结果表明：不检测转子磁链的滑差频率矢量控制系统具有结构简单、控制性能优良等特点。
The result show that the system possesses the features of simple structure and excellent control characteristics etc without detecting the slip frequency of the rotor's magnetic field.
对传动链中的转子叶片和机械部件的合理性进行检查，可以借鉴相似大小风机设计经验。
The rotor blades and the machinery components in the drive train are also checked for plausibility, if it is possible to apply the experience gained in the dimensioning of similar turbines.
但是对转子磁链估计的精度要求很高。
当电机转速的估计值收敛于转速的真实值时，观测的转子磁链也收敛于其真实值，可将其用于直接磁场定向控制中。
When the estimated speed converges to the actual rotor speed, the rotor flux observed converges to its true value, which can be used in direct field orientation control (DFOC).
仿真结果表明，这两种模型能够快速准确地估计在负载变化条件下感应电机的转子磁链。
The simulation results show that the models can instantaneously and accurately estimate the rotor flux magnitude of an induction motor under a variety of load conditions.
根据矢量控制理论和自动控制原理，建立了转子磁链定向的双馈异步电动机电流模型矢量控制系统。
Based on the theory of vector control and automatic control system, the vector control system of current model for doubly-fed asynchronous machine with field-oriented rotor was established.
控制算法采用转子磁链观测的矢量控制算法。
Vector Control algorithm based on Rotor Field Oriented is used.
并且进行编译调试，验证了电压计算、转子磁链观测以及SVPWM输出等子程序的正确性。
The system proved its validity of subprograms which include voltage calculation module, rotor magnetic chain observation module and SVPWM output module.
电流模型是转子磁链定向控制的关键，这里对其进行了离散化分析。
Current model is the key part in the rotor flux linkage oriented control system, and its discretization analysis is conducted.
根据外环给定电磁转矩的不同，调整内环转子磁链给定值，以达到能量优化控制的目的。
According to the inner rim rotor flux linkage given value can reach the purpose of the energy optimization control.
介绍了一种采用磁链和开环速度估算器的转子磁场定向的控制系统，系统设计的的关键问题是磁链的观测和速度的准确估算。
A rotor flux oriented control system with flux and open-loop speed estimators is described. The key module of this system is the flux and speed estimator.
实现实际转子磁链定向矢量控制系统的关键是磁链模型的计算精度和环路PI调节器的正确整定。
The key to realize a practical rotor field oriented vector control system of inductive motor is both the calculative precision of flux model and the adjusting of PI regulator.
开关磁阻电动机在两相励磁的工作条件下，定转子轭部磁场高度饱和使每相磁链有所减小。
When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
异步电机矢量控制的关键问题在于精确地估计转子磁链。
In vector control of induction motor, the key problem is to estimate rotor flux accurately.
可调模型包含电机转速的信息和一个电流模型转子磁链观测器。
The adjustable model contains the information of rotor speed and a current model rotor flux observer.
该观测器在观测定子磁链的同时也辨识了随温度变化的定、转子电阻。
With this flux observer, the stator resistance and rotor resistance, which vary with motor temperature, are identified simultaneously.
实验研究表明，采用梯形积分的转子磁链离散化法和遇限削弱积分pi控制算法，能够有效地改善系统的高低频转矩响应。
Experiments shown that the system torque performance can be improved effectively by dispersing rotor flux with trapezoid integrator and numerical PI regulating with correction of the integral term.
在此模型的基础上，运用模糊算法，以电流和磁链作为输入、位置作为输出，检测出转子的位置。
Then using fuzzy algorithm with phase current and flux linkage as inputs, the rotor position can be detected.
异步电机无速度传感器矢量控制系统需解决两个问题：转速的估计和转子磁链的观测。
Two problems must be solved in the speed sensorless Field Oriented Control of induction motor drive: the speed estimation and rotor flux observation.
然而，传统的磁链估计器的精度会因定子或转子电阻的摄动而降低。
However, the accuracy of traditional flux estimators will be degraded due to perturbations of stator or rotor resistance.
针对感应电机无速度传感器磁场定向控制系统，提出一种基于电压模型的改进转子磁链观测方法。
An improved rotor flux estimator based on voltage model was proposed for speed sensorless field-oriented vector controlled induction motor drives.
磁链自适应观测器中的非线性修正项除考虑转速跟踪误差的影响外，还考虑了转子电阻估计误差和磁链观测误差的影响。
In rotor flux adaptive observers, the influence of flux amplitude tracking error estimate and rotor resistance estimate error in addition to speed tracking error is considered.
本文对基于转子磁链定向的无速度矢量控制系统进行了仿真，对本文所讨论的算法进行了可行性验证，取得了很好的效果。
This paper based on the rotor flux vector control system speed is simulated, and the discussion on the feasibility of the algorithm is verified, and good results have been achieved.
通过对SRM模型的有限元分析，得到了SRM的随转子位置变化的电感曲线，同时得到了转矩、相电流及磁链曲线。
Through FEA(Finite Element Analysis)of SRM, we can get the inductance curve changes following the position of rotor. We can also get the curve of torque. current and flux linkage.
同时讨论了电源合闸角、转子初始相角、磁链和负载转矩对电机转速和旋转方向的影响。
Influences on the speed and direction of the rotation by the phase Angle of the supply voltage, initial Angle of rotor position, PM line flux and the load torque are discussed.
文中提出一种基于转子位置的面贴式永磁同步电动机的定子磁链估计方法。
A novel stator flux estimator based on rotor position is presented, which is applied for direct torque controlled(DTC)surface mounted permanent magnet synchronous motor(PMSM)drives.
基于动态估算的电机永磁体磁链，可为永磁同步电机控制系统实时提供准确的转子磁链信息，提高系统控制性能和效率。
Permanent flux based on dynamic estimation can offer real-time accurate rotor flux information, which can obviously improve the control performance and efficiency of PMSM.
但是间接矢量控制系统对电机参数具有依赖性，因为它利用电机的模型参数来获取转子磁链。
But it is machine parameters dependent since the model of the machine is used for flux estimation.
提出一种估计异步电机转子速度和转子磁链的新型降阶推广卡尔曼滤波器算法，建立了基于此算法的异步电机无速度传感器矢量控制系统。
A speed sensorless vector control system of induction motor with estimated rotor speed and rotor flux using a new reduced order extended Kalman filter is proposed.
本文方案是基于转子磁链定向、通过固定开关频率、运用空间矢量调制(SVPWM)方法的矢量控制。
This scheme is based on the rotor flux, through the fixed switching frequency and using space vector modulation (SVPWM) method vector control.
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