Why are servo motors precise

As a high-precision motor, servo motors are widely used in industrial automation, robotics, medical equipment and other fields, and their high precision has been widely recognized. So, why do servo motors have high precision? This article will provide a detailed introduction to the high-precision reasons of servo motors.

The concept and advantages of servo motors
Servo motor is a type of motor with high control accuracy, which achieves precise control by controlling parameters such as position, speed, and acceleration of the motor. Compared to ordinary motors, the advantage of servo motors is that they can achieve very high accuracy and stability, while also having characteristics such as fast response, high efficiency, and low noise. Therefore, servo motors have been widely used in industrial automation, robotics, medical equipment and other fields.

The reasons for the high precision of servo motors
1. Closed loop control system
The high precision of servo motors is attributed to their use of closed-loop control systems. A closed-loop control system is a system that achieves precise control by comparing the output signal of a motor with the input signal, and then correcting the output signal based on the comparison results. The closed-loop control system can monitor the position, speed, and acceleration parameters of the motor in real time, and then make corrections based on the real-time monitoring data to achieve precise control.

2. High precision encoder
The high precision of servo motors also benefits from the use of high-precision encoders. Encoder is a device used to measure the rotational position of a motor, which obtains the position information of the motor by measuring parameters such as the rotation angle and speed of the motor. The use of high-precision encoders can achieve very high positioning accuracy and position control accuracy.

3. High precision controller
The high precision of servo motors also benefits from the use of high-precision controllers. A controller is a device used to control the movement of a motor, which can control parameters such as position, speed, and acceleration of the motor based on input signals. The use of high-precision controllers can achieve very high control accuracy and response speed.

4. High precision components
The high precision of servo motors also benefits from the use of high-precision components. Components are the various components that make up a motor, such as bearings, gears, motor rotors, etc. The use of high-precision components can improve the accuracy and stability of the motor. As a high-precision motor, servo motors benefit from the use of closed-loop control systems, high-precision encoders, high-precision controllers, and high-precision components. The combined effect of these factors enables servo motors to achieve very high positioning and control accuracy, thus being widely used.

Source: Nihon Tadaxin