采用高分辨率的增量式光电编码器和相应的硬件接口电路，实现了变磁阻电机转子在定子两个齿之间位移的检测。
Using an optical incremental encoder and hardware interface, the position of the motor rotor between the two teeth of the motor stator is measured.
介绍一种接口电路，使增量式脉冲编码器与微机联合使用，实现绝对位置的测量。
An interfacing circuit which makes the incremental pulse encoder working with microcomputer for absolute position measurement is introduced.
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