基于FLC-ASMC的燃料电池控制模型研究

车用发动机 ›› 2025, Vol. 0 ›› Issue (4) : 66-73.

范思遐，徐书琪

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Fuel Cell Control Model Based on FLC-ASMC

FAN Sixia,XU Shuqi

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摘要

提出了一种基于反馈线性化的自适应滑模控制器（FLC-ASMC）来解决车用质子交换膜燃料电池（PEMFC）系统中阴阳极气体流量与压力的协同控制问题。考虑到PEMFC系统的非线性和强耦合特点，采用反馈线性化方法解耦流量与压力的关系，从而控制阴阳极压差在合理范围内。研究结果表明，传统PID控制精度约为85%，SMC控制精度为90%~92%，而FLC-ASMC的控制精度达到95%以上，表现出最佳性能。试验验证了该控制器能够有效控制压差，提升系统的鲁棒性和使用寿命。

Abstract

A feedback linearization-based adaptive sliding mode controller (FLC-ASMC)was proposed to address the coordinated control of anode and cathode gas flow rates and pressures in a proton exchange membrane fuel cell (PEMFC) system. Considering the nonlinear and strongly-coupled characteristics of PEMFC system, the feedback linearization method was used to decouple the relationship between flow rates and pressures, and the anode-cathode pressure difference was hence able to be controlled within a reasonable range. The simulation results show that the traditional PID controller achieves about 85% control accuracy, the sliding mode controller (SMC) achieves 90%-92% control accuracy, while the FLC-ASMC achieves over 95% control accuracy, showing the best performance. The experimental verification confirms that the proposed controller can effectively control the pressure difference, and hence improve the system robustness and service lifespan.