气隙磁链是定子电流和动子位移的线性函数。
The air gap flux linkage is a linear function of stator current and mover displacement.
消除转矩脉动可以通过对定子电流加入谐波的方式完成。
A pulsating torque component can be compensated by inject a selected harmonic component to the phase current.
同时讨论了定子电流励磁分量给定信号对分岔条件的影响。
Influence ofd axis stator current reference on Hopf bifurcation was also discussed.
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。
This paper proposes a rotor flux estimator based on stator current vector orientation.
通过对定子电流进行细化频谱分析，可以准确识别转子断条等一类故障。
Through the Zoom spectrum analysis of stator curr - ent. such defects as rotor bar break will be recognized.
电机定子电流信号一般用电流霍尔检测，然后通过滤波器进行滤波得到。
The stator current is measured by using current whale, and then filtered.
控制器通过监测电机定子电流的大小，将其起动电流控制在允许的范围内。
Through the detection of the stator current, the control can confine the starting current within the allowable range.
给出了一种计算异步电动机降压运行时各损耗功率及定子电流电压的方法。
A calculating method on each power losses and stators voltage and current of asynchronous motors is given, which is operated in reducing stator losses voltage.
本文根据自适应滤波的原理，推导出处理鼠笼转子异步电机定子电流的方法。
The paper presents a method of processing the stator current of squirrel cage induction motor with broken rotor bar. The method is based on the theory of adaptive filter.
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.
造成电流型观测器估计误差的转子电阻不确定项，在定子电流方程中同样存在。
The uncertain term derived from rotor resistance, that produces the estimation error, appears in both the stator current equation and rotor flux equation.
仿真和分析表明，该方法提高了故障诊断时的信噪比，使定子电流频谱分析更加可靠。
The simulation and analysis results show that the solution greatly increases the signal-to-noise ratio and makes the stator current spectroscopic analysis more effective …
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。
A sensorless control strategy for permanent magnet synchronous motors is presented based on the measurement and observation of stator current, voltage and flux vector.
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 technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
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。
This scheme utilize the current vector space Angle to judge the three stator current polarity, deduce the three stator voltage compensations.
利用转子磁场定向的矢量控制技术，实现了异步电机定子电流的转矩分量和励磁分量的解耦。
Then the components between torque and magnetic field of stator winding current are decoupled which uses the rotor-field-oriented technology.
针对定子电流特征频率所携带的故障信息，目前主要有两类处理方法：小波分解和频谱分析。
According to frequency characteristics of the stator current, which carries the fault information, there are two methods: Wavelet decomposition and spectral analysis.
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。
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.
该控制器通过检测定子电流，由转矩磁通和转矩电流动态推算电动机转矩，并以此作为反馈量。
The torque controller system feeds back an assumed motor torque calculated by using the secondary magnetic flux and the torque current detected from current sensors of the primary currents.
本文在对异步电动机常见电气故障机理分析的基础上，提出了利用定子电流法来诊断电机电气故障。
On the basis of analysing the common electric trouble mechanism of induction motor, the paper proposes making use of stator current law to diagnose the induction motor's electric fault.
在矩角控制过程中将连续的旋转磁场离散为步进磁场，通过控制电机定子电流实现对电磁转矩的控制。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
分析了死区电压矢量和定子电流矢量的关系，由此得到一种根据重构电流矢量来补偿定子电压矢量的方法。
The relationship between the dead-time voltage sector and the stator current sector is analyzed and a method for compensating the stator voltage sector is proposed based on the reconstructed current.
其次，对三种电流采样方法进行分析，确定采用成本低、易于实现的桥臂电流采样方法获取定子电流信息。
Then based on the analysis of three current sampling methods, a bridge sampling method with low cost and easy implementation is adopted to obtain the current information.
详细阐述了七段式空间矢量脉宽调制实现方法，并搭建了整个系统的仿真模型，得到转矩、转速、定子电流的仿真波形。
The implementation of 7-segment SVPWM algorithm was detailed description and the simulation of the system was built, rotational, speed, the stator current simulation waveforms were got.
通过选择磁场同步旋转坐标系下定子电流和永磁体磁链为状态变量，构建估算转子永磁体磁链幅值和方向的卡尔曼滤波器。
To estimate flux magnitude and direction, a Kalman filter is built by using stator current and PM flux as state variables under magnetic field oriented coordinate.
利用图形缩放技术，对笼型异步电动机转子正常及断条情况下的定子电流信号希尔伯特模式做了研究，并概括出内在规律。
The Hilbert pattern of the induction motor stator current, which is a certain graph in nature, is investigated, using the graph zooming technique.
本文在交流电机双轴理论的基础上，以异步电动机转子磁通和定子电流为状态的状态方程为模型，推导出一种新型异步电动机磁通观测器。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
本文在交流电机双轴理论的基础上，以异步电动机转子磁通和定子电流为状态的状态方程为模型，推导出一种新型异步电动机磁通观测器。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
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