流量阀

基于模糊自调整PID控制的智能数字流量阀研究

Research of Intelligent Digital Flow Valve Based on Fuzzy Self-adaptive PID Control

数字方向流量阀的PLC直接控制及特性

Direct control of digital direction & flow valve by the use of PLC

采用BP神经网络控制算法对同步系统的比例流量阀开度进行预测控制，通过调整比例流量阀的开度来改变纠偏力矩的大小，最后实现活动横梁的水平位置控制。

Through the adjustment of the proportional flow valve opening to change the size of the correction torque , and finally realize the horizontal position of the active beam control .

在此基础上，推导了以数字式流量阀为控制对象的pH值控制算法，运算中采用带约束条件的最小二乘法对参数θo进行估计，实现了参数的在线辨识。

According to these results , the adaptive algorithm is given out for digital discharge valve control . The algorithm adopted Restricted Least Square Method to estimate the parameter θ 0 and realized estimating on-line .

文章介绍了PLC控制数字方向流量阀的方法，数字阀的伺服控制、驱动接口及PLC梯形图的控制逻辑。

The paper describes the method of direct control of electro hydraulic digital direction & flow valve by means of PLC . The driving interfaces of digital valve and the control logic of software were founded .

外围电路模块主要包括触摸屏和LCD显示接口电路、Uart接口电路、以太网外围接口电路、电机驱动电路、流量阀控制电路、光信号和温度数据采集电路、电压转换电路等几个模块。

Peripheral circuit module includes the touch screen , LCD display interface circuit , UART , the motor drive circuit , the light signal and temperature data acquisition circuit .

建议在SRU停车期间关掉截止阀和流量阀。

Suggest to have cutoff valves and flow valves close during SRU shutdown .

在电液比例流量阀中，本文采用了以单片机C8051F320为核心的控制技术。

This paper adopts the control technology of single chip C8051F320 core in electronic-hydraulic proportional flow valve .

给水泵最小流量阀选型分析

Type - choosing Analysis to Least Flow Valve of Feed Pump

比例流量阀稳态控制特性测试的数据处理

Data Process about Static Control Performances of Proportional Control Flow Valve

先导型力反馈电液比例流量阀的设计

Design of Piloted Electrohydraulic Proportional Flow Valve with Force Feedback

自动变速器数字比例流量阀设计与研究助焊剂自动比重控制器

Design and Research in Numerical Proportion Flow Control Valve of Automatic Transmission

数字式液压流量阀在工程机械中的应用

Application of digital hydraulic flow control valve in construction machines

同轴式电液比例流量阀动态特性

Study on dynamic performance of coaxial proportional flow control valve

二通插装型电反馈比例流量阀特性研究

Study on Characteristics of Two-port Proportinal Flow Cartridge Valves with Electric Feedback

新型数字控制流量阀的研究

Research on New Digital Hydraulic Flow Regulator Membrane Valve

比例流量阀控制非对称液压缸同步的仿真分析

Imitation Analysis of Proportional Flow Valve in Synchronization Control of Non-symmetry Hydraulic Cylinder

液压马达流量阀的死区控制

Control over Blind Area of Hydraulic Motor Flow Valve

单级廉价伺服/比例流量阀

Low cost one stage servo / proportional flow valve

基于微小流量阀的匀速加载压力控制系统研究

Research on Pressure Control System of With Constant Rate

Q&F5型高压微流量阀稳态特性研究

Research of Static Characteristic of Q-F5 Type Microflow Control Valves with High Pressure

数字微小流量阀的试验研究

Experimental study of digital micro flow control valve

数字式液压流量阀的特性仿真

Simulation of Characteristics of Digital Hydraulic Flow Valve

数字式液压流量阀设计研究

Study and Design of Digital Hydraulic Flow Valve

脉宽调制式数字比例流量阀

Pulse width modulating digital proportional flow valve

比例方向流量阀气动位置力伺服控制系统实验研究

Experimental Study of Pneumatic Position and Force Serve Control System by Proportional Directional Control Valve

发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。

The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system .

液压粘滑现象对电液比例流量阀性能影响的研究

Study on the effect of the hydraulic stick slip phenomenon on the characteristics of electro-hydraulic proportional flow control valves

综述了比例压力阀和比例流量阀国内外的研究进展，并且对比例阀未来的发展趋势进行了展望。

An over review of the proportional pressure valve and proportional flow valve at home and abroad is summarized .

本文介绍了一种新型数字微小流量阀，并通过试验研究介绍了其静动态特性。

This paper introduces a new type of digital micro flow control valve and its static and dynamic characteristics by tests .