With the rapid advancement of technology, robotics has permeated virtually every sector, emerging as a key driver of social progress. As one of the core power sources for robots, DC motors play a pivotal role in the robotics industry. This paper examines the applications, advantages, and future development trends of DC motors in the robotics field.

II. Applications of DC Motors in the Robotics Industry

Actuation of Robot Joints
DC motors deliver high efficiency, precise control, and reliable torque output, providing robust actuation for robotic joints. With DC motor drives, robots can perform a wide range of complex motion-control tasks, including pick-and-place operations, welding, and painting.

Feedback Components for Robot Motion Control
By measuring the electrical signals output by DC motors, the position and velocity of various robot joints can be determined. This capability enables more precise and efficient motion control, thereby enhancing the robot’s operational efficiency and safety.

Robot Human-Robot Interaction Control
Direct-current motors play a crucial role in robot–human interaction control. By driving these motors, robots can perform a wide range of human–robot interaction tasks, such as speech recognition and gesture recognition, thereby enhancing their intelligence and user-friendliness.

III. Advantages of DC Motors

High efficiency
DC motors boast high energy conversion efficiency, which can reduce a robot’s power consumption and enhance its endurance.

Precise control
DC motors offer high-precision control performance, ensuring the stability and accuracy of robotic motion.

High reliability
DC motors feature a simple structure and easy maintenance, offering high reliability and stability, which makes them well-suited to meet the demands of long-term robotic operation.

IV. Future Development Trends

Applications of Brushless DC Motors
With continuous technological advancements, brushless DC motors are poised to become the mainstream choice in the robotics industry. Boasting advantages such as compact size, high efficiency, and long service life, these motors are well-suited to meet the power requirements of robotic systems.

Intelligentization and Autonomy
In the future, robots will place greater emphasis on intelligent and autonomous development. As one of the core power sources for robots, DC motors will continue to drive innovation and advancement in robotics, providing robust support for achieving higher levels of autonomy.