期刊
APPLIED ENERGY
卷 165, 期 -, 页码 748-758出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2015.12.084
关键词
Proton exchange membrane fuel cell; Fault diagnosis; Wavelet transform
资金
- French ANR [DIAPASON1, DIAPASON2]
- Labex ACTION [ANR-11-LABX-01-01]
This paper deals with a novel signal-based method for fault diagnosis of a proton exchange membrane fuel cell (PEMFC). Thanks to an in-lab test bench used for the experimental tests, various parameters can be recorded as electrical or fluidic measurements. The chosen input signal for the diagnosis uses no additional expensive and no intrusive sensors specifically dedicated for the diagnosis task. It uses insofar only the already existing sensors on the system. This paper focuses on the detection and identification of a high air stoichiometry (HAS) fault. The wavelet transform (WT) and more precisely the energy contained in each detail of the wavelet decomposition is used to diagnose quickly an oversupply of air to the fuel cell system. Finally, some experimental results are presented according to different input signals, in order to prove the efficiency of the patented method. (C) 2016 Elsevier Ltd. All rights reserved.
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