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。
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。
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。
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。
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。
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。
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；
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。
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 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。
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 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。
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。
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。
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。
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。
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。
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。
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。
Aiming at the problems such as time-variable parameters, nonlinear dead zone of the valve existing in the electro-hydraulic position servo control system, a self-tuning fuzzy controller is designed.
针对电液位置伺服系统中存在参数的时变性、死区非线性等问题，设计了自调整模糊控制器。
A duty valve drove hydraulic brake servo system of HEV (hybrid electric vehicle) power transmission test rig is studied.
研制了一种基于高速开关阀对混合动力车辆传动实验台制动系统实施压力控制的系统。
The new type servo valve can be used in the vibration test bench, the fatigue test bench, and the various hydraulic control systems which need fast response characteristics.
新型伺服阀可以应用于振动试验台、疲劳试验台及需要快速反应的流体控制系统中，可提高系统的快速响应特性。
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。
This system was composed of industrial control computer, PCL-832 servo-type motor control board, servo-type amplifier, servo-type valve and hydraulic motor.
该系统主要由工业控制计算机、PCL—832三轴伺服马达控制板、伺服放大器、伺服阀、液压马达等组成。
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 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 invention discloses an electro-hydraulic proportional servo valve flexible control method.
本发明公开了一种电液比例伺服阀柔性控制方法。
The invention discloses an electro-hydraulic proportional servo valve flexible control method.
本发明公开了一种电液比例伺服阀柔性控制方法。
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