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Advanced diagnosis based on temperature and current density distributions in a single PEMFC

Mohammadi, Ali and Djerdir, Abdesslem and Steiner, Nadia and Khaburi, Davood (2015) Advanced diagnosis based on temperature and current density distributions in a single PEMFC. International Journal of Hydrogen Energy, 40 (45). pp. 15845-15855. ISSN 0360-3199

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Abstract

The present study focuses on developing a reliable fault identification and localisation tool for Proton Exchange Membrane Fuel Cell (PEMFC). This diagnosis tool relies on 2 steps: first, a 3D model for a single PEMFC, that allows estimating local parameters (temperature, current and voltage distributions within the single cell). An experimental set-up allows reliable monitoring of different parameters used by the model to estimate the current density distributions over the 3D space zones of the cell. Furthermore, this 3D fault-sensitive model allows to simulate faults linked to poor water management (drying out and flooding) with 2 severity levels (“flooding”, “drying”, “high flooding” and “high drying”).Then, the second step consists of developing a two-layer feed-forward ANN that has been with an adapted database to localize each fault within the different segments of the single cell. The results show good recognition and localization rate for the considered fault, which allows to conclude that this approach is very promising for fault localization, which is one of the key points regarding diagnosis.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Ali Mohammadi
Date Deposited: 21 May 2019 11:36
Last Modified: 21 May 2019 11:36
URI: http://repository.usp.ac.fj/id/eprint/11562
UNSPECIFIED

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