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Title

Model-based fault diagnosis in PEM fuel cell systems

AuthorsEscobet, Teresa; Feroldi, Diego ; Lira, S. de; Puig, Vicenç ; Quevedo, Joseba; Riera, Jordi ; Serra, Maria
KeywordsPEMFC
Fault detection
Fault diagnostic
Issue Date2009
PublisherElsevier
CitationJournal of Power Sources 192(1): 216-223 (2009)
AbstractIn this work, a model-based fault diagnosis methodology for PEM fuel cell systems is presented. The methodology is based on computing residuals, indicators that are obtained comparing measured inputs and outputs with analytical relationships, which are obtained by system modelling. The innovation of this methodology is based on the characterization of the relative residual fault sensitivity. To illustrate the results, a non-linear fuel cell simulator proposed in the literature is used, with modifications, to include a set of fault scenarios proposed in this work. Finally, it is presented the diagnosis results corresponding to these fault scenarios. It is remarkable that with this methodology it is possible to diagnose and isolate all the faults in the proposed set in contrast with other well known methodologies which use the binary signature matrix of analytical residuals and faults.
DescriptionCONAPPICE 2008, Zaragoza, Spain, 24-26 September 2008.
Publisher version (URL)http://dx.doi.org/10.1016/j.jpowsour.2008.12.014
URIhttp://hdl.handle.net/10261/30611
DOI10.1016/j.jpowsour.2008.12.014
ISSN0378-7753
Appears in Collections:(IRII) Artículos
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