基于遗传算法优化PID的激光器温度控制系统

Laser temperature control system based on genetic algorithm optimizing PID

温度直接影响激光器的各项性能,传统方法无法适应激光器温度控制系统的环境变化,为了获得更优的激光器温度控制效果,提出一种遗传算法优化PID的激光器温度控制系统。首先对激光器温度控制系统的工作原理进行阐述,并构建了激光器温度控制系统PID参数优化的目标函数,然后采用遗传算法对激光器温度控制系统的PID参数进行自适应调节,最后采用仿真对比实验分析激光器温度控制性能,结果表明,本文控制系统可以有效地控制激光器温度,当环境条件发生变化时,温度控制系统的响速度快、超调时间短,可以达到较高的激光器温度控制精度。

Temperature directly affects the performance of the laser,the traditional methods can not adapt to the environment changes of the laser temperature control system,in order to obtain a better laser temperature control effect,and this paper proposed a temperature control system of laser based on genetic algorithm optimizing PID. Firstly,work principle of laser temperature control system is elaborated and the objective function of laser temperature control system PID parameter optimization is built,and then genetic algorithm is used to adaptively adjust PID parameters of laser temperature control system,lastly laser temperature control performance is analysis by simulation comparison experiments. The results show that the proposed control system can effectively control the temperature of the laser,when environment changes,the response speed is fast and the overshoot time is short,and can achieve high precision of laser temperature control system.