the motor back-EMF的意思|示意

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 this paper, the magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression of the harmonic back EMF is deduced.

利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电动势的表达式。

The "Back-EMF" method is the simplest and most popular method for detecting the rotor position in trapezoidal brushless dc motor.

反电动势法是检测无刷直流电机转子位置用的最简单、最常用的方法。

On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.

在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法，设计了步进电动机的微机控制系统。

This paper analyzes the advantage of using sensor2 less brushless DC motor in fuzzy conversing air - condition , the back EMF method and the start technique.

介绍变频空调采用无传感器无刷直流电机作为压缩机的优越性，反电势检测的基本原理以及起动方法。

The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.

利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。