吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (9): 2107-2118.doi: 10.13229/j.cnki.jdxbgxb20220062
• • 上一篇
Ke-yong WANG1,2(),Da-tong BAO1,Su ZHOU1()
摘要:
长短期记忆(LSTM)多分类算法可以有效地实现车用燃料电池的在线智能故障诊断,然而在实际应用中,车用燃料电池随着运行时间的增加,内部特性会发生衰退,初始诊断模型可能不能满足长期故障诊断的精度。针对该问题,本文基于AVL CURISE M软件搭建了PEMFC原始和衰退模型,并使用模型产生故障数据。随后设计了自适应算法,并使用模型产生的数据进行自适应训练,使得诊断模型能够适应电堆的衰退,保证了车用燃料电池在线智能诊断的精度。在实际燃料电池系统中对该方案进行实测验证,证明了其有效性,该方案可以基于“车端-云端”平台对燃料电池系统进行诊断,算法权重可以自适应更新,以完成对电堆老化的适应,有较好的应用前景。
中图分类号:
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