There summarize the operating principle of absolute, incremental and hybrid encoder, introduce the choice principle of optical-encoder model and the measuring method of rotor speed and rotor position.
对绝对式、增量式和混合式光电轴编码器的工作原理进行了综述，介绍了光电轴编码器的选型原则、转子速度的测量和转子位置的测量方法。
There summarize the operating principle of absolute, incremental and hybrid encoder, introduce the choice principle of optical-encoder model and the measuring method of rotor speed and rotor position.
对绝对式、增量式和混合式光电轴编码器的工作原理进行了综述，介绍了光电轴编码器的选型原则、转子速度的测量和转子位置的测量方法。
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