基于AMESim模型的燃料电池发动机排氢策略优化及整车搭载验证

doi:10.13229/j.cnki.jdxbgxb20220340

摘要/Abstract

摘要：

为提高燃料电池发动机氢气利用率，本文基于AMESim平台，开发了燃料电池发动机阳极回路模型，并完成了模型集成和标定。根据实际工程经验，提出了一种关联阳极回路温度、压力及反应电流的新吹扫策略。利用燃料电池发动机阳极回路模型，计算出参数优化边界，完成了吹扫控制参数优化拟合。仿真分析表明，在NEDC工况下相对于原始吹扫策略，应用新策略的燃料电池发动机百公里氢耗从0.866 kg降低至0.8 kg，理论经济性可提升7.5%。同时，将该策略在燃料电池整车进行了搭载验证，实测整车NEDC工况下百公里氢耗为0.81 kg，与仿真结果基本一致。整车NEDC续驶里程由484 km提升至510 km，提升了5.4%，验证了基于模型的排氢策略优化方案的有效性。

关键词: 燃料电池汽车, 仿真技术, AMESim建模, 排氢策略, 氢耗优化

Abstract:

In order to improve the hydrogen utilization rate of fuel cell engines， a fuel cell anode loop model was developed based on the AMESim platform,and completed model integration and calibration. Based on practical engineering experience, a new purging strategy that correlates anode loop temperature, pressure and reaction current was proposed. Using the anode loop model of the fuel cell engine, the parameter optimization boundary was calculated, and the optimization and fitting of the purge control parameters was completed. According to the simulation results， compared with the original purge strategy， the new strategy can make the hydrogen consumption rate decrease from 0.866 kg to 0.8 kg per 100 km under NEDC cyclic condition， and the theoretical economy can be improved by 7.5%. Then the new strategy was verified on a fuel cell vehicle， and the hydrogen consumption rate is 0.81 kg per 100 km， which is basically consistent with the simulation results. The driving range of the vehicle is increased from 484 km to 510 km， by 5.4%. And the effectiveness of model-based purge strategy optimization scheme is verified.

Key words: fuel cell vehicle, simulation, AMESim modeling, purge strategy, hydrogen utilization optimization

中图分类号:

U469.72

都京,赵洪辉,王宇鹏,丁天威,魏凯,王恺,韩令海. 基于AMESim模型的燃料电池发动机排氢策略优化及整车搭载验证[J]. 吉林大学学报(工学版), 2022, 52(9): 2069-2076.

Jing DU,Hong-hui ZHAO,Yu-peng WANG,Tian-wei DING,Kai WEI,Kai WANG,Ling-hai HAN. Purge strategy optimization and verification of PEM fuel cell engine based on AMESim simulation model[J]. Journal of Jilin University(Engineering and Technology Edition), 2022, 52(9): 2069-2076.

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参数	数值	参数	数值
整备质量/kg	1769	风阻系数	0.33
满载质量/kg	1939	滚阻系数	0.007
轴距/mm	2700	轮胎半径/mm	353
迎风面积/m²	1.88	电池容量/（kW·h）	9.4
氢瓶容积/L	104	氢瓶压力/MPa	70

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