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.
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。
Then a voltage vector control scheme for induction motors based on constant stator flux is presented and it's nonlinear limitations are analyzed.
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。
Finally, simulating experiment for the whole system is carried through with the stator flux-oriented vector strategy and control arithmetic of rotor speed perturb and power observation.
最后本文采用定子磁场定向的矢量控制策略，结合转速扰动功率观测的控制算法对转子侧进行了仿真验证。
The stator flux-oriented direct torque control is widely used in high performance motion control of induction motors.
定子磁场定向的直接转矩控制逐渐被广泛应用于高性能异步电机调速系统。
Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.
在分析了该系统控制方法的基础上，建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。
This method is compared to the well-known direct field-oriented control (FOC) and stator flux vector control (SFVC) methods.
将该方法和著名的直接磁场定向控制(FOC)和定子磁通矢量控制(SFVC)进行比较。
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.
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。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
It directly controls the electromagnetic torque and stator flux linkage. It has simple structure, directly control means and high stable and transient performance.
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。
In the paper, the structure, operation principles and flux weakening control methods for the stator doubly-fed doubly salient (SDFDS) motor are introduced.
介绍了定子双馈电双凸极电机(SDFDS)的结构、原理和弱磁调速控制方法。
In low speed, stator resistance directly affects the performance of stator flux oriented control system.
在低速时，定子电阻对定子磁场定向控制影响较大。
A sensorless control strategy for permanent magnet synchronous motors is presented based on the measurement and observation of stator current, voltage and flux vector.
根据测量和观测的定子电流、电压和磁链，提出了一种永磁同步电动机无传感器控制方案。
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.
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。
A new torque control method was presented according to the characteristic that the amplitude of stator flux linkage and torque Angle are all controllable.
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。
Based on the analysis of the mathematical model of induction motor, this paper addresses the problem of tracking control of stator flux and torque.
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。
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.
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 this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.
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。
Then a vector control method with speed closed-loop and magnetic linkage closed loops put forward, which is based on the constant velocity by means of stator flux-oriented vector control.
在基于定子磁场定向的矢量控制恒线速运行控制方案的基础上，提出了一个速度闭环、磁链闭环的矢量控制方案。
The stator flux-oriented vector control method can realize de-coupled control of active and reactive power.
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。
Traditional DTC uses hexagon flux control or six-section circle-flux. When the voltage of stator resistance is considered, its section choice has defect.
传统的直接转矩控制采用六边形磁链控制或六区间的圆形磁链控制，造成转矩脉动大，而且当考虑定子电阻压降的影响时，其区间选择存在缺陷。
Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux.
直接转矩控制的感应电动机的速度控制需要有效地建立定子磁 通。
The thesis introduces the basic principle of Direct Torque Control on asynchronous motor. In the beginning, stator flux and torque can be got through a typical mathematics model of asynchronous motor.
本文首先介绍了异步电动机直接转矩控制的基本原理，从异步电动机的数学模型入手，逐步分析，从而得到磁链和转矩。
In the MATLAB, using a structured design method, a dual PWM converter control system model were established on the basis of the stator flux field vector control technology.
该模型基于定子磁场定向的矢量控制方法，采用双pwm变流器，对大型并网风电机组的最大风能跟踪、有功和无功功率的解耦控制进行了仿真。
This thesis introduces the basic principle of direct torque control on asynchronous motor. Through mathematics model of asynchronous motor, stator flux and torque can be got.
本文首先介绍了异步电机直接转矩控制的基本原理，从异步电机的数学模型入手，逐步分析，从而得到磁链和转矩。
This thesis introduces the basic principle of direct torque control on asynchronous motor. Through mathematics model of asynchronous motor, stator flux and torque can be got.
本文首先介绍了异步电机直接转矩控制的基本原理，从异步电机的数学模型入手，逐步分析，从而得到磁链和转矩。
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