为了准确估计转子速度，同时辨识了电机转子电阻。
In order to estimate the speed accurately, the motor rotor resistance is also identified in the observer.
同时，也分析了转子电阻变化对速度辨识精度所产生的影响。
At the same time, the influence on precision of estimated speed is also analyzed when the rotor resistance changes.
然而，传统的磁链估计器的精度会因定子或转子电阻的摄动而降低。
However, the accuracy of traditional flux estimators will be degraded due to perturbations of stator or rotor resistance.
提出了一种具有自适应转子电阻估计器的感应电机的逆解耦控制方法。
A novel inverse decoupling control method with the adaptive rotor resistance estimator for induction motor is proposed in this paper.
最后通过试验电机杯转子电阻的测试和计算，得到了令人满意的结果。
Thus, the calculation and the measurement of the cup-rotor resistance of a test CTD variable speed motor are proceeded with a satisfactory result.
该观测器在观测定子磁链的同时也辨识了随温度变化的定、转子电阻。
With this flux observer, the stator resistance and rotor resistance, which vary with motor temperature, are identified simultaneously.
该新型估计器不包含定转子电阻，可以避免电阻参数摄动对估计精度的影响。
Therefore, the influences on flux estimation accuracy, caused by resistance parameter perturbations, are avoided.
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.
同时，为了使转速估计和转子电阻的辨识解耦，在励磁电流处叠加了小幅交流分量。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
因此，为了能更精确的估计电机转速，设计了定子电阻和转子电阻的在线辨识模块。
Therefore, in order to estimate speed more accurately, blocks of stator resistance and rotor resistance online identification were designed.
本文证明了感应电动机的解耦控制定理，分析了转子电阻变化对解耦控制系统的影响。
Decoupling theorems of induction motor are proved in this paper, effects of rotor resistance variation to decoupling control are analyzed.
本文在异步电动机矢量控制系统中提出了一种基于转子磁场定向的转子电阻自适应辨识方法。
In this paper, a novel method of rotor resistance adaptive identification based on rotor flux orientation is proposed.
本文在异步电动机矢量控制系统中提出了一种基于转子磁场定向的转子电阻自适应辨识方法。
In an induction motor field orientation vector control system, the rotor time constant may be deviated due to motor temperature variation and flux saturation.
研究了负载转矩和转子电阻在一般的未知时变情形时对异步电动机期望时变电磁转矩的渐近跟踪控制问题。
The induction motor tracking control based on passivity principle is analyzed in case of general unknown time-varying load torque and rotor resistance.
针对感应电机转子电阻与负载转矩的不确定性，在设计控制器时，引入与不确定性参数相对应的可调参数。
Considering the uncertainty of rotor resistance and load torque, adjusted parameters corresponding to uncertain ones were introduced.
磁链自适应观测器中的非线性修正项除考虑转速跟踪误差的影响外，还考虑了转子电阻估计误差和磁链观测误差的影响。
In rotor flux adaptive observers, the influence of flux amplitude tracking error estimate and rotor resistance estimate error in addition to speed tracking error is considered.
电机控制模型中的建模误差，以及系统运行中的参数漂移，诸如电机的定、转子电阻随着温度发生变化，相当于对所研究的控制系统加入了扰动。
The modelling inaccuracy and parameter drift in motor control, such as the stator and rotor resistance shift with temperature, act as the disturbance in the control system.
本文提出了绕线式感应电机转子回路电阻的斩波调节原理，设计了双环调速系统，并进行了计算机辅助设计和仿真研究。
This paper presents a chopper adapting principle of rotor's resistance of induction motor, develops a two loops speed governing system, and gives computer simulation results.
g在汽轮机不同转速时，测量发电机转子绕阻的绝缘电阻及交流阻抗，功率消耗。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
该方法是通过调节转子回路附加电阻的有级调速，难以实现平滑地调速，而且调节性能差，调速过程中大量的转差功率通过转子回路电阻转化为热能消耗掉了。
This method regulates speed by changing the number of steps of the additional resistor in the rotor circuit, so it's hard to realize smooth speed-regulation, also its performance is poor.
转子一点接地保护采用变电桥原理，增强了反应过渡电阻的能力。
The rotors one point grounded protection adopts variable electricity bridge principle and can reflect transition resistor better.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响，并分别提出了相应的对策和注意事项。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
绕线式异步电机采用转子回路串电阻调速广泛应用于我国工矿企业的提升机电控系统。
Wound-rotor induction motors that adjust speed by connecting resistors in series to rotor circuit have been easily found in the electrically controlled systems of shaft hoist.
最后，探讨了旋转、脉动高频电压信号注入法下定子电阻对转子位置估算影响的问题。
Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.
我国矿井提升绞车大多是采用交流异步电机拖动，其电气控制系统采用转子串、切电阻调速，由继电器-接触器构成逻辑控制装置。
China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
为高转矩、高转差率的电机转子找到了一种既满足电阻率要求，又具有好的铸造性能和好的力学性能的铝合金配方。
A new kind of aluminium alloy with satisfactory resistivity and good casting properties and good mechanical properties for motor rotors with high torque and high slip is found.
通过直接计算导条损耗与漏磁场能量得出了计及频率影响时转子导条电阻与转子槽漏感。
The rotor bar resistance and slot leakage inductance considering frequency effect are gotten by mean of bar loss calculation and leakage magnetic field energy calculation.
这种调速系统采用计算机控制，可无触点地调节转子的电阻来实现转子绕线式电动机软启动及调速。
By means of computer control, the speed control system can control the resistance of the motor without any contact, so to realize soft starting and speed control over the wound rotor motor.
切换采样转子一点接地保护，通过两个静态开关一开一合建立两组方程来求解接地电阻与位置。
Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.
切换采样转子一点接地保护，通过两个静态开关一开一合建立两组方程来求解接地电阻与位置。
Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.
应用推荐