磁链

实现PWM整流器优化控制的磁链法

The Novel Flux Linkage Method of the Three-Phase PWM Rectifier with Optimum Control

本文介绍一种新的磁链跟踪型PWM法及其在通用变频器中的应用。

A new PWM method of magnetic linkage track and its appli-cation in the general inverter is introduced .

基于虚拟磁链的PWM整流器数学模型及仿真

Mathematical model and simulation of PWM rectifier based on virtual flux

基于虚拟电网磁链定向的电压型PWM变换器研究

Research on voltage source PWM converter based on virtual line flux oriented

电压空间矢量（磁链追踪）PWM控制研究与仿真

A Research and simulation of voltage space vector technique for pwm control

基于扩展Kalman滤波器电机转子磁链观测器的设计

Designing of Rotor Flux Observer Based on Extended Kalman Filter

PWM整流器虚拟电网磁链定向矢量控制仿真研究

Simulation Study on the Virtual Line Flux Oriented Vector Control of the PWM Rectifier

从反变换的角度对磁链追踪PWM法中的谐波情况进行了分析。

The harmonics in flux trajectory PWM is analyzed in view of inverse transformation .

无电网电压传感器三相PWM整流器虚拟电网磁链定向矢量控制研究

Virtual line-flux-linkage oriented vector control of three-phase voltage source PWM rectifier without line voltage sensors

基于转子磁链q轴分量的异步电机间接矢量控制转差频率校正

Slip Frequency Correction Method Base on Rotor Flux q Axis Component for Induction Machine Indirect Vector Control System

一种适合DTC应用的非线性正交反馈补偿磁链观测器

A New Nonlinear Perpendicular Flux Observer with Compensation Feedback Suitable for DTC Application

用模糊控制器代替VVVF矢量控制系统的PID转矩调节器和PID磁链调节器。

The fuzzy controllers were used to replace PID torque adjustor and PID flux adjustor of VVVF vector control system .

基于ESO磁链观测器的直接转矩控制的研究

Research of direct torque control based on extended state observer

磁链和转矩的控制量由定子电流d、q轴分量变为励磁电流d、q轴分量。

Rotor flux and torque control variable changes from the stator current d , q-axis components to magnetizing current d , q-axis component .

最后研究了低开关频率下基于定子磁链轨迹跟踪的优化PWM开关角实时调整策略，解决了动态调速过程中使用离线计算的优化PWM模式引起的开关角紊乱、装置过流等问题。

Finally , a real-time switching angle adjustment strategy of optimal PWM based on stator flux trajectory control at low switching frequency is proposed .

采用了磁链和转矩的优化设计思想。借助于Matlab给出了DTC的仿真波形。

Adopting flux and torque control systematic optimization design thought , DTC control simulation waveform was given with the help of Matlab .

磁链轨迹控制PWM是直接转矩控制的基础，也是现代变频器普遍采用的控制方法。

For the flux trajectory PWM control is the basis of direct self-control , it is also a common controlling means used by modern transducer .

通过BP算法调整神经网络权值，从而调整参考模型与可调模型的转子磁链误差。

Through the BP algorithm to adjust the weights of the neural network to adjust the error of the reference model and the adjustable model of the rotor flux .

准确观测虚拟电网磁链是PWM整流器虚拟电网磁链定向无电压传感器运行的关键。

The key problem of the virtual line-flux-linkage vector oriented control of the PWM rectifier without line voltage sensors is to observe the virtual line-flux-linkage accurately .

以虚拟磁链为核心，建立三相Boost型脉冲宽度调制（PWM）整流器直接功率控制系统的模型结构。

A model structure of the direct power control system of three-phase Boost type pulse width modulation ( PWM ) rectifier which focused on virtual flux was established .

该文首先对变压器磁链进行理论推导，然后建立变压器和CT模型进行仿真，并通过实验验证结果。

In this paper , the flux of the transformer is obtained by theoretical derivation , then models of transformer and CT are built for simulation , and an experiment is done to prove the results .

在矢量控制算法中，转子励磁时间常数Tr和给定转子磁链ψr对异步电机的调速性能有着至关重要的影响。

Rotor time constant Tr and the rotor flux reference value ψ r have an important effect on the timing performance of asynchronous motor in vector control .

该算法通过引入闭环比例积分（PI）校正环节和直流偏置积分校正环节对电压型磁链观测器进行校正。

A new closed loop method is proposed which uses a closed proportion integral ( PI ) regulator and a DC bias corrector to compensate for the errors .

为了准确对感应电机磁链进行实时估计，提出了一种基于人工神经网络（ANN）电压电流互补模型的估计方案。

In order to estimate the induction motor 's online flux accurately , a estimation method using voltage-current model based on artificial neural networks ( ANN ) was proposed .

DTC包括转矩和磁链的控制环节、最佳开关矢量表和电动机模型3个基本环节。

Three parts are involved : the hysteresis of torque and flux , the optimal switching vector table and the motor model .

对BPNN磁链辨识值和实际值进行了对比分析。

The flux identification value and actual value were compared .

为了进一步改善DTC系统磁链与转矩控制特性，本文将模糊PI自校正控制算法引入到磁链与转矩的调节控制环节。

To improve flux and torque control characteristics of DTC system , fuzzy PI self-tuning control is used in flux and torque control of DTC system .

针对PI参数对系统的影响，改进了PI速度调节器的设计，改善了系统的磁链和转矩控制性能。

The design of PI speed regulator is changed to improve the properties of the flux and torque of the system due to the effect of PI parameters to the system .

在此基础上，本文研究了DTC的稳定性条件，分析现有文献中所存在的问题，去除恒转速的过强假定，并引入状态反馈机制，给出了定子磁链和转矩控制的充分性条件。

Based on this , the stability analysis of DTC is presented . The stator flux and torque regulators are given by state feedback .

首先，利用MATLAB软件对直接转矩控制系统进行建模和仿真。通过对系统的仿真，得到了电流，转速，转矩以及磁链的仿真波形，证实了系统设计是正确的。

The performance of the direct torque control system is studied by simulation using MATLAB . Based on the simulation of induction motor , the waveform of current , speed , torque and flux are obtained .