A novel inverse decoupling control method with the adaptive rotor resistance estimator for induction motor is proposed in this paper.
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 new method of parameter compensation is also suggested to avoid the influence of rotor resistance variation on the accuracy of vector control.
为了克服电机参数变化对矢量控制準确性的影响,本文建议了一种新的参数变化补偿法。
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.
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。
Balance weights, if required, shall be secured to the rotor resistance ring or rotor fins.
如果需要的话,应该配置平衡重装置以保护定子阻力环或定子翼。
Decoupling theorems of induction motor are proved in this paper, effects of rotor resistance variation to decoupling control are analyzed.
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。
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.
磁链自适应观测器中的非线性修正项除考虑转速跟蹤误差的影响外,还考虑了转子电阻估计误差和磁链观测误差的影响。
Therefore, in order to estimate speed more accurately, blocks of stator resistance and rotor resistance online identification were designed.
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。
Considering the uncertainty of rotor resistance and load torque, adjusted parameters corresponding to uncertain ones were introduced.
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。
In order to estimate the speed accurately, the motor rotor resistance is also identified in the observer.
为了準确估计转子速度,同时辨识了电机转子电阻。
Experiment result shows the system can quickly compensated the rotor resistance variation and keeps the torque nearly constant.
实验结果表明,系统能迅速补偿转子电阻的变化,使感应电动机电磁转矩系数基本保持恒定。
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。
At the same time, the influence on precision of estimated speed is also analyzed when the rotor resistance changes.
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。