基于磁编码器无刷直流电机转速及位置的检测*

摘要

论文采用了磁编码器作为无刷直流电机位置传感器，介绍了其工作原理和输出模式，以及相应的电机转子位置和转子速度测量的几种方法。最后给出了基于STM32F407ZG的无刷直流电机转子位置和转速测量单元的实现，实验表明，该方案具有良好的精确度及可靠性。%Regarding magnetic encoder as position sensor of the brushless DC motor ,the operating principle and output modes of magnetic decoder ,as well as the measuring methods of rotor position and rotor speed are introduced .Finally the uint of measuring rotor position and rotor speed of the brushless DC motor based on STM32F407ZG are achieved ,and the experiments show that the scheme has good accuracy and reliability .