What is the basic principle of position control?
What is the basic principle of position control?
发布时间：2025-07-28 05:02:23
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答案：Position control is an important part of the servo system, it is the link that guarantees the position accuracy. Position control includes position control loop, speed control loop and current control loop. The basic principle of position control is: The position control loop is the outer loop of the servo system, and it receives the instructions issued by the interpolation interpolation cycle of the CNC device interpolator as the position loop reference. At the same time, it also receives the actual position value measured by the measurement feedback device for each position sampling period, and then compares it with the position given value (the given value minus the feedback value) to get the position error, which is used as the speed loop reference.
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