查询词典 vector flux

In AC drive control system, in order to obtain the high dynamic response of an induction machine, the magnetizing and torque components of stator current must be decoupled suitably respective to the rotor flux vector .

以感应电机为核心的交流拖动系统为了获得电机的高动态特性，对应于转子磁链向量的定子电流的两个分量励磁分量和转矩分量必须进行合适的解耦合。

It is well known that rotor parameters of induction motor are subjected to variability and hard to be measured, which will deteriorate performance of control systems based on the mathematical model depending upon rotor parameters, such as rotor flux oriented vector control system, indirect self-regulation.

由于工作原理和材料结构上的原因，异步电机的转子侧参数易变难测，因此所有建立在异步电机动态数学模型基础之上并且利用转子侧参数进行控制的调速系统都或多或少地受到转子参数变化的影响，例如广泛采用的按转子磁链定向的矢量控制系统。

This paper analyses the mathematical model for BDFM (brushless doubly-fed machine) based on synchronous coordinates in the point of rotor speed d-q model. A new type of power control system is designed by using flux linkage oriented vector transformation control technology.

从转子参考轴d-q模型出发，研究同步坐标下的无刷双馈电机的数学模型，根据BDFM的特性，采用磁链定向的矢量变换控制技术，设计了一种新型的功率控制系统。

And the ray tubes'initial condition (including the initial position, wave vector and power flux of each ray tube) is setup by the field distribution.

并由场分布设定每一射线波束的初始条件（其中包括每一射线波束的起始位置，它的起始波矢量和它的初始功率）。

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

The difference for the convective and pressure terms is based on the flux vector splitting method developed by Van Leer, and the alternating forward/backward vertical line Gauss-Siedel relaxation algorithm is employed to solve the differenced equations.

对通量项和压力项用Van Leer发展的迎风方法进行矢通量分裂，对离散方程采用交替方向的垂直线Gauss-Seidel方法迭代求解。

The speed-sensorless vector control of induction motor is one of the hot topics in electric-drive field, whose main study is to adopt a kind of quick and effective method to accurately observe the rotor flux and rotor speed in the condition that the parameters vary and certain and uncertain disturbance exists.

感应电机的无速度传感器矢量控制是目前电气传动领域研究的热点之一，其主要研究内容为在存在参数变化、扰动及各种不确定性干扰的情况下，采用一种快速、有效的方法对转子磁链、转子转速进行较为准确的观测。

The fuzzy controllers were used to replace PID torque adjustor and PID flux adjustor of VVVF vector control system.

用模糊控制器代替VVVF矢量控制系统的PID转矩调节器和PID磁链调节器。

This thesis presents the design and implementation of a universal ac motor control IC using complex programmable logic device. The proposed control IC is constructed under rotor flux oriented control, and may be used for vector control of both permanent magnet and induction ac motors. There are

本论文以复杂型可规划逻辑晶片(complex programmable logic device， CPLD)实现可应用於交流同步马达与感应马达伺服控制的泛用型控制IC，此控制IC采用转子磁场导向向量控制架构，包含电流回路控制器、解耦控制器与伺服控制器，为一功能完整的交流马达控制IC。

After research on vector control of AC induction motor, this paper presents the method of calculation on flux linkage .

通过对交流电机矢量控制系统的研究，介绍了转子磁链位置的计算方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。