比例控制

CAT系列挖掘机油泵电液比例控制系统分析

The analysis of CAT excavator pump proportional control system and failure diagnosis

基于PLC控制的某全自动装填电液比例控制系统设计

Design of Electro-hydraulic Proportional Control System for Certain Full Automatic Loading Mechanism Based on PLC

高速电液比例控制系统H∞控制器的研究

Study on the H_ ∞ Controller of a High-Speed Electro-Hydraulic Propotional System

介绍了一种在PLC控制下运行，利用电液比例控制技术的试验台系统。

This paper presents an electro-hydraulic Proportional Control System of the test platform controlled by PLC .

本文针对大型重载平台，采用电液比例控制系统，基于模糊PID控制策略，实现平台在精度范围内快速、稳定的调平。

This paper uses electro-hydraulic proportional control technology platform within the precision rapid and stable leveling .

将重复控制与比例控制构成的复合控制应用于UPS逆变器控制。

A repetitive compound control is applied to the control system of UPS inverter .

本文用一实例通过MATLAB仿真实验，研究了比例控制；比例积分控制；

By MATLAB simulation experiment , the paper studies the effect of proportional control , proportional-integral control , proportional-derivative control on system control .

通过调节PID参数控制温度的过程，研究了增量式PID算式中的三种控制规律：比例控制规律，积分控制规律，微分控制规律在温度控制过程中所起的不同作用。

Then , it studied the different control effect of the three control regulation : Proportional control , Integration control and Differential control in the increment PID algorithm .

通过创建和封装时序逻辑对象并按面向对象方法进行电液比例控制系统的PLC编程，把对冲压液压机设备实体的控制映射为控制虚拟逻辑对象。

By succession logic objects created and encapsulated , PLC program could be designed for electro-hydraulic proportional control system . Then controlling actual devices has been mapped as controlling virtual logic objects in hydraulic stamping press .

针对现有热压机多采用伺服控制系统，虽可以满足位置控制的要求，但很难实现大范围速度调节的问题，提出了一种新的热压机电液比例控制的PID改进系统。

To the problem that the existing hot-presses adopting servo control system cant not change velocity in large scale , although it could control position accurately , an improved PID control system based on electro-hydraulic proportion is presented .

根据经验，卫生总费用占GDP的比例控制在5%左右，弹性系数保持在1.2左右，比较符合中国的基本国情。

Based on experience , the proportion of National Health Expenditure in GDP should be controlled around 5 % and elasticity coefficient should be maintained around 1.2 , which relatively meets the essential situation of China . 2 .

从转向轴助力式电动转向系动力学模型出发，推导出转向盘力的仿真计算公式，并简要分析了比例控制式EPS系统的控制系数对其转向盘力特性的影响。

Based on the dynamic model of steering column assisted EPS , the formulation to simulate the steering wheel effort is deduced . The proportional coefficient 's influence on the steering wheel effort characteristic is analyzed .

认为在小型家用VAV空调系统中，应当采用具有较弱比例控制作用的PI控制方法对送风机进行控制，以保证系统整体控制的稳定性，实现室温控制效果。

The proportional-integral ( PI ) control method with weak proportional action is recommended for the supply fan of such a residential VAV air conditioning system , in order to keep system control stability and designed indoor temperature .

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。

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 .

完成实验台的设计、搭接，利用dSPACE软硬件，实现对5个子阀的逻辑及比例控制，从而实现位置闭环控制。

The experiment desk is designed and jointed , on which the logic control of five sub-valves is realized by the use of software and hardware of dSPACE and position closed loop is implemented .

对基于Stewart平台的6DOF力反馈手控器进行了总体结构设计，该装置的主体由一个6DOFStewart平台、电液比例控制系统及控制与检测系统等组成。

A 6-DOF force feedback controller based on Stewart platform was designed , which consisted of a 6-DOF Stewart platform , an electro-hydraulic proportional system and a controlling and measuring system .

在交联剂的合成过程中，借助GPC研究了分子量与原料组成之间的关系，结果表明，交联剂的分子量可通过控制甘油和丙交酯的比例控制。

GPC was used to study the relationship between molecule weights and the radio of raw materials in the synthesization of crosslinking agents . The result showed , molecule weights of crosslinking agents would be controlled by changing the ratio of glycerol and lactide .

介绍了VRC机器人电液伺服/比例控制系统的原理、实现方法与控制特点，为该技术国产化进行了理论探讨。

This paper introduced the principle and realization method as well as control characterristics of the electrohydraulic servo proportional control system of the VRC robot . It 's Nationality are also been discussed .

结论移植时将移植物与受体T细胞比例控制在一定范围内，使移植物与受体T细胞保持平衡，既有利于移植物的植入，又可减轻GVHD及其他移植相关并发症的发生。

Conclusion During transplantation , the graft-receptor T cell ratio is controlled within certain range , and maintained to keep the balance of grafts and receptor T cells providing a more favorable condition for the transplanted graft , and reducing the occurrence of GVHD with related complications .

该试验台采用可编程控制器（PC）及比例控制技术可模拟柱塞的不同运动规律，以及在不同运动速度、不同工作介质条件下测试柱塞往复密封的各项性能指标，最高密封试验压力达200MPa。

The test stand by means of programmable controller ( PC ) and proportional technology can simulate different motion pattern of plunger / rod and test the performance parameters of plunger / rod sealing member under different linear speeds and media . Maximum testing pressure is up to 200 MPa .

基于电液比例控制技术，分析了超临界下水压控制技术的特点，对组成系统的各关键元件的结构设计和特性进行了分析和研究，重点解决了密封与压力增益大的难点；

The structure design and characteristic of key elements are researched .

成卷机成卷压力的电液比例控制系统

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

炼钢中间包塞棒液压伺服比例控制系统的应用

Application of Hydraulic Servo-proportion System Controlling Tundish Stopper on Steel-making Plant

机器人化装载机工作装置数字电液比例控制系统

Digital Electro Hydraulic Proportion Control System of Roboticized Loader Working Device

装载机脉冲宽度调制电液比例控制系统研究

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

电液比例控制千斤顶性能试验机液压系统的设计

The Hydraulic System Design of Electro-hydraulic Proportional Controlled Jack Performance Test Machine

气动比例控制系统的机理建模与实验研究

The Modeling of Pneumatic Proportional Control System and Experimental Research

汽轮机高压旁路电液比例控制系统的研究

Research of the Electro-hydraulic Proportional Control System in the Turbine HP Bypass

试验表明微机电液比例控制水轮机轮叶系统具有较优的控制性能。

The experimental results show that the system has remarkable control function .

新型电液比例控制液压抽油机的设计

Design of New Hydraulic Pumping Unit with Electro-hydraulic Proportional Control