摘要
文中介绍了一种全新的精密数字锁相测量电机转速的方法和电路,此种方法不同于目前普遍采用的M/T测速方法。使用该方法,可以直接获得始终跟随电机速度变化的测速值,测速精度高、应用简单,目前已经成功地应用于笔者研制的交流伺服系统的反馈通道中。
This paper presents a novel method of measuring motorrotating speed by using phaselocked loop.This method differs from the conventional M/T method.The new method can yield the true velocity measurement that follows the velocity all the time with precision and simplicity.The result of measurement is 12 bit data.This method has been applied to the feedback channel of a digital AC servo system successfully.
出处
《工业仪表与自动化装置》
2003年第6期41-43,共3页
Industrial Instrumentation & Automation
关键词
速度检测
锁相环
伺服系统
电机
转速
Velocity measurement
Phase locked loop
Servo system
