质子交换膜燃料电池发动机阴极系统的解耦控制策略

2020 4th CAA International Conference on Vehicular Control and Intelligence (CVCI) Pub Date : 2020-12-18 DOI:10.1109/CVCI51460.2020.9338607

Huize Liu, Chuan Fang, Liangfei Xu, Zunyan Hu, Jianqiu Li, M. Ouyang, Yishu Zhang

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引用次数: 0

摘要

精确控制阴极压力和流速对质子交换膜燃料电池系统的性能和耐久性至关重要。建立了燃料电池发动机阴极分系统的模型，分析了空压机不同工作区域空气流量-压力耦合的程度。设计了一种基于自抗扰控制的解耦控制算法，实现了气压和流量的精确调节。最后，在国产80kW燃料电池发动机上进行了实验，验证了控制算法的有效性。实验结果表明，所设计的控制算法具有较强的流量-压力解耦能力，响应速度快，控制精度高。

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Decoupling Control Strategy for Cathode System of Proton Exchange Membrane Fuel Cell Engine

Precise control of cathode pressure and flow rate is critical to the performance and durability of proton exchange membrane fuel cell systems. This study presents a model of the cathode subsystem of fuel cell engines, and the degree of air flow rate-pressure coupling in different working areas of air compressor is analyzed. A decoupling control algorithm based on the active disturbance rejection control is then designed to realize precise regulation of air pressure and flow rate. Finally, experiments are conducted on a domestic 80kW fuel cell engine, and the effectiveness of the control algorithm is validated. The experimental results indicate that the designed control algorithm has strong flow rate-pressure decoupling ability with fast response and high control accuracy.

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2020 4th CAA International Conference on Vehicular Control and Intelligence (CVCI)

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