北京航空航天大学学报 ›› 2006, Vol. 32 ›› Issue (03): 324-327.

• 论文 • 上一篇    下一篇

光纤光源温度动态特性分析及控制

马迎建1, 简红清1, 石多2   

  1. 1. 北京航空航天大学 仪器科学与光电工程学院, 北京 100083;
    2. 中国机械装备研究院, 北京 100089
  • 收稿日期:2005-03-29 出版日期:2006-03-31 发布日期:2010-09-20
  • 作者简介:马迎建(1952-),男,北京人,高级工程师, myjeeps@163.com.

Temperature dynamic characteristics analysis and control of optic-fiber light source

Ma Yingjian1, Jian Hongqing1, Shi Duo2   

  1. 1. School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
    2. China Academy of Machinery Equipment R&D, Beijing 100089, China
  • Received:2005-03-29 Online:2006-03-31 Published:2010-09-20

摘要: 根据半导体热电致冷器(TEC)工作的基本原理,分析了光纤光源模块的温度动态特性,建立了与之对应的数学模型.对光源模块进行了实际实验测试,采用多点频率的工作电流驱动TEC模块,通过光源模块内部的热敏元件采样光源管芯温度的动态数据,用最小二乘法进行数据拟合,得到了与数学模型十分接近的结果,因此可以确定数学模型中的待定参数.采用 MAX1978单片TEC控制器,根据温度动态特性数学模型设计了最优的比例积分微分(PID)补偿网络,实现了光纤光源的温度控制系统,得出了TEC温度控制系统对光源有良好的控制精度和稳定性.

Abstract: According to the basic theory of the thermo-electric cooler(TEC),the temperature dynamic characteristics of the optic-fiber light source module was analyzed, and mathematics model was established corresponds to its. In the actual experimental test to light source module, the TEC module was driven by multi-point frequency of working current, and dynamic data of light source core’s temperature was sampled with sensing component, and the dynamic data was calculated and fit with least-squares method, then the result was close to mathematics model, so the parameters of the mathematical model were determined. MAX1978 single-chip temperature controllers for Peltier thermoelectric cooler module was used, and the best proportional-integral-differential(PID)compensating network based on temperature dynamic characteristics mathematical model was designed, then the temperature control system of the optic-fiber light source was achieved, the result shows that TEC temperature control system can control the light source precisely and steadily.

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