数字阀

电液余度数字阀在船舶液压舵机系统中的应用研究

Applied Research on the Electro Hydraulic Redundancy Digital Valve in Marine Hydraulic Steering Gear

某型飞机电传操纵系统四余度电液舵机模拟器设计电液余度数字阀在船舶液压舵机系统中的应用研究

The Simulator Design of the Four-channel Electro-hydraulic Servo Actuator Applied Research on the Electro Hydraulic Redundancy Digital Valve in Marine Hydraulic Steering Gear

基于2D数字阀的计算机控制气动伺服定位系统的研究

Computer-controlled pneumatic servo positioning system based on 2D digital valve

端盖阻尼腔在船用2D气动数字阀中的应用研究

Application of End Shield Damper Chamber in Marine 2D Pneumatic Digital Valve

主要就2D气动数字阀的静态特性予以MATLAB仿真分析。

This paper conducts Matlab simulation analysis on static property of 2D pneumatic digital valve .

PCM与PWM电液数字阀测控实验台的设计

A Design of the Testing and Controlling Experimental Bench for PCM & PWM Electro-hydraulic Digital Valves

仿真结果表明：设置端盖阻尼腔，有利于提高2D气动数字阀的动态稳定性。

The simulation shows that end shield damper chamber can help to improve the dynamic stability of 2D pneumatic digital valve .

第三章建立2D气动数字阀的数学模型，包括线性和非线性数学模型。

Chapter Three introduces the establishment of mathematical model of the 2D pneumatic digital valve , including both the linear and nonlinear mathematical models .

第四章，对PID控制策略进行概述，得出试验机应用数字阀闭环后的简化模型，并利用增量式PID算法进行仿真。

After the introduction of the digital valve , the closed-loop model is simplified by means of linear theory and simulated through the algorithm of incremental PID control .

该装置采用2D数字阀作为控制元件，在整个系统中扮演着至关重要的角色。

In the gas-liquid ejection system , the2D digital valve is used as the control component which plays a substantial role on the system performance .

电―机械转换器作为2D数字阀的关键元件，其频响在一定程度上决定了阀的整体性能，所以也很有必要对电―机械转换器进行研究。

The electromechanical converter as a key component in 2D digital valve , the improvement of its frequency response can greatly enhance the overall performance of the valve .

利用颤振可以对数字阀的非线性进行补偿，通过建立数字阀相关数学模型并对其进行MATLAB仿真分析，形成理论依据。

The flutter can compensate for the nonlinearity of digital valve , through the establishment of digital valve related mathematical models and simulation analysis of MATLAB , then to form a theoretical foundation .

2D数字阀作为电液控制元件之一，具有抗污染能力强，响应速度快，重复精度高，直接数字控制等优点，能很好地满足上述要求。

2D digital valve as one of the electro-hydraulic control elements possesses anti-pollution , fast response , high repetition accuracy and digital control , etc. It is good to meet above-metioned requirements .

因此，为了提高2D气动数字阀的综合性能，必须对其结构参数与其静态、动态特性之间的关系作进一步研究。

Therefore , in order to improve the comprehensive performance of the 2D pneumatic digital servo valve , further studies need to be conducted about the relationships between its structure parameters and its static and dynamic features .

搭建了实验平台，分别对电-机械转换器及2D数字阀的静、动态特性进行实验研究，实验结果表明它们具有良好的静、动态特性。

An experimental platform is established . And then the experimental investigations of the electromechanical converter and 2D digital valve properties are carried out respectively . The results show that they have good static and dynamic characteristics .

这种2D气动数字阀是一种闭环机构的结构设计，所以其稳性、快速性及精度、刚度等性能指标是相互制约的，要使这些性能指标得到同时提高比较困难。

Since this 2D pneumatic digital valve is a closed loop mechanism , performance indexes such as stability , speediness , precision and rigidity restrict each other and it is contradictory to improve these performance indexes meantime .

本文针对数字阀存在的响应死区问题，提出了一种双阀联合PWM控制方法。能自动避开响应死区使系统工作在线性较好的区域，从而改善系统的静态性能，提高系统的控制精度。

This paper presents a double valve PWM combination control method which can automatically keep off response deadband , with making the system operate in the zone of better linearity and raising the control accuracy of the system .

实验证明采用同步式伺服控制算法的2D数字阀具有良好的静、动态特性，实现了高频响，拓宽了应用范围，很好地解决了控制难题。

The experimental results prove that the 2D digital valve which uses synchronous control algorithm has good static and dynamic characteristics . It achieves a higher frequency response , broadens the scope of application and solves the control problems .

采用MATLAB软件对新型船用2D气动数字阀的动态特性进行仿真，从线性和非线性两个角度出发，研究了该阀设置端盖阻尼腔对其动态特性的影响。

With MATLAB software , the dynamic characteristics of marine 2D pneumatic digital valve was simulated , and from both linear and nonlinear perspectives , the effects of end shield damper chamber on the dynamic characteristics of 2D pneumatic digital valve were studied .

基于PCC的高速开关阀控制的水轮机调速器的研制介绍一种以PWM驱动快速开关阀构成的开关型数字阀在电－气伺服系统中的应用。

Development of a PCC Based High Speed On-off Valve Driven Governor for Hydraulic Turbine The application of a PWM ( pulse-width-modulation ) high speed on-off valve device to an electropneumatic position servo system is presented in this paper .

针对2D气动数字阀左侧端盖是否设置阻尼腔、阻尼腔结构参数变化及阀体结构参数变化对该阀动态特性产生的影响进行仿真分析。

The simulation analysis of the influence of whether the damping chamber is set in the left cap of 2D pneumatic digital valve , variations of the structure parameters of damping chamber and variations of valve body structure parameters on its dynamic characteristics is carried out in this paper .

压力补偿位移式数字阀及其系统的实验研究

Experimental investigation in pressure - compensated-displacement digital valve and its system

电液数字阀在水轮机调速系统中的应用

Application of Electrohydraulic Digital Valve in Speed Governor System of Turbine

提出了数字阀控制主配压阀式电液系统的构成；

This paper gives the electrohydraulic system piloted by digital valve .

电液数字阀的单片机控制

An Electro - hydraulic Digital Valve Controlled by MicroController Unit

步进电机控制的液压数字阀的建模与仿真研究

Modeling and Simulation of Hydraulic Digital Valve with Controlling of Stepping Motor

新型注塑机用复合数字阀

Compound Digital Valve for New Type Injection Molding Machine Use

数字阀控变量变压叶片泵的研究

Investigation into digital valve controlled variable delivery and variable pressure vane pump

数字阀控制系统在板带跑偏中的应用

Application of Digital Valve Control System in Strip Displacement

数字阀恒速节流调速系统控制对策

Regulation Method for Constant Speed System of Digital Throttle