back-emf

基本解释

The back EMF constant and torque constant are analyzed. The calculating formulas are gived.
分析了电机的反电势常数和力矩常数,并给出了计算公式;
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
In hybrid stepper motor, the back EMF of stator winding is function of rotor position, continuous rotor position is obtained from thefunction.
就混合式步进电机而言，定子绕组的反电势是转子位置的函数，从而可以解算出连续的转子位置信息。
The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced.
主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。