The photoelectric encoder is used for measuring the angular position of rotating ballscrew. Semi closed loop compensation control is realized and system accuracy is improved.
应用光电编码器作为滚珠丝杠转角位置检测元件实现了半闭环补偿控制，提高了系统的精度。
This method can be used in high-accuracy measurement of the small displacement and angular position.
本文提出的方法可用于微小角位移的测量及角度定位。
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