proportional control

An electro-hydraulic proportional control system for lap end of scutcher machines

成卷机成卷压力的电液比例控制系统

Master control module used watch-dog timer control chips can achieve three-axis control in the meantime with the software: Module outputs 0-10V analog voltage to control the proportional solenoid valve to produce the necessary cutting pressure, so as to enhance cutting precision to improve cutting yields.

主控模块采用专用看门狗定时器芯片，配合软件可同时实现三轴控制，模块输出0-10V模拟量电压，控制比例电磁阀产生所需要的切割压力，从而提高切割精度及切割的成品率。

Fuzzy-PID Control in Proportional Servo Valve System

比例伺服阀控系统Fuzzy-PID复合控制器的研究

This paper with the combination of the Electro-hydraulic Proportional Control Test Bed in Hebei University of Engineering and the advanced virtual instrument technology has developed a comprehensive performance test systems of hydraulic components, which can simultaneously test the performance of hydraulic pump, hydraulic motors and hydraulic valves.

本文结合河北工程大学电液比例测控试验台和先进的虚拟仪器技术开发了一套能同时对液压泵、液压马达和液压阀进行性能测试的综合液压元件性能测试系统。

The results show that the new type of proportional direction valve is of good steady state control characteristics and equal displacement characteristics. The linearity of the control curve of the main spool displacement is well. However, there exists a certain neutral position control dead zone.

研究结果表明，新型比例方向阀的稳态特性和等位移特性良好，主阀芯位移控制曲线的线性度也较好，但有一定的中位控制死区。

Study of Pulse Width Modulation Electro-hydraulic Proportional Control System for Loader

装载机脉冲宽度调制电液比例控制系统研究

PI D ( Proportional-Integral-Derivative) is used as the basic control algorithm.

采用比例积分微分（PID）为基本控制算法；

Model Analysis on Electro-hydraulic Proportional Control for Rotary Drilling System of Engineering Geological Drilling Rig

钻头轻压慢转钻进地层工程地质钻机回转钻进比例控制系统的模拟分析

This paper made use of the electro-hydraulic proportional control technology, adopting the principle of separate the ground control or grouping and unite control to control the velocity and pressure of thrust hydraulic cylinder to complete the shield machine attitude adjust in the course of its advance.

应用电液比例控制技术，采用分组联合控制的原则，控制推进液压缸的速度及压力，完成盾构推进过程中的盾构掘进姿态的调整。

Proportional valves to achieve automatic control, remote control and programmed control.

比例阀能实现自动控制 、 远程控制和程序控制.

Application of Proportional Control Technology in Dry Powder Automatic Forming Hydraulic Press wedge and plunger burster

比例控制技术在干粉自动成型液压机中的应用楔与塞柱型液压冲破机

The Modeling of Pneumatic Proportional Control System and Experimental Research

气动比例控制系统的机理建模与实验研究

Pneumatic V-ball valve is a right angle turn structure of the advanced control valve with positioner supporting the use of proportional control can be achieved;

气动V型球阀是一种直角回转结构的高级控制阀，它与阀门定位器配套使用，可实现比例调节；

In according to the working characteristics of the big scale attrition mill, on the basis of studying the technology requirment of the φ 800 taper attrition mill, a proportional hydraulic control system is designed, at the same time the characteristics of the system are analyzed.

根据大规格磨浆机的工作特点，在研究φ800锥度磨浆机工艺要求的基础上，进行了比例液压控制系统的设计，并分析了控制系统的特点。

According to the design method of hydraulic system, the hydraulic system and component is selected, at the same time, the electro-hydraulic proportional control system is used.

根据液压系统的设计方法，确定液压系统方案及元件的选取，并采用电液比例控制系统。

The digital electro-hydraulic proportional control system, in the article, comprises of control handlebar ( electric potential device), electronic control unit ( ECU), pilot valve ( proportional decompression valve), multiple-unit valve and oil cylinder.

本文设计的数字电液比例控制系统由控制手柄（电位器）、电控模块（ECU）、先导阀（比例减压阀）、多路换向阀和油缸组成。

A New Pneumatic Proportional Pressure Valve with the Characteristics of Inversely Proportional Control

具有反比例控制功能的新型比例气动压力阀

Based upon the analysis of the working conditions in the tunnel excavations, a principle design, hydraulic value design and system integration design of hydraulic drive system of cutter head for simulator test rig is carried out theoretically with electro-hydraulic proportional control technique.

论文以盾构模拟试验平台为研究对象，模拟实际盾构施工过程中的工况要求，采用电液比例控制技术对盾构模拟试验平台刀盘液压驱动系统进行了原理设计、液压阀块设计和系统集成设计。

An electric-hydraulic proportional control over cannon hydrostatic driving system was developed.

将静压传动应用于火炮的驱动装置中,实现火炮驱动系统的电液比例控制.

Rebuild YTS-3 Experiment Device with Proportional Control Valves

用电液比例阀改造YTS-3型调速实验台

Research on Proportional Control of Anthropomorphic Intelligence

仿人智能比例控制的研究

Self-learning control based on fuzzy neural network for electrohydraulic proportional constant displacement regulating axial piston pump

基于模糊神经网络的电液比例恒排量调节轴向柱塞泵自学习控制

The method of neural network self-learning control is first used in electrohydraulic proportional constant displacement axial piston pump and obviously improves the follow-up property of the regulating system of the pump.

首次将神经网络自学习控制方法应用于电液比例恒排量调节轴向柱塞泵，明显改善了变量泵调节系统的跟随特性。

Aiming at the design requirements of shield tunnelling machine for simulator test rig, hydraulic systems of shield were designed and manufactured by applying electro-hydraulic proportional control technology, which included thrust hydraulic system, screw conveyor hydraulic system and cutting wheel drive hydraulic system.

针对盾构掘进机模拟试验台的设计要求，采用电液比例控制技术设计制造了盾构掘进机液压系统，包括推进液压系统，螺旋输送机液压系统以及刀盘驱动液压系统。