基于改进模拟退火算法的二自由度PID控制器设计

Design for Two-degree-of-freedom PID Controller Based on Improved Simulated Annealing Algorithm

通过分析传统二自由度PID控制器参数整定过程中存在的不足,结合模拟退火算法的特点,提出了一种改进的模拟退火算法,并将其成功地应用于二自由度PID控制器的参数优化设计。仿真结果表明,所设计的二自由度PID控制器同时具有良好的目标值跟踪特性和干扰抑制特性。在隧道式炉二自由度PID控制系统设计中获得了良好的控制效果,从而说明了该方法的有效性。

By analyzing the shortages existed in the parameter tuning of the two-degree-of-freedom（2DOF）PID controller,and combining the characteristics of simulated annealing algorithm（SAA）,a kind of improved simulated annealing algorithm is presented.Based on this algorithm,optimal design of parameters for the 2DOF PID controller can be achieved.Simulation results show that the 2DOF PID controller reported has good dynamic response performance of both the command tracking and disturbance rejection characteristics.