闭环控制

PLC闭环控制技术在石油工业中的应用

The using of PLC closed loop control in petroleum industry

介绍用变频器PID闭环控制改造的措施及效益。

The measure and benefit of inverter PID closed loop control reformation were introduced .

直流电动机PID神经网络双闭环控制系统

Double Closed Loop PID Neural Network Control System of DC Motors

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

三相电压型PWM逆变器双闭环控制策略研究

Research on Double Closed-Loop Controlling Strategy Based on Three-Phase Voltage Source PWM Inverter

小车行走速度的调节也采用闭环控制，由数字PI产生PWM脉冲，驱动行车电机。

The speed of the car adjusts by the closed - loop control .

TIG焊熔宽的自整定PID闭环控制系统

Auto-tuning PID control system for molten pool in TIG welding

下位机PLC程序设计中实现了预估模糊PID控制算法和洗涤转动角度的闭环控制。

The PLC control programs can realize closed-loop control of fuzzy-PID controller with predictive model designed and washing rotary angle .

应用PLC实现模糊PID以及常规PID算法进行模拟量闭环控制。

Realizes fuzzy PID as well as the conventional PID algorithm using PLC carries on the simulation quantity closed-loop control .

对其速度闭环控制系统，应用了模糊PID控制策略，实现了摊铺机恒速控制。

The fuzzy PID control strategy is applied to the closed loop speed control system to realize consistent speed control .

使用可视化编程语言实现EMS测试的闭环控制

Close-Loop Control for EMS Test Realized With Visual Programming Language

采用变参数PI控制方法，对关节的力闭环控制进行了试验。

Using the variable argument PI control method , the force control of joint is studied .

弧焊电源三相PFC的闭环控制研究

Closed Loop Control for Three-phase PFC of Arc Welding Power Supply

研制用可编程序控制器（PC）对国产1.6米切片机实现闭环控制。

The closed loop control of chinese & built 1 . 6 meter slicer by use of programmable controller has been developed .

本文建立了辅料给料速度的数学模型，给料速度采用数字PID控制算法实现闭环控制。

The paper established mathematical model of the feeding speed , feeding speed uses digital PID controller to accomplish closed loop control .

根据工艺要求与控制要求在线留着率控制采用PID闭环控制。

Based on the workmanship requirement and the control technology , the on-line retention control are used the PID closed loop control .

PWM控制节能式电火花线切割脉冲电源主电路是一个电流闭环控制系统，放电电流的动态特性是影响电火花线切割加工工艺性能的重要因素。

The main circuit of the wire-incisory pulse power with PWM energy-controlled electric spark serves as a closed loop .

针对高精度定位的需要，设计了数字闭环控制系统，引入数字PID模糊控制器以提高系统的定位性能。

To meet the need of high-precision positioning , a digital feedback controller is adopted to improve the performance of the ultra-micropositioning system .

下位机采用PID算法，形成闭环控制，对电机的运动速度进行控制，并加入了扰动解耦环节，提高了机器人运动的精确性。

We adopted the PID algorithm in the closed control circle to control the speed of the motor to improve the motion precision .

接着分别采用内模PI控制策略和单神经元PI控制策略对开关磁阻起动/发电系统发电电压闭环控制进行了设计。

The generating closed loop control is designed by the internal model PI control and single neuron PI control .

以Internet为媒介进行控制信息的传送，是远程控制发展的重要趋势，而Internet传输时延的不确定性，使得这样的远程控制信息闭环控制系统难以实现。

Transmission of control information via Internet is an important trend in remote control , whereas the uncertainty characteristic of the network time-delay brings great difficulties in thus closed-loop remote control system .

电路采用闭环控制，使该电路具有稳定的输出电压，并采用PWM控制方式。

The circuit uses closed-loop control strategy to make sure that it has stable output voltage , and adopt PWM control mode .

为了实现对温度和质量流量的精确控制，温度和质量流量要采用闭环控制。上位机对下位机及各智能模块的控制是通过VB编程实现的。

The temperature and flow mass is controlled by the closed loop-system , so that the controlling can be more accurate .

本文采用PID控制对采样电压操作，PID控制作为工业上成熟的闭环控制方式，广泛应用在能源、制造、医疗等方面。

As the mature closed loop control pattern in industry , PID control is widely used in numerous fields such as energy , medicine , manufacture .

然后，本文在传统双闭环控制的基础上，内环的控制算法不变，改变外环控制器的设计算法，主要采用IP控制方案。

Then , this thesis applies IP control algorithm to change controller in outer loop but not in inner loop based on basic double closed loop control system .

采用富士PLC、人机界面与变频器实现了低速风洞数据采集和风速的闭环控制。

The low speed wind tunnel data acquiring and the closed loop controlling of wind velocity are realized by PLC and human machine interface and inverter from Fuji .

控制器以8031单片机为核心，采用积分分离PID算法，对炼胶釜的温度采用闭环控制。

The controller uses an 8031 single chip microprocessor , adopts integrate separate PID algorithm , and applies close loop control to the temperature of the producing pot .

文中采用配有自动电压调节器（AVR）的发电机励磁与系统母线装设SVC的方法，SVC采用闭环控制，研究其对电压稳定和无功补偿的效果。

This paper studies the effect of SVC or AVR in improving system voltage stability and reactive compensation .

采用不完全微分PID算法实现电解电流的闭环控制，并且应用人工神经网络技术建立系统的施电模型。

The inexact differential PID algorithm is adopted to implement the closed loop control of the electro chemical dissolution current . The current distribution model on artificial neural network is established .

该移动补偿系统利用高精度太阳敏感器构成半闭环控制系统，通过偏移CCD势阱来实现一个方向上的移动补偿。

The jitter compensation system incorporates HASS that is used in a semi-closed loop system to shift the CCD potential wells in order to compensate for jitter in one dimension .