍PLC对液压伺服阀的控制方法及控制系统的组成，说明驱动接口电路的连接。
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...
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。
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.
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。
Because of the simple structure and small spatial volume, valve controlled asymmetric cylinder is widely applied in hydraulic servo system.
阀控非对称缸由于结构简单、空间体积小，广泛地应用于液压伺服系统中。
So the research and design of the digital servo valve is one of the most important aspects of nowadays hydraulic field.
因此在液压元件中数字伺服阀的设计与研究以及在它在具体领域中的应用是当今液压界的重要研究方向之一。
This thesis puts forward a new direct-actuated digital servo valve, based on the studying relevant workings, and also advanced a new method modeling in hydraulic system.
本文在综述国内外电液数字控制技术及元件的相关研究成果的基础上，设计出了数字伺服阀的新型结构，并且提出了在液压系统中使用模块化建模的思想。
Ratio, servo hydraulic pressure technology, low power pneumatic control valve, production of stuffing.
比例、伺服液压技术，低功率气动控制阀，填料密封生产。
The paper introduces the principle and fault of the mechanical - hydraulic servo system on locating the valve.
本文介绍了阀门定位用机液伺服系统的工作原理及常见故障。
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
介绍了一种直动式电液数字伺服阀的结构原理及其控制方法。
In the AGC system, the AGC hydraulic cylinder is connected with AGC servo valve through the oil feeder.
在AGC系统中，AGC液压缸通过该供油装置与AGC伺服阀组相连。
Dynamics analysis of 6 DOF parallel robot is the basis of deciding hydraulic pressure, actuator effective area, selecting servo valve.
六自由度并联机器人的动力学分析是确定液压源压力、作动器有效工作面积和选择伺服阀规格的基础。
Mathematic models of servo valve controlling asymmetrical cylinder hydraulic system are established.
建立了伺服阀控非对称缸的理论模型。
Mathematic models of servo valve controlling asymmetrical cylinder hydraulic system are established.
建立了伺服阀控非对称缸的理论模型。
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