Research progress in dynamic operation characteristics and control strategies of electrochemical system based on proton exchange membrane
This paper introduced the relevant research on the transient temperature and humidity field measurement and performance evaluation of proton exchange membrane(PEM)electrochemical systems in recent years,and summarized the system control strategies(including PID,neuron network and fuzzy con-trol,etc.).Intelligent PID control technologies such as fuzzy and neural networks have developed rapidly,and have better immunity and response speed in multiple-input and multiple-output systems.Since the proton exchange membrane system involves complex processes such as heat and mass transfer,electro-chemical reactions,etc.,the theoretical modeling is relatively complex.Data-driven models can effectively combine theoretical models and experimental data and are simple to solve.It can provide operation data for PID real-time control and is an effective solution to improve the dynamic characteristics of PEM elec-trochemical system.
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