基于贝叶斯分类器的吸收式热泵烟气余热回收系统自适应控制模型  

Adaptive Control Model for Absorption Heat Pump Flue Gas Waste Heat Recovery System Based on Bayesian Classifier

作　　者：徐大宝 XU Dabao(Beijing Tiandi Rongchuang Science&Technology Co.Ltd.,Beijing 100013,China)

机构地区：[1]北京天地融创科技股份有限公司,北京100013

出　　处：《工业加热》2025年第3期55-59,共5页Industrial Heating

摘　　要：研究基于贝叶斯分类器的吸收式热泵烟气余热回收系统自适应控制模型,保证吸收式热泵正常工作,提高烟气余热回收效果。构建吸收式烟气余热回收系统控制传递函数,基于增量式PID控制算法,将电动调节阀开度以及除盐水出口温度作为控制变量,采用贝叶斯分类器学习除盐水出口历史温度实际值与设定值间的偏差,确定吸收式热泵烟气余热回收系统的控制状态后,采用专家系统作识别处理,通过制定合适的PID参数优化规则,实现吸收式热泵烟气余热回收系统最优控制。实验结果表明:无系统扰动下,该模型控制时间为10 s,且无超调无误差;在系统扰动下,控制时间为13 s,超调量小且无误差;控制后的吸收式热泵烟气余热回收系统的168 h热回收功率均值为0.7 WM,满足设定要求。Research on the adaptive control model of the absorption heat pump flue gas waste heat recovery system based on Bayesian classifier to ensure the normal operation of the absorption heat pump and improve the effectiveness of flue gas waste heat recovery.Construct a control transfer function for the absorption type flue gas waste heat recovery system.Based on an incremental PID control algorithm,the opening of the electric control valve and the outlet temperature of the desalinated water are used as control variables.A Bayesian classifier is used to learn the deviation between the actual and set values of the historical temperature of the desalinated water outlet.After determining the control status of the absorption type heat pump flue gas waste heat recovery system,an expert system is used for identification and processing,by developing appropriate PID parameter optimization rules,the optimal control of the absorption heat pump flue gas waste heat recovery system can be achieved.The experimental results show that under no system disturbance,the control time of the model is 10 seconds,and there is no overshoot or error;Under system disturbance,the control time is 13 seconds,the overshoot is small and error free;The average 168h heat recovery power of the controlled absorption heat pump flue gas waste heat recovery system is 0.7WM,meeting the set requirements.

关 键 词：贝叶斯分类器 吸收式热泵 烟气余热回收 传递函数 PID控制 专家系统 

分 类 号：TK172[动力工程及工程热物理—热能工程]