基于PSO算法的余热锅炉水位PID参数优化

PSO Based Approach to Optimize PID of Drum Level Control

通过采用粒子群优化(PSO)算法对余热锅炉水位控制中的PID参数进行优化,分析了传统三冲量锅筒水位控制方案的不足,提高了整个系统的鲁棒性。其应用使水位得到了良好的控制,且提高了经济运行效益,同时也说明了粒子群算法寻优简单,能够使控制系统获得较好的动态特性和很强的鲁棒性,易于并行化。仿真结果表明,该算法是一种效率很高的寻优方法,是PID参数优化的理想方法。

Particle swarm optimization（PSO）is a novel evolutionary algorithm occurring recently,which has good optimization effects on continuous functions.Through using PSO to optimize the PID parameters of HRSG drum level control,the disadvantages of traditional three washes control are analyzed,and the robust performance of the whole system is improved.By applying this control system,drum water level is well controlled and the economical benefit is improved,which illuminate that the particle swarm optimization algorithm is simple for optimizing,and the control system obtains steady dynamic performance and strong robustness,and easy to parallel.The simulation results show the high efficiency of the proposed optimal method,being an ideal method of PID parameter optimization.