无位置检测器无刷直流电机自寻最佳点切换法  

THE METHOD FOR BRUSHLESS SENSORLESS DC MOTOR TO AUTOMATICALLY SEARCH THE BEST TIME TO CHANGE ITS OPERATION STAGE

作　　者：郝晓辉[1] 刘昌旭[2] 

机构地区：[1]清华大学 [2]西北工业大学

出　　处：《微电机》1998年第1期22-24,共3页Micromotors

摘　　要：提出一种新颖的自寻最佳点切换法，解决了反电势换向运行的无位置检测器无刷直流电机控制中存在的由起动段外同步运行到反电势换向自同步运行的切换过程容易失步的问题。成功地把它运用于研制的样机中。In this paper,a new method which permits the sensorless brushless motor which use the back EMF as the commutation signal automatically search the best time to change its operation stage from a seperately controlled synchronous one to a self controlled brushless one is provided.This method prevents the stepping out problem in the changing procedure of this motor.The satisfying performance of the prototype motor proved that it is a perfect method.

关 键 词：切换法 无位置检测器 无刷直流电动机 直流电机 

分 类 号：TM330.3[电气工程—电机] TM330.2