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。
2
The system with CPU drives the DC brushless motor, and the encoder indicates the motor position outputting the sine and cosine signal.
系统采用CPU驱动直流无刷电机转动，编码器输出的正余弦信号指示电机的位置。
3
The incremental magnetic rotary encoder, as a corner position sensor, can be improved its measure accuracy by the way of quadruplicated frequency circuit.