proportional-plus-derivative control

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

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.

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。

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。

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

He made the scientific prediction that in the future society of public ownership, people would realize proportional distribution of the total amount of labor by means of direct control and planning in advance.

马克思还科学地预见了在未来公有制社会中，人们将通过直接的自觉的控制和预先制定的计划来实现社会总劳动的按比例分配。

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。

Pneumatic proportional pressure valve is the key component of continuous control and the integration of pneumatic, electronic and mechanical.

气动比例压力阀是实现连续控制及气、电、机一体化的关键元件。

Research on a Direct Control Micro-flow Seawater Proportional Pressure Valve with Electrical Feedback and Utility System

直控电反馈式微流量海水比例压力阀及其应用系统研究

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。