The focus of this dissertation is in chapter three- application of EKF estimator in speed-sonserless vector control system of IM.
本论文的核心是第三章——基于卡尔曼滤波估计的无速度传感器矢量控制系统。
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.
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。
When the air-gap flux of the induction motor is saturated, the conventional adaptive speed estimator cannot avoid the influence of the non-linear inductance variation.
当交流电机气隙磁通发生饱和时，常规的自适应速度估算法无法避免由于电感量的非线性变化带来的影响。
Simulation results show that this fuzzy-neural network estimator can precisely measure the value of resistance and improve the low-speed performances of DTC system efficiently.
仿真结果表明了模糊神经网络观测器可实现对定子电阻的精确检测，从而提高直接转矩控制系统的低速性能。
This paper investigates the rotor flux estimator which replace integrators with two lag circuits. The experimental results indicate good speed responses.
通过用二个延迟回路的转子磁通推算器代替积分器，实验结果表明具有良好的响应特性。
This paper presents a kind of direct torque control with a stator resistance estimator for an AC motor speed-governing system based on fuzzy logic control.
介绍一种基于模糊控制理论的定子电阻辨识器的直接转矩控制交流电机调速系统。
An improved rotor flux estimator based on voltage model was proposed for speed sensorless field-oriented vector controlled induction motor drives.
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。
Then, the induction motor vector control theory and its mathematical models were analyzed, with the speed estimator model.
其次，分析了异步电动机矢量控制原理和数学模型，以及转速推算模型。
And a new hybrid speed identification method is also proposed, which based on the neural network, combines the open loop estimator and the instantaneous reactive power model reference adaptive system.
介绍了异步电动机矢量控制系统神经网络速度控制器的设计方法；同时提出了将开环直接计算与模型参考自适应方法相结合的神经网络混合转速辨识模型。
Speed estimator of sensorless vector control system based on variable argument PI adaptive mechanism;
根据感应电机无速度传感器矢量控制原理，采用遗传算法进行转速辨识。
Speed estimator of sensorless vector control system based on variable argument PI adaptive mechanism;
根据感应电机无速度传感器矢量控制原理，采用遗传算法进行转速辨识。
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