比例阀

汽车发动机冷却系比例阀的ECU控制设计

ECU Designing of Proportional Valve in Truck Engine Cooling System

基于比例阀的气压伺服系统性能分析及仿真

The Performance Analysis and Simulation of Pneumatic Servo System Based on Proportional Valve

比例阀选择及其工作回路的CAD软件开发

Software Development of Proportional Valve Selection and Its Circuit CAD

比例阀及其工作回路CAD的研究与开发

Research and Development of CAD System for Proportional Valve and Its Circuit

五十铃N系列轻型车惯性比例阀

Inertia Proportional Valve for Isuzu N-series Light Trucks

采用PLC控制比例阀进行软件闭环控制的应用研究

Applied research on software closed-loop control by using PLC controlled proportional valve

丰田MS系列轿车制动系感载比例阀

Load Sensing Proportional Valve in Brake System for TOYOTA MS Series Passenger Cars

新型压电式电-气PWM比例阀的研究

Research on a Novel Piezoelectric Type Electro-pneumatic PWM Proportional Valve

基于PWM控制技术的电液比例阀的研究

Research of Electronic-hydraulic Proportional Valve Based on PWM Control Technology

基于RBF网络的比例阀-缸位置控制系统

Pneumatic Proportional Valve-cylinder Position Control System Based on RBF Neural Networks

该控制系统具有PLC电气控制和电液比例阀的液压控制，水压试验机实现在线测控，设置参数，数据库及管理打印功能。

The hydrostatic tester has on - line control , parameter setting , database and printing function .

电液比例阀CAT系统中的恒压降控制方法

The Method of Invariable Pressure Difference Control for the CAT System of the Electrohydraulic Proportional Valve

基于Fluent的复杂通道比例阀的数值模拟研究

Numerical Simulation of Electro-hydraulic Proportional Valve with Complex Flow Field Based on Fluent

建立了试验系统的数学模型，试验系统采用模糊PID控制的方法实现了对电液比例阀的闭环控制，从而对系统压力的变化进行了实时调节。

The electrohydraulic proportional valve close-loop control method by using fuzzy PID was presented , and it realized real-time system pressure control .

系统通过控制器输出不同占空比的PWM信号，来控制比例阀上比例电磁铁上的电流，进而控制比例减压阀输出的压力。

By adjusting the duty factor of PWM signals , the pressure output by the proportional reduced valve is controlled .

一种基于PLC的电液自动控制系统，采用了电液比例阀的双闭环控制系统。

This paper introduces an electrohydraulic control system based on PLC . A double close - loop control system with electro - hydraulic proportional valve is adopted .

该方法通过基于H∞理论的鲁棒控制器、同步控制器及协调控制器的复合控制作用，分别控制各通道的电液或电气比例阀，实现6个液压加载通道与4个气压加载通道的同步协调加载。

By means of controlling the electro-hydraulic proportional valve or electro-pneumatic proportional valve of each channel , a proving structure is loaded by 6 hydraulic actuators and 4 air chambers synchronously .

介绍了一种利用浮动孔口比例阀开发的混气工艺和控制方法，以及在LPG城市中压管网上的应用。

This paper introduces a mixing technology and control method utilizing ratio valve with floating orifice and its application in LPG medium-pressure network .

电-气比例阀在6-DOF并联机器人中的应用

The Qi ( vital energy ) Research on the Application of Pneumatic Servo Valve in 6-DOF Parallel Robot

该系统实现了注塑机电液比例阀的闭环控制，并开发了与之配套的上位机监控软件，实现了PID参数的在线调整。

This system realizes the close-loop control of electro-hydraulic proportional valve based on digital PID algorithm , and developed a monitor application program for this system that can adjust the value of PID parameter online .

采用VISUALBASIC6.0语言和面向对象的编程思想，开发了比例阀及其工作回路CAD软件。

The CAD software for a proportional valve and its working circuit is programmed by Visual Basic 6.0 and OOP ( object-oriented programming ) . The software includes a module for the selection and calculation of a proportional valve ;

分析了占空比D与平均电流I之间的关系，并对一基于PWM控制的电液比例阀的流量特性曲线进行了分析。

The relations between duty ratio ( D ) and average current ( I ) is discussed , and it analyzes the flow characteristic curve of electronic-hydraulic proportional valve based on PWM ( Pulse Width Modulation ) control technology .

带式输送机采用CST多级驱动控制，通过比例阀及控制系统实现软起动与功率平衡。

The conveyer belt adopts the CST step driver control , and the realization of the soft-startup and power balance depends on the proportional valve and control system .

针对现用的一种电液比例阀控制器的不足之处，本文采用PWM控制技术，提出了一种改进的方案，使之具有原理简单、性能可靠的特点。

To the deficiency of a kind of controller on electro-hydraulic proportional valves at present , this paper adopts the PWM control technique and puts forward a kind of improved project , for making its principle simple and performance credible .

采用TI公司的DSP芯片为核心，实时采集挖掘机的铲斗、斗杆和动臂三路角度模拟信号，通过算法规划路径驱动液压比例阀实现特殊作业。

With the chip of TI , The system is designed to realize special tasks through arithmetic of path plan , which can gather the signal of bucket , pole and arm of Grab at real time and then drive the hydraulic pressure proportion clique .

PVA-1000系列电液比例阀控制器的开发研究

Development and study of PVA-1000 series electrohydraulic proportional valve controller

本文从实际出发，以负载曲线和比例阀空载流量为条件，导出以功耗最小为指标的系统参数：A（变量油缸活塞有效面积）与Qm（比例换向阀空载流量）最佳匹配计算公式。

This article considers the real condition , leads out the system 's parameters ' ( a & . Qm ) best matching calculational formula which can make the power consumption least in the condition of the load curse and the proportional valve 's no-load flow .

用电液比例阀改造YTS-3型调速实验台

Rebuild YTS-3 Experiment Device with Proportional Control Valves

通过采用液压比例阀控制双辊道移钢装置，提高精整区能力，稳定350t冷摆剪运行节奏，解决轧制能力大于精整处理能力的问题。

Through using hydraulic proportion valve to control the double-roller moveable device , the ability of refine area is improved and movement frequency of 350t cool-shear is stabilized . It can solve the problem of rolling ability exceed to treatment ability of refine area .

其中，压力控制模块通过向电气比例阀输出0-10V的电压值来连续控制抛光压力，并且选用了S型拉压力传感器通过数据采集卡对其进行实时监测，构成闭环控制；

The pressure control module is designed to control the polishing pressure in real-time , through output 0-10 voltage to the electric valve , which constitutes the closed-loop control with the S-type pressure sensor , data acquisition card for real-time monitoring .