Simulation and comparative study of PID control in DC servo motor systems.

The DC servo motor is widely utilized within several domains, including aerospace, mechanical engineering, and robotics control, among others. As such, studies of position control for DC servo motors carry significant significance. It should be noted that the choice of the controller holds considerable sway over the responsiveness of the motor, with suboptimal selections made based on intuition rather than analysis. Therefore, this study aims to establish a model of a DC servo motor system and to simulate and compare it in different cases. One is a motor system without any additional controller, while the other system uses a PID controller, which effectively optimizes the transient response of the DC servo motor. In this paper, the DC servo motor system is simulated using Falstad, and the optimum PID control coefficients are obtained using MATLAB. The step signal waveforms are observed to verify the improvement of the PID controller in terms of system accuracy and performance. The simulation results show that the PID controller can effectively reduce fluctuations and achieve a fast response and high-accuracy control system compared to conventional proportional controllers. The research in this paper enables us to determine the optimal control method to improve control performance and deepen our understanding of its effect on the stability of DC servomotors. [ABSTRACT FROM AUTHOR]