提出一种新的定子磁链观测方法。
In this paper, a new stator flux observation method was proposed.
讨论了空间电压矢量与定子磁链之间的关系。
It is discussed the relation between space voltage vector and stator flux.
提出了一种基于逆变器开关占空比的定子磁链估计方法。
This paper presents a stator flux estimation method based on the duty cycles of inverter switching.
提出了一种基于新型积分算法的异步电机定子磁链估算方法。
A novel stator flux estimation method based on integration algorithms is proposed in this paper.
目前，在直接转矩控制中大多采用电压模型来估算定子磁链。
At present, the flux estimation based on voltage model is widely used in direct torque control system.
通过直流电源电压的变化，可以方便地调节定子磁链的旋转速度。
With the variations in the DC supply voltage, it is easy to alternate the input DC voltage of the converter and control the rotating speed of stator's magnetic flux.
异步电动机内部存在三种磁链，即转子磁链、气隙磁链和定子磁链。
In asynchronous machine there exist main kinds of flux linkage, that is: rotor flux-linkage, air-gap flux-linkage and stator flux-linkage.
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.
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.
系统采用具有自适应补偿的电压模型估算定子磁链，PI自适应法估计转速。
The stator flux is estimated by adaptive compensated voltage model, and the speed is estimated with PI adaptive method.
由于状态方程以定子电流和定子磁链为状态变量，定子磁链可直接观测得到。
Because the state equation's state variables are stator current and stator flux, the stator flux can be observer direct.
进一步讨论了感应电动机磁链控制模型，给出了定子磁链渐近跟踪控制的条件。
This paper deals with the problem of a robust asymptotic output tracking control of fully input-output linearizable nolinear systems via output feedback.
本文对一种新型的基于定子磁链定向的无速度传感器矢量控制系统作了研究和分析。
In this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.
根据永磁同步电机定子磁链和转矩角均可控的特点提出了一种最优直接转矩控制方法。
A new torque control method was presented according to the characteristic that the amplitude of stator flux linkage and torque Angle are all controllable.
电动汽车直接转矩模糊控制系统中，定子磁链观测器采用电压模型时，系统低速性能变差。
In a direct torque fuzzy control system of electric vehicle, when the voltage model is used as stator flux observer, the system's low speed performance becomes poor.
为了提高直接力矩控制系统中定子磁链的观测精度，提出了一种新的定子磁链自适应观测器。
In order to improve the observing precision of the stator flux observer of DTC systems, a new adaptive stator flux observer is proposed.
永磁同步电机转矩中定子磁链幅值和转矩角均为可控变量，直接转矩控制的实现方法不唯一。
The amplitude of stator flux and torque Angle in permanent magnet synchronous motor (PMSM) are controllable, the implementation method of direct torque control in PMSM is not unique.
此方案以估计出的位置角为反馈量，采用闭环双积分结构，分别估计了定子磁链的幅值和相位。
The amplitude and phase is estimated respectively through a double integrator close-loop, in stead of vector of flux, with angular and speed as feedback.
运用定子磁链定向的双馈异步发电机矢量控制能够实现定子侧有功功率和无功功率的解耦控制。
The stator flux-oriented vector control method can realize de-coupled control of active and reactive power.
对比了不同的定向矢量控制方式的优缺点，采用定子磁链定向的矢量控制方式来控制双馈电机。
The various control strategies for different space vector oriented were compared for the doubly fed machine.
它直接对电机的定子磁链和转矩进行控制，其结构简单，控制手段直接，具有良好的动静态性能。
It directly controls the electromagnetic torque and stator flux linkage. It has simple structure, directly control means and high stable and transient performance.
它采用空间矢量的分析方法，采用定子磁场定向，直接对电动机的电磁转矩和定子磁链进行控制。
It directly controls the electromagnetic torque and stator flux, using the analyzing method of space vector and stator flux orientation.
在此基础上，提出定子电阻整定的定子磁链估计方法，并建立一个定子磁场定向直接转矩控制的仿真系统。
On the basis of the scheme, a stator flux estimate technique based on stator resistance compensation is also presented, and the simulation system of the direct torque control project is established.
针对上述问题，给出了一种通过细化电压矢量合成扇区和开关信号选择表，优化定子磁链补偿电压的改进方法。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
实验结果验证了定子磁链定向的矢量控制策略既能保证定子输出频率恒定，又能较好地跟踪风力机的最大功率输出。
The stator flux-oriented vector controlling strategies of keeping stator frequency constant and capturing the maximum wind power are verified by experiment results.
介绍了变速恒频风力发电的基本原理，并采用定子磁链定向的矢量控制方法得到了双馈发电机的矢量控制系统模型。
The thesis presents the principle of VSCF wind Power. In this thesis, we adopt the vector control strategy of stator field-orient and gain a vector control system model of double-feedback generator.
结合定子磁链控制，提出异步电机基于定子磁链幅值恒定的电压矢量控制方案，并对该方案的非线性局限进行了分析。
Then a voltage vector control scheme for induction motors based on constant stator flux is presented and it's nonlinear limitations are analyzed.
本文在综述感应电动机的控制方法和详细分析感应电动机数学模型的基础上，研究了定子磁链和转矩的跟踪控制问题。
Based on the analysis of the mathematical model of induction motor, this paper addresses the problem of tracking control of stator flux and torque.
最后本论文提出了一种改进的磁链模型，引入了单神经元网络PID控制器来调节定子磁链，并建立了相应的磁链模型。
Finally, this paper presents an improved model of the magnetic chain, using a single neural network PID controller to adjust the stator flux, and set up the corresponding flux estimation model.
在直接转矩控制理论基础上，推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
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