Servo drives, also known as servo controllers and servo amplifiers, are controllers used to control servo motors. Its function is similar to that of a frequency converter acting on a regular AC motor. It is a part of the servo system, mainly used for high-precision positioning systems. Usually, servo motors are controlled through three methods: position, speed, and torque to achieve high-precision positioning of the transmission system. It is currently a high-end product in transmission technology.

The requirements of servo drives for the system.

1. Wide speed regulation range;

2. High positioning accuracy;

3. Having sufficient transmission stiffness and high speed stability;

4. Quick response without overshoot.

5. At low speeds, the torque is high and the overload capacity is strong.

6. High reliability

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