基于磁编码器永磁同步电动机转速及位置的检测

Measuring Velocity and Rotor Position of PMSM Based on Magnetic Encoder

本文采用了磁编码器作为永磁同步电动机位置传感器,介绍了其工作原理和输出模式,以及相应的电机转子速度和转子位置测量的几种方法.最后给出了基于TMS320LF2407A的永磁同步电动机FOC控制系统中,转速和转子位置测量单元的实现,实验表明,该方案具有良好的精确度及可靠性.

This paper presents a magnetic encode, which is used for position sensor of PMSM, summarizing the operating principle and output mode of magnetic decode, introduce the measuring methods of velocity and rotor position. The unit of measuring velocity and rotor position in FOC control system of PMSM which based on TMS320LF2407 is also given, which have higher precision and reliability.