China Ship Scientific Research Center;Taihu Laboratory of Deep-Sea Technological Science;State Key Laboratory of Deep-Sea Manned Vehicles;
[Purpose] In order to improve the energy utilization efficiency of the carbon dioxide absorption device, [Method] a digital model of the carbon dioxide absorption device and standard test bench of the deep-sea manned platform are established. A control strategy for the carbon dioxide absorption device of the deep-sea manned platform is proposed, taking into account both the volume fraction of carbon dioxide and the power of the device. The effects of a constant air volume strategy, a stage control strategy, and an intermittent control strategy on the carbon dioxide volume fraction and the device power under standard test bench conditions are analyzed. [Result] The results indicate that constant air volume control and stage control can achieve quantitative control of the carbon dioxide volume fraction.Under the same control requirements, the total power consumption of constant air volume control is lower than that of stage control; Stage control and intermittent control can achieve interval control of carbon dioxide volume fraction. For the same control requirements, the total power consumption of intermittent control is lower than that of stage control; for constant air volume control, the lower the target volume fraction, the greater the air volume demand, and the higher the power consumption. For intermittent control, selecting the minimum air volume that meets the requirements can reduce the power consumption and fan opening and closing frequency, and improve the device reliability; By changing the stage control strategy, the air volume level and volume fraction limit can be adjusted to achieve quantitative volume fraction control or interval control, respectively; For quantitative control of volume fraction, the smaller the control volume fraction, the shorter the running time; For volume fraction interval control, the larger the air volume, the shorter the running time. [Conclusion] The research results can provide some references for the control strategy of carbon dioxide absorption devices on deep-sea manned platforms.
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Basic Information:
DOI：10.13788/j.cnki.cbgc.2025.04.03
China Classification Code:U674.941
Citation Information:
[1]郭杨阳,夏彬,周鑫涛等.深海载人平台二氧化碳吸收装置控制策略仿真分析[J].船舶工程,2025,47(04):22-29.DOI:10.13788/j.cnki.cbgc.2025.04.03.
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