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针对伺服系统和调速系统中电机转速检测问题,本文介绍了光电编码器的测速原理。并在此基础上设计了编码器差分信号的调理电路,对信号进行了的滤波和电平转换,为实现DSP2812的电机控制奠定了基础。
Aiming at the problem of motor speed detection in servo system and speed regulation system, this paper introduces the principle of speed measurement of photoelectric encoder. And on this basis, the design of the encoder differential signal conditioning circuit, the signal filtering and level conversion, in order to achieve DSP2812 motor control laid the foundation.