The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
Then for each row from the fact table scan, the foreign key is also hashed and probed into the bit vector to determine whether the current fact table row is filtered out.
然后针对事实表扫描的每一行，外键也被散列并探测到位向量中，从而判断当前的事实表行是否被过滤掉了。
The WNV outbreak in USA (1999-2010) highlighted that importation and establishment of vector-borne pathogens outside their current habitat represent a serious danger to the world.
西尼罗河病毒在美国的疫情(1999- 2010)显示出媒介传播病原体输入并扎根于现有生存地之外的地方会对世界带来严重危险。
Vector potentials produced by uniform electric current in the shape ring, cylinder and disc are discussed.
采用柱对称性和叠加原理讨论了均匀载流圆环、圆筒、圆盘的矢势问题。
The maximum available power is obtained by the optimum current vector control considering the converter capacity and the losses of generator.
风力机按最大功率点跟踪方式运行，在考虑发电机损耗和变频器容量的前提下，通过最优化电流矢量控制获得最大输出功率。
This paper proposes a rotor flux estimator based on stator current vector orientation.
文中提出了一种基于定子电流矢量定向的转子磁链估计器。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
This paper describes a completely digitized predictive current controlled SPWM inverter based on space vector.
提出了一种基于空间矢量的全数字化预测电流控制SPWM逆变器。
An optimized space voltage vector (OSVV) Based hysteresis current control method for active power filters is proposed.
本文提出了一种基于最优电压空间矢量的有源滤波器滞环电流控制方法。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
双空间矢量调制两级协调控制能实现整流级零电流换流，极大地减少了开关损耗，提高了变换器的效率。
A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
The triangle vector basis function (RWG) is employed to simulate the current distribution.
采用三角矢量面元(rwg)基函数，模拟电流分布。
Based on the traditional control on PWM rectifier, space vector PWM predictive current controller is presented using the switching function model.
在传统的PWM整流控制的基础上，论文利用开关函数建模法，提出了基于预测电流的PWM电压空间矢量控制方法。
The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.
该芯片的判决电路采用SCFL(源级耦合晶体管逻辑)的D触发器结构，根据矢量叠加原理设计，采用差动电流放大器构成可调移相器。
And according to the mathematical model, vector control principle and minimal direct axis current control and its digital realized method were discussed.
结合数学模型，讨论了有关矢量控制的原理和直轴电流最小控制的数字实现方法。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.
感应电动机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
This paper proposes a new vector control system based on an model reference adaptive system(MRAS) of internal model current control.
本文提出一种新型的基于模型参考自适应的内模电流控制的矢量控制系统。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
异步电机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法，用瞬时无功功率和励磁电流变化来估计电机转速。
A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture.
传输当前块的预测误差信号和运动向量，这描述了参考画面中预测器块位置。
The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.
叙述了矢量控制方式，坐标变换，速度及电流控制等，通过负载试验运行结果证明了这种变频器的特点。
With force free model, it is shown that the photospheric transverse current is independent of the sense of the transverse field and can be found completely by vector magnetographic measurement.
并证明了光球横向电流与横向磁场的指向无关，因而完全可以由向量磁象仪测定。
The median of the said three predicted motion vectors is as predicted motion vector of current block.
将上述三个预测运动矢量中的中值作为当前块的预测运动矢量。
This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.
该文提出了一种采用内环空间矢量电流调节器和外环同步坐标比例积分控制器相级联的三相四桥臂逆变器的控制方案，实现了对三相四桥臂逆变器的解耦控制。
By the use of the microcomputer system of V40 on chip microprocessor, PI and vector calculations are carried out through soft ware with fast speed, low fault point and quick response to current.
采用V40单板机微机系统，PI运算及矢量运算均用软件程序实现，运算速度快，故障率小，电流响应快。
On the basis of mathematical model of AC induction motor in vector control inverter the static measurement of electrical parameters for AC motor is completed using pulse voltage and pulse current.
在矢量控制交流感应电动机数学模型的基础上，采用阶跃电压和阶跃电流的方法实现了对交流电机电气参数的静态检测。
This scheme utilize the current vector space Angle to judge the three stator current polarity, deduce the three stator voltage compensations.
该方案通过电流矢量空间角判断感应电机三相定子电流正负，推导出三相定子电压的补偿量。
By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.
异步电机矢量控制由于实现了励磁电流和转矩电流的解耦控制而具有优良的动态性能。
This paper presents a sort of improved hysteresis current control method through analyzing the traditional hysteresis current controller and combining voltage space vector modulate method.
本文通过对传统滞环电流控制器的分析，结合电压空间矢量调制方式，提出一种改进的滞环电流控制方法。
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