PLC模糊预测在热泵空调变流量系统中的应用

Application of the Fuzzy Prediction Based on PLC in Variable Water Flow System for Heat Pump Air-conditioning

针对地源热泵空调节能和负载平衡要求,对空调变流量系统进行了研究。通过模糊预测控制技术以及变频技术的运用,设计了一种基于模糊预测的地源热泵空调变流量节能PLC控制系统。该系统结合了专家实践经验及控制规则,它不依赖于精确的数学模型,控制性能好,动态适应性强。

For the demands of energy saving and load balancing of ground-source heat pump air-conditioning,the variable water flow systems of air-conditioning were studied.After making use of fuzzy prediction technology and variable frequency technology,the research work has brought about a variable water flow PLC control system for energy saving of ground source heart pump in air-conditioning based on fuzzy prediction control.The expert experience and control rules are integrated with the system.Independent of the accurate mathematical model,the system has an excellent control performance and wonderful dynamic adaptability.