A temperature control system based on the pulsewidth modulation (PWM) technique is designed, and it was applied in CO gas analyzer.It can control IR detector of the system precisely. The constant temperature environment is achieved, and the measurement stability is improved.The system precision reach 2.534%.
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陈晓宁,刘建国,司福祺,刘文清.基于PWM的红外探测器温控系统研究[J].激光与红外,2007,37(7):641~643 CHEN Xiao-ning, LIU Jian-guo, SI Fu-qi, LIU Wen-qing. Study of Closed Loop Temperature Control System Based on Pulsewidth Modulation[J]. LASER & INFRARED,2007,37(7):641~643