PID controller parameters tuning in servo system based on chaotic particle swarm optimization

This paper proposes a new PID parameter tuning method using chaotic particle swarm optimization (CPSO) with sinusoidal iterator. The method is implemented into the PID tuning of the position control system, where the transfer function represents a plant model of a servo system. The PID parameter is computed by CPSO-based, PSO-based and ZN-based PID tuning method according to the obtained model, respectively. The simulation results are compared with the classical PSO and Ziegler-Nichols, and show the effectiveness of the proposed tuning method.