直接控制原理

根据直接转矩控制原理，介绍了DSP的结构特点及其在异步电机变频调速系统中的应用，提出了以DSP为核心的无速度传感器交流调速系统的设计方案。

According to the principle of direct torque control , the character of DSP and its application in frequency converting and speed regulating system of asynchronous motor are introduced , the design scheme based on DSP for the AC speed regulating system without speed sensor is presented in this paper .

基于直接转矩控制原理的电动执行机构

A New Electric Actuator with Direct Torque Control Method

为了改善混合动力汽车驱动系统性能，在直接转矩控制原理的基础上提出了一种基于误差等级控制感应电机的转矩控制策略。

A strategy for induction motor control based on the grade of errors is developed to improve the performance of hybrid vehicle drive system .

根据直接转矩控制原理，使用Matlab/Simulink建立了异步电动机直接转矩控制系统的仿真模型。

According to the principle of Direct Torque Control ( DTC ), a DTC system model of induction motor is constructed with Matlab / Simulink .

根据异步电动机直接转矩控制原理，提出了采用人工神经元网络速度辨识方法去实现无速度传感器的交流调速控制系统。

Based on the principle of the direct torque control , the novel identification method of induction motor speed using neural network in a speed-less sensor AC drive system was presented .

在分析直接转矩控制基本原理的基础上，利用dSPACE的快速控制原型方式和dSPACE系统的软硬件环境，在Matlab/Simulink中建立了交流异步电机的实时控制系统；

The basic principle of DTC control is analyzed and a real-time control system of the AC asynchronous motor is established in Matlab / Simulink using the rapid control prototype ( RCP ) method based on the dSPACE .

介绍了同步磁阻永磁电机（SR-PM）的结构和直接转矩控制的原理，其中重点讨论了直接转矩控制应用于SR-PM电机的特点。

This paper presents the structure of synchronous reluctance with permanent magnet ( SR-PM ) motor and its principle of direct torque control ( DTC ), especially focus on the characters of DTC in SR-PM motor .

永磁同步电机直接功率控制基本原理

Basic Theory of Direct Power Control for PMSM

针对电机转矩的控制，比较了目前广泛应用的矢量控制与直接转矩控制的原理及应用。

Aiming at the control of motor 's torque , we compare the principle and application of vector control and DTC which are used widely at present .

详细介绍了变频调速的发展过程，分析了无速度传感器矢量控制、直接转矩控制的原理，对矢量控制和直接转矩控制的转速转矩特性进行了分析。

Produced development process detail of variable frequency speed regulation , analyzed principle of speed sensorless vector control and direct torque control , and analyzed their machine capability .

直接转矩控制的原理是根据定子磁链及转矩的偏差值，选择逆变器的开关状态，以实现对转矩的直接控制。然而，在起动和负载变化阶段，直接转矩控制的反应较慢。

The principle of Direct Torque Control is to control the induction motor ′ s torque by selecting the switching states of the inverter according the deviations of torque and flux .

通过直接控制图的原理分析，针对项目不同阶段的关键质量成本因素，构造了适用于项目不同阶段质量成本控制的直接控制图。

And by using the principle of direct control chart , directing towards key quality factors of different stages of the project , this paper has constructed a direct control chart which is applicable for different stages of quality cost control .

其中重点介绍了直接电流控制技术的原理、PWM整流器d-q模型的建立及控制器设计，最后通过仿真验证了原理的正确性。

The principle of direct current control strategy and d-q model and controller design are introduced . At last , the principle is validated by simulation .

本文还研究了基于传统开关表的异步电机直接转矩控制的基本原理，比较了矢量控制和直接转矩控制的优缺点，同时在MATLAB中搭建了仿真模型。

The paper also studies the basic principle of direct torque control of induction motor based on the traditional switching table , and compares the advantages and disadvantages of vector control and direct torque control . At the same time , a DTC simulation model is built by MATLAB .

第一部分介绍了交流调速技术的发展，电力牵引技术的发展，分析了异步电机直接转矩控制的基本原理，推导了u-i、i-n两种磁链模型。

In the first part , the paper presents the developments of AC speed regulation technology and electric traction . It also analyzes the principle of induction motor direct torque control .

本文首先介绍了直接转矩控制的基本原理和工作过程。

In this paper , the basic principle of Direct Torque Control is introduced .

本文从异步电机的数学模型出发，介绍了直接转矩控制的基本原理、基本组成、数学模型，并且详细分析了直接转矩控制方法低速时性能变差的原因。

According to the mathematical model of asynchronous machines , this paper presents the principle and basic structure of direct torque control , and analyses the reason of worse performance at low speed .

首先，在详细分析了异步电机数学模型的基础上，介绍了直接转矩控制的基本原理，对传统直接转矩控制系统存在的问题进行了分析研究；

Firstly , based on detailed analysis of the mathematical model of induction motor , the principle of the conventional DTC is studied deeply , and the deficiency in the conventional DTC scheme is analyzed .

给出了交流异步电动机变频调速所应用的数学模型，并从理论上分析了直接转矩控制的基本原理，六边形和圆形磁链轨迹控制方法，以及无速度传感器技术的算法。

Mathematical model used by controlling frequency is given , then theoretically analysed the basic principles of direct torque control , hexagonal and circular flux trajectory control method , and the algorithm of non-speed sensor technology .

阐述了采用滑模控制器三点式直接转矩控制逆变器的原理、特点及微机控制方案，建立了系统的数学模型，并给出仿真波形。

The principles , characteristics and control scheme using sliding - mode controller with three level direct - torque control are depicted . The mathematical model of the system is established and the simulation waveform is also given .

然后分为两大部分讨论，第一部分首先详细研究了传统直接转矩控制技术的原理，以及方便应用于直接转矩控制中无速度传感器技术，进一步分析了传统直接转矩控制技术的优缺点。

Then it divided into two important parts . The first part focuses on the direct torque control theory starting with the traditional DTC and sensorless theory . The advantages and disadvantages of traditional DTC are discussed further .

根据电动汽车所要达到的性能指标，分析了电动汽车驱动系统的优缺点，采用空间电压矢量分析方法分析了直接转矩控制的基本原理结构及其算法。

According to performance index needed by Electric vehicle , the thesis analyses drive system of Electric vehicle and advantage and disadvantage of all kinds of motor . Keystone and arithmetic of DTC are analyzed by the way of space voltage vector .

根据我国天车提升机构电机传统启动控制方式存在的问题，介绍直接转矩控制技术的原理和优越性能，以及直接转矩控制变频器在电解天车改造中的广泛应用前景。

The paper recommends the principle of DTC converting control and its superiority as well as the prospects to apply it on innovation of crane in electrolysis shop to solve the problems existed in traditional motor Starting methods for hoist mechanism on Bridge Crane .

讨论了对智能建筑中央空调系统中的空气处理机组实现直接数字控制的基本原理，阐述了直接数字控制器硬件和软件的设计方法，并详细介绍了一种关于室温控制的复合模糊控制算法。

This Paper discusses the basical principle of direct digital control of air-handling unit which is the key part of air-conditioning system in intelligent buildings , expounds the methods to design the hardware and software of DDC controller , and introduces a compound fuzzy control algorithm in detail .

本文讨论了利用机动襟翼实现直接升力控制的基本原理，给出了实现单纯直接升力控制及机动增益控制模式时反馈参数及控制权限的确定方法。

In this paper , the fundamental of direct lift control based on maneuver flaps has been discussed . The design principles of feedback parameters and limits of authority of control for direct lift control model and maneuver gain control model based on maneuver flaps have been set up .

本文系统的综述了直接转矩控制的现状和发展情况，在详细研究了异步电机的数学模型的基础上，对直接转矩控制的原理进行了深入的理论研究和分析。

The paper entirely summarizes the actuality and development of Direct Torque Control ( DTC ) of the induction motors , and then the author made a study of asynchronous motor and DTC .