Highprecision close loop orientation control is achieved with stepper motor position feedback.
通过位置反馈,可以实现步进电机的高精度闭环定位控制.
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Servo valves consists of feedback - electric - hydraulic servo valve and position feedback servo valves.
伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀.
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