用改进的人工免疫算法设计时滞滤波器系统

Design of the System with Time-delay Filter Based on the Improved Artificial Immune Algorithm

为了改善闭环系统的动态性能,设计了含有时滞滤波器的闭环系统.首先,描述了一类含时滞滤波器的闭环系统的数学模型;其次,提出了用改进的人工免疫算法优化闭环系统参数的方法;最后,进行了仿真.仿真结果表明,用改进的人工免疫算法寻找最优闭环系统,与基本的遗传算法相比,闭环系统有更好动态性能.

In order to improve the dynamic performance of the closed-loop system,the closed-loop system with time-delay filter is designed. Firstly,the mathematical model of a class of the closed-loop system with time-delay filter is described. Secondly,the method of optimization of the closed-loop system parameters using the improved artificial immune algorithm is proposed. Lastly,the simulation is carried out. The simulation results show that the closed-loop system optimized with the improved artificial immune algorithm has better dynamic performance compared with the basic genetic algorithm.