摘要
本文应用模型参考自适应方法对感应电动机的转速进行辨识,直接采用实际电视作为参考模型,可调模型为电机的全阶状态观测器,导出自适应律中只包含定子电流的误差项,因而不必计算转子磁链电压模型,并将转速辨识结果应用于直接转矩控制系统进行速度闭环控制。仿真结果证明了这种方法的有效性。
This paper presents a method of estimating the speed of an induction motor. The method is based on the theory of Model Reference Adaptive system that directly uses the operating motor as reference model and uses adjustable model as full-state observer. In the adaptive law there exists stator current error so it is not ne cessary to calculate the voltage model of rotor flux. The result of speed estimation can be used in a direct torque control system. Simulation results indicate the validity of this method.
出处
《电气传动》
北大核心
1999年第3期16-19,共4页
Electric Drive
关键词
感应电动机
模型参考
速度辨识
直接转矩控制
induction motor model reference adaptive system speed estimation direct torque control