Rotating speed calculation method of magnetic encoder

The invention relates to the technical field of speed measurement of magnetic encoders, in particular to a rotating speed calculation method of a magnetic encoder, which comprises the following steps: periodically reading an output signal value of the magnetic encoder, calculating an angle increment of the magnetic encoder in a continuous period according to the output signal value, and judging a rotating state of a motor according to a change rule of the angle increment. According to the speed measurement method, the precision of rotating speed measurement can be remarkably improved, and conditions are provided for improving the bandwidth of a speed loop; in the servo control system, a rotating speed calculation model of the magnetic encoder is used for calculating the current real-time rotating speed of the motor and acts on a speed loop PID (Proportion Integration Differentiation) module. 本发明涉及磁编码器的测速技术领域，特别涉及一种磁编码器的转速计算方法，通过周期性读取磁编码器的输出信号值，根据所述输出信号值，计算连续周期的磁编码器的角度增量，根据所述角度增量的变化规律，判断电机的旋转状态，再根据所述电机的旋转状态，得到