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DUAL GEOCHEMICAL GAS MONITORING SENSOR USING ACTIVE TEMPERATURE DISTURBANCE REJECTION METHOD
One-line summary
A solar energy research paper on DUAL GEOCHEMICAL GAS MONITORING SENSOR USING ACTIVE TEMPERATURE DISTURBANCE REJECTION METHOD.
Engineering notes
Engineering notes will be added by the Power for Solar editorial team.
Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
An active temperature disturbance rejection method was developed to address uncertainties in temperature disturbances and to improve stability for field gas measurements. A symmetric convection heat conduction strategy was used to ensure uniform heating of the multipass cell (MPC). Active disturbance rejection control (ADRC) was adopted to address the nonlinear and uncertain temperature disturbance. The temperature fluctuation is less than 0.01℃ in the stable state during field experiments when controlled at 30℃. The maximum temperature fluctuation during gas sample replacement is less than 0.015 °C. For gas measurement results, CO2 and CH4 concentrations were monitored at 2100-3864 ppmv and 99-104 ppmv, respectively. This temperature control method provides a guarantee for field gas monitoring.
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