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

作　　者：刘思华[1,2] 王英[2] 胡广大[1] 

机构地区：[1]哈尔滨工业大学,黑龙江哈尔滨150001 [2]大连交通大学,辽宁大连116028

出　　处：《微特电机》2008年第11期15-16,22,共3页Small & Special Electrical Machines

摘　　要：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.

关 键 词：感应电动机 电流速度模型 闭环速度估计 无速度传感器 

分 类 号：TM346[电气工程—电机]