torque current meaning in English
转矩电流
Examples
- The stator flux linkage are identified in frame by a kalman filter and used to compensate torque current to eliminate the torque ripple
通过仿真对控制效果进行了分析。 8 、设计了一种新型干扰观测器,对其控制结构进行了理论分析。 - The paper lucubrated the control theory of induction motor ' s vector transform and the method of calculating speed by induction motor ' s torque current weight , based on which , the paper designed a close - loop speed - sensorless vector control vwf system and realized the system in matlab / simulink
本文深入研究了感应电动机矢量变换的控制理论和利用电动机转矩电流分量进行速度推算的方法。在此基础上设计了一个闭环的无速度传感器矢量控制变频调速系统。 - Motion control is a comprehensive subject . modern ac drive is a important embranchment in the field of motion control . however , it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control . with vector control technology decoupling and torque control of ac motor are solved . the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively , thus induction motor can be considered dc motor and high performance is achieved easily . with the progress of electric and electronic technology and the development of computer , high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流调速系统实现很困难,这是因为交流电机是多变量、强耦合的非线性系统,不易实现高性能转矩控制。矢量控制技术则解决了交流电机解耦与转矩控制问题,其基本思路? ?应用坐标变换将三相等效为二相,实现定子励磁电流分量与转矩电流分量之间的解耦,达到对交流电机磁链与电流分别控制的目的,交流电机等效为直流电机实现高性能调速。随着电力电子技术的进步,计算机技术飞跃发展,高度集成的专用模块和高精度的数字信号处理器应用于交流传动系统中,促进矢量控制迅猛发展,日趋成熟。 - Some research about sensorless control of induction motors in recent years has been introduced in chapter one . in chapter two , a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly , which is proved in theory that the voltage feed - forward decoupler can be omitted , the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system
论文第二章从异步电机的基本数学模型入手,介绍了一种基于转子磁场定向的带电流内环控制的电压型逆变器输出闭环矢量控制结构,在理论上证明了该模型可省略电压前馈解耦环节,采用f240dsp芯片构建的带速度传感器实验系统验证了其定子电流励磁分量和转矩分量有良好的解耦控制特性。 - Keep the rotor current and the stator flux verticality on the stator current orientation , the paper realizes the rotor current orientation . the speed system has two channels , makes the machine decouple , realizes the independent control of the excitation current and the torque current and gives the excellent performance
双馈电机转子电流定向矢量控制调速系统完全分为两个通道,解除了双馈电机的内部耦合,实现电机的励磁电流与转距电流的分别控制,使双馈电机的调速性能优异。