Inicio  /  Algorithms  /  Vol: 17 Par: 1 (2024)  /  Artículo
ARTÍCULO
TITULO

An Intelligent Control Method for Servo Motor Based on Reinforcement Learning

Depeng Gao    
Shuai Wang    
Yuwei Yang    
Haifei Zhang    
Hao Chen    
Xiangxiang Mei    
Shuxi Chen and Jianlin Qiu    

Resumen

Servo motors play an important role in automation equipment and have been used in several manufacturing fields. However, the commonly used control methods need their parameters to be set manually, which is rather difficult, and this means that these methods generally cannot adapt to changes in operation conditions. Therefore, in this study, we propose an intelligent control method for a servo motor based on reinforcement learning and that can train an agent to produce a duty cycle according to the servo error between the current state and the target speed or torque. The proposed method can adjust its control strategy online to reduce the servo error caused by a change in operation conditions. We verify its performance on three different servo motors and control tasks. The experimental results show that the proposed method can achieve smaller servo errors than others in most cases.

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