板式换热器出口温度控制应用研究

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中图分类号：TK172 文献标志码：A

文章编号：1672-7010（2025）03-0055-09

Abstract： To enhance temperature control precision in plate heat exchangers， this paper proposes an improved proportional-integral-derivative （PID） strategy optimized via a modified particle swarm optimization （PSO）algorithm，addressing the limitations of conventional PID algorithms caused by strong coupling， hysteresis，and nonlinearity.Acontrol model was established through dynamic characterization of the heat exchanger. By incorporating adaptive inertia weight and dynamic learning factors into PSO，dynamic tuning of PID parameters was achieved，constructing a hybrid PSO -PID control system.Simulink simulations demonstrated its superior performance over conventional PID and fuzzy PID methods，exhibiting reduced overshoot，higher precision，and enhanced disturbance rejection.The approach efectively mitigated hysteresis and nonlinearity， significantly improving temperature control performance.

Key words： heat exchanger; temperature control; improved particle swarm optimization

板式换热器是工业领域的常用设备，它由一系列具有一定波纹形状的金属板片叠装而成[，这些板片之间形成薄矩形流体通道[2]，通过这些通道进行冷热流体的交换使其出口温度达到所需要求温度。（剩余7002字）