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Fault Detection and Isolation for Proton Exchange Membrane Fuel Cell Using Impedance Measurements and Multiphysics Modeling

Abstract : This study proposes a fault detection and isolation tool for proton exchange membrane fuel cell (PEMFC) operating in embedded applications. A model‐based approach, taking partially into account degradation phenomena, is proposed in order to increase the robustness of the tool regarding transient operations and stack ageing. The considered faults are the abnormal operating conditions that can decrease the fuel cell lifetime. The fault detection approach is based on residual generation using both voltage and high frequency resistance measurements and thus combining the advantages of knowledge‐based model and electrochemical impedance spectroscopy (EIS) diagnosis approaches. To that end, a multi‐physics fuel cell model has been used. This model computes not only the stack voltage but also the high frequency resistance in dynamic conditions. Additionally, the model is modified to take into account the ageing of the fuel cell. Validation is carried out on experimental characterizations during 1,000 h ageing. The results on a new fuel cell stack show a score of 91% for fault isolation. However, without any adaptation, this score drops dramatically as the stack ages. Finally, thanks to ageing modeling and to the proposed adaptation of the detection/isolation procedure, the diagnosis performance remains reliable during fuel cell stack ageing.
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https://hal.univ-grenoble-alpes.fr/hal-02955627
Contributeur : Catherine Cadet <>
Soumis le : vendredi 2 octobre 2020 - 10:13:55
Dernière modification le : mercredi 21 octobre 2020 - 03:14:59

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G. Jullian, Catherine Cadet, S. Rosini, M. Gerard, V. Heiries, et al.. Fault Detection and Isolation for Proton Exchange Membrane Fuel Cell Using Impedance Measurements and Multiphysics Modeling. Fuel Cells, Wiley-VCH Verlag, 2020, ⟨10.1002/fuce.202000022⟩. ⟨hal-02955627⟩

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