激光器高精度温度控制系统的研究
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摘要
为使激光器发出的波长准确、稳定,设计并实现了一个激光器高精度温度控制系统。给出系统的软硬件设计,利用抗积分饱和PID算法对温度进行高精度控制。实验结果表明:系统温度控制精度为±0.008℃,调整时间小于30s,满足气体检测对激光器温度控制的要求。
A laser's high-precision temperature control system was designed to ensure laser wavelength's accuracy and stability,including the system's hardware and software design. Having anti-integration saturation PID algorithm adopted to control temperature shows that, the temperature control accuracy can stay at± 0. 008℃ and the setting time is less than 30 s. This can satisfy laser's requirements for temperature control accurately.
A laser's high-precision temperature control system was designed to ensure laser wavelength's accuracy and stability,including the system's hardware and software design. Having anti-integration saturation PID algorithm adopted to control temperature shows that, the temperature control accuracy can stay at± 0. 008℃ and the setting time is less than 30 s. This can satisfy laser's requirements for temperature control accurately.
引文
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[2]王宇.应用于CO气体检测的DFB激光器驱动及温控电路的设计[D].长春:吉林大学,2015.
[3]林振云.基于DSP的半导体激光器恒温控制器的研究[D].哈尔滨:哈尔滨工业大学,2013.
[4]李桂英,岳宇博,李睿.光纤耦合激光器驱动与控制技术研究[J].中国激光,2012,39(4):21~26.
[5]董鸣.AD7793在高精度温控设备中的应用[J].电子技术,2012,(8):36~38.
[6]何顶新,王维,徐金榜,等.温控系统中改进的PID算法[J].电气传动,2007,37(8):36~39.
[7]刘金琨.先进PID控制MATLAB仿真[M].北京:电子工业出版社,2011:29~30.
[8]刘松斌,王海星,马双,等.基于Lab VIEW的单片机与PC机串口通信显示系统设计[J].化工自动化及仪表,2015,42(7):806~808.