比例阀
- 网络proportional valve;Rexroth;PARKER
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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
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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
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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
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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
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五十铃N系列轻型车惯性比例阀
Inertia Proportional Valve for Isuzu N-series Light Trucks
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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
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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
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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
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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
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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
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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 .
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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
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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 .
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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 ;
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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 .
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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 .
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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 .
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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 .
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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
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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 .
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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
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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 .
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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 .