[1]高华兴.基于参数辨识的半导体激光器温度自动控制[J].机械与电子,2022,(11):55-60.
　GAO Huaxing.Automatic Temperature Control of Semiconductor Laser Based on Parameter Identification[J].Machinery & Electronics,2022,(11):55-60.
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基于参数辨识的半导体激光器温度自动控制()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2022年11期
页码:
55-60
栏目:
自动控制与检测
出版日期:
2022-11-25

文章信息/Info

Title:
Automatic Temperature Control of Semiconductor Laser Based on Parameter Identification
文章编号:
1001-2257 ( 2022 ) 11-0055-06
作者:
高华兴
中国空间技术研究院,北京 100094
Author(s):
GAO Huaxing
( China Academy of Space Technology , Beijing 100094 , China )
关键词:
参数辨识; 半导体激光器; 温度自动控制; 一阶纯滞后; 热传递性; 预估量
Keywords:
parameter identification ;  semiconductor laser ;  automatic temperature control ;  first order pure delay ;  heat transfer ;  forecast
分类号:
TN248.4
文献标志码:
A
摘要:
以保证半导体激光器的安全稳定运行为目标,提出基于参数辨识的半导体激光器温度自动控制方法。通过分析温度对半导体激光器的影响及温度控制原理,设计半导体激光器温度控制系统,在该系统支持下利用半导体激光器温度控制数学模型描述其一阶纯滞后性,根据半导体激光器的热传递性获取半导体激光器的离散运行数据,建立半导体激光器参数辨识模型,确定其最佳预估量,并将其输入到 PID 中,利用遗传算法对 PID 参数进行实时调节,以满足半导体激光器温度变化量对 PID 参数的自整定需求,实现半导体激光器温度自动控制的目标。实验结果表明,该方法可实现半导体激光器温度的快速控制,能够快速达到预期温度,温度波动范围在 0.02 ℃ 以内,温度控制后的半导体激光器发光光谱波形平稳,能够保证半导体激光器的安全稳定运行。
Abstract:
In order to ensure the safe and stable operation of semiconductor laser , an automatic temperature control method of semiconductor laser based on parameter identification is proposed.By analyzing the influence of temperature on semiconductor laser and the principle of temperature control , the semiconductor laser temperature control system is designed.With the support of the system , the first-order pure hysteresis is described by using the mathematical model of semiconductor laser temperature control , the discrete operation data of semiconductor laser is obtained according to the heat transfer of semiconductor laser , and the parameter identification model of semiconductor laser is established.The optimal estimation is determined , and the PID parameters are input into THE PID, and the genetic algorithm is used to adjust the PID parameters in real time , so as to meet the self-tuning demand of the temperature change of semiconductor laser and realize the goal of automatic temperature control of semiconductor laser.The experimental results show that this method can realize the rapid control of the temperature of the semiconductor laser , can quickly reach the expected temperature , the temperature fluctuation range is within 0.02℃ , the luminescence spectrum waveform of the semiconductor laser after temperature control is stable , which can ensure the safe and stable operation of the semiconductor laser.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2022-02-16
作者简介:高华兴 ( 1993- ),男,吉林长春人,硕士,工程师,研究方向为元器件质量保证。
更新日期/Last Update: 2022-12-13