一种高精度实时电机转速测量新方法  

A novel method of motor speed measurement with high-accuracy and real-time

作　　者：马金权[1] 李庆辉[1] 强盛[2] 

机构地区：[1]齐齐哈尔大学,齐齐哈尔161006 [2]哈尔滨工业大学,哈尔滨150001

出　　处：《齐齐哈尔大学学报（自然科学版）》2002年第1期42-44,共3页Journal of Qiqihar University(Natural Science Edition)

摘　　要：本文首先分析三种电机转速测量方法的优缺点 ,然后提出改进方法 ,最后给出其硬件电路及软件流程 ,并通过实验验证该方法的优越性。该测速方法被应用于某振动时效装置中 ,可实现高精度实时测量。The advantage and disadvantage of three methods of speed measurement is analyzed. Then an advanced method including hardware and software is presented. The advantage of the method is verified by the tests. This method has been applied into vibratory stress relief devices, which can realize high-accuracy and real-time speed measurement. This method can be widely applied into DC PWM variable speed system.

关 键 词：高精度 实时 测速 数字锁相环 转速 

分 类 号：TH824.1[机械工程—仪器科学与技术] TM306[机械工程—精密仪器及机械]