前馈控制

同时，针对复杂控制系统中应用最为广泛的串级控制系统与前馈控制系统，提出了与其相适应的PID参数自整定策略；

Meanwhile , the auto-tuning strategies focused on cascade and feedforward control systems are put forward as well .

一种前馈控制的DC-DCPWM升压转换器

Feedforward Control of DC - DC PWM Boost Converter

本文介绍一种基于双H桥并联结构的梯度放大器的电路拓扑，并提出一种数字前馈控制算法。

This paper introduces a two-paralleled H-bridge topology and proposes a digital feed forward control scheme for the gradient amplifier .

本文针对甲醇进料温度串级-前馈控制回路，设计预测函数控制器，并进行MATLAB仿真分析。

In this paper , PFC controller for methanol temperature cascade-feedforward control loop is proposed , then simulate by MATLAB .

控制算法及其参数整定是DCS核心，论文中分别对单回路控制、串级控制、比值控制、选择控制、前馈控制等进行了较为深入的研究。

The control arithmetic and paraments tuning were the core of DCS , some control arithmetic were lucubrated in this paper .

并通过仿真比较该算法与PID前馈控制的效果，验证其具有良好的跟踪性能、鲁棒性和抗干扰能力。

The simulation results show that the new PFC-PID control method has better tracking performance , robustness and anti-disturbance ability than those of feed-forword PID control .

本文的特点一是采用前馈控制及PID控制复合控制方式对加载系统进行校正。

The first characteristic is : uses both feed-forward control and PID control to constitute compound control system to carry on the adjustment to the loading system .

基于IMM的伺服系统前馈控制设计

Forward Feedback Control Design of Servo System Based on IMM

在弥补PI的控制不足的基础上结合前馈控制，然后对系统的控制效果进行分析。

PI control strategy to make up for deficiencies on the feed forward control strategy to increase , then the control system analysis of the effects .

文中以并联有源电力滤波器为例提出一种改进的PWM方法，采用前馈控制消除直流电压波动对变流器输出交流电压的影响，使有源电力滤波器获得了理想的补偿效果。

A modified inverter PWM technique is proposed for APF that the effect of the compensation becomes immune to fluctuations in the DC voltage by using reference feedback .

同时芯片还包含一个调光信号前馈控制，以提高PWM调光时系统的瞬态响应。

In addition , The chip includes a dimming signal feedforward control , which can improve the transient response of the system when system works in the PWM dimming .

通过对前馈控制、反馈控制和前馈加反馈控制等几种控制策略的MATLAB仿真研究，选出了一种含PD校正环节的前馈加反馈的控制算法。

Different control methods such as feed-forward , feedback and the hybrid are studied by simulating with MATLAB . And a good control strategies is adopted which is the hybrid integrated with PD adjustment .

B样条学习前馈控制（LFFC）是一种在被控系统不能精确建模时仍能保证跟踪性的控制方法。

B-spline Learning Feed-Forward Control ( LFFC ) is a control strategy to obtain accurate tracking and is subject to reproducible disturbances .

详细地分析了三相电压型PWM整流器的基本原理及其数学模型，在矢量解耦控制策略基础上引入了负载电流的前馈控制。

Based on the systematic research of the principle and mathematical model of three-phase voltage source PWM rectifier , the load current front-back control was proposed to enhance the performance of the vector decoupling control .

为进一步提高原水流量大幅变化时的响应速度，加入流量比例前馈控制系统，使响应时间小于30s，并作为辅助控制手段，以提高系统的稳定性。

In order to further improve response speed when raw water flow change greatly , flow feed forward control was added as assistant control method .

本文设计了一款带多种保护功能的电压前馈控制型PWM模式大功率LED恒流驱动芯片。

It can improves the reliability of the chip by adding the protection circuits . A chip with multi-protection which uses voltage feedforward control PWM mode to drive high power LED with constant current is proposed and designed in this paper .

前馈控制根据结构不变性原理来对系统进行粗调整，PID控制通过改变P，I，D系数对系统进行微调整，两者协同来提高系统的加载性能。

Feed-forward control carries on the thick adjustment to the system according to the structure invariable principle , PID control carries on the micro adjustment to the system through changing P , I , D coefficients , they together enhance the performance of the system .

通过仿真分析，提出了提高传动比调节速度的变增益PID控制原理和消除车速波动的调速位置变化率前馈控制原理。

By control simulation and analysis , it is presented that a variable parameters PID control principle which can increase the adjusting speed of transmission ratio , and that a throttle change rate forward control principle which can avoid the fluctuation of vehicle speed .

详细介绍了供水自控系统中智能加矾的控制过程，即采用多参数复合环PID控制方式对加矾计量泵进行前馈控制、反馈控制、智能控制和辅助控制。

The process of intellective adding alum in the automatic water supply system is introduced in detail , which uses multi-parameter composite loop PID to adjust the pump of adding alum by means of proceding feedback control , feedback control , wise control and accessorial control .

提出一种基于CMAC神经网络与PID的并行控制器的设计方法，利用传统PID实现反馈控制，保证系统的稳定性，且抑制扰动，利用CMAC神经网络控制器实现前馈控制，确保系统的控制精度和响应速度。

Introduced a new design of parallel controller based on CAMC and PID . This method realized the feedback control by using traditional PID controller and realized the feed forward control by using CMAC neural network to increase the response speed and control precision .

在燃料量-蒸汽干度调节回路中采用基于T-S模糊模型的模糊预测控制得出控制量，并将其与水流量前馈控制量相乘，构成蒸汽干度的前馈-反馈控制。

A fuzzy predictive controller based on T-S fuzzy model is employed to obtain the control variable of fuel-dryness closed loop . And this control variable is multiplied by the feedforward control variable to form the feedforward-feedback control of dryness fraction .

本文阐述了LCL滤波器的详细原理，并通过对LCL滤波器各处电流的分析，指出了电网电压前馈控制的必要性和可行性。

The detailed principle of LCL filter is introduced in this paper . Based on analyze of the influence of gird voltage on the LCL filter , the necessity and feasibility of grid voltage feed-forward control is present .

在本设计的单相DVR仿真模型中，采用快速的前馈控制以及补偿电压最小的同相电压补偿法对负载电压进行补偿，仿真实验证明DVR能很好地对负载侧的电压暂降进行抑制。

In this design single-phase DVR simulation model , we use the rapid feed-forward control , and the minimum voltage compensation method to compensate the load voltage . Then the simulation experiment also has proved DVR can restrain the load voltage sag well .

提出一种负序电压前馈控制的不对称控制策略，抑制了D-STATCOM因负序电压分量造成的过流，保障了装置的安全可靠运行。

An unbalanced control strategy of feed-forward control for negative sequence voltage is also carried out to suppress converter overcurrent caused by negative voltage in order to make D-STATCOM safe .

本文针对R-T型晶圆传输机器人，在PD加前馈控制和计算力矩控制的基础上，引入了鲁棒补偿控制算法，并对鲁棒控制器的表达式和鲁棒控制方法的误差收敛性进行了推导。

So it is difficult to obtain high precision control using conventional PID control . The paper studies on the PD control with feedforward compensation and the computed torque method focusing on R-T wafer transfer robot . On the basis of that , the robust control is introduced in .

利用卡尔曼滤波的方法，将船舶的低频和高频运动信号分离，得到船舶运动状态的最佳估计，并结合风力前馈控制，设计了基于卡尔曼滤波的LQG动力定位系统。

A Kalman filtering method is used to separate the low frequency signals and high frequency signals as well as to get the optimal state estimate of the vessel motion . Combining with the wind force feedforward control , a LQG-DP system based on Kalman filtering is designed .

利用一种新型非线性比例积分微分（NLPID）控制器进行反馈控制，并与神经网络前馈控制相结合，对传统的主蒸汽温度控制系统进行改进，以提高其适应性和鲁棒性。

By using a new-type nonlinear proportional integration differential ( NLPID ) controller for feedback control , and in combination with the feedforward control of neural network , conventional control system for main steam temperature is ameliorated and its adaptability and robustness enhanced .

时间（英文）在控制算法方面，设计了智能控制算法，同时引入复合前馈控制，仿真结果表明利用此方法能够获得很好的控制效果。

At the same time , compound control method is added .

背靠背变流系统中优化前馈控制策略的研究

Study of the Optimum Feed-forward Control Strategy in Back-to-back Converter System

结果表明采用模糊前馈控制方式是有效的。

The result shows that the fuzzy feedforward control is effective .