摘要
设计了一种基于脉冲宽度调整(PWM)技术的精确闭环温控系统,实现了其在CO红外气体监测仪中的应用,能够对探测器进行精确温度控制,保证了探测器的恒温工作环境,提高了CO系统测量结果的稳定性,系统精度达到2.534%。
A temperature control system based on the pulse-width 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%.
出处
《激光与红外》
CAS
CSCD
北大核心
2007年第7期641-643,共3页
Laser & Infrared
基金
国家高技术研究发展计划(863计划)(No.2002AA641020)