感应电动机矢量控制系统的闭环转速估计方法

Closed Loop Speed Estimation Method of Vector Controlled Induction Motor

为降低计算量,提高无速度传感器感应电动机的转速估计速度与磁链的定向准确性,基于感应电动机的电流速度模型,设计了一种简单的闭环速度估计方法,用于无速度传感器感应电动机矢量控制系统中的速度估计。实验结果验证了该方法在感应电动机控制系统应用中的有效性。

In order to decrease the computation expenses and improve the estimation speed and flux accurate orientation in speed sensorless induction motors, a simple closed loop speed estimation method for speed estimation in the sensorless vector controlled induction motor system was proposed based on the current - speed model of induction motor. Experimental results were presented to validate the law＇s use and applicability to the induction motor control system.