Bonded multi-pole magnet rotors are used in a wide variety of speed and commutation applications such as to rotary encoders, speedometers and machine controls.
多极磁铁转子广泛使用在各种速度和整流应用中，如对旋转编码器，里程表和机器的控制。
2
A strategy controlling winding commutation directly to control motor is proposed with respect to the principle of machine.
分析了稀土永磁无刷直流电机原理特性，提出了一种通过直接控制绕组换向时间进而控制电机转速的方法。
3
In this paper, it is mainly introduced the electrical principles of soft -start inverter with load commutation on synchronous machine, and described the general models of synchronous machine.