The rotor position detection is the essential tache of the self-controlled synchronous motor control system.
转子位置检测是自控式永磁同步电动机调速控制系统中不可缺少的环节。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
分析了下桥臂调制方式下绕组端电压波形，并基于此介绍了反电势法检测转子位置原理。
The theory and method of the rotor position detection and rotation speed based on absolute photoelectric encoder are introduced.
介绍了基于绝对式光电码盘的转子位置检测与转速测量的原理和方法。
According to the characteristics of elevator traction system, the rotor position detection based on hypothetical rotate frame strategy is introduced.
根据电梯运行特点，首先提出基于假定旋转坐标法的转子位置检测方法。
And then it studies a number of key technologies around the sensor less brushless DC motor control system: Rotor position detection, motor starting and the PWM control technology.
然后分析研究无位置传感器无刷直流电机控制系统的几项关键技术：转子位置检测、启动和PWM控制技术等。
The detection of rotor position plays an important part in the control of BLDCM.
中文摘要在无刷直流电机控制中，转子位置的检测至关重要。
Position detection of rotor in hybrid stepping motor servo system can use traditional outside position sensor or sensorless scheme based on theoretical algorism, but there are many problems produced.
混合式步进电动机伺服系统转子的位置检测，可以用传统的外配位置传感器或基于理论算法的无位置传感器方案，但是存在许多问题。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
无刷直流电机电枢反应造成反电势法无传感器控制中的转子位置检测误差。
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。
A simple and effective initial position detection method of surface-mounted PMSM Rotor is analyzed.
分析了一种简单有效的永磁同步电动机转子初始位置检测方法。
A simple and effective initial position detection method of surface-mounted PMSM Rotor is analyzed.
分析了一种简单有效的永磁同步电动机转子初始位置检测方法。
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