back-emf

基本解釋

The back EMF constant and torque constant are analyzed. The calculating formulas are gived.
分析了電機的反電勢常數(shù)和力矩常數(shù),并給出了計算公式;
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
分析了諧波反電勢信號的構(gòu)成，設計了相應的位置信號檢測電路及步進電動機的微機控制系統(tǒng)。
In hybrid stepper motor, the back EMF of stator winding is function of rotor position, continuous rotor position is obtained from thefunction.
就混合式步進電機而言，定子繞組的反電勢是轉(zhuǎn)子位置的函數(shù)，從而可以解算出連續(xù)的轉(zhuǎn)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.
主要分析了反電動勢感應方法，并闡述了虛擬中點法和三段式起動技術(shù)。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波電流驅(qū)動的BLDC電機無位置傳感器控制檢測轉(zhuǎn)子位置的最重要方法是反電動勢檢測法。