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Reliability modelling of PEM fuel cells with hybrid Petri nets

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conference contribution
posted on 2017-03-23, 14:49 authored by Andrey Vasilyev, J.D. Andrews, Lisa JacksonLisa Jackson, Sarah DunnettSarah Dunnett
In this paper, a novel model for dynamic reliability analysis of a PEM fuel cell system is developed using Modelica language in order to account for multi-state dynamics and aging. The modelling approach constitutes the combination of physical and stochastic sub-models with shared variables. The physical model consist of deterministic calculations of the system state described by variables such as temperature, pressure, mass flow rates and voltage output. Additionally, estimated component degradation rates are also taken into account. The non-deterministic model, on the other hand, is implemented with stochastic Petri nets which represent different events that can occur at random times during fuel cell lifetime. A case study of effects of a cooling system on fuel cell performance was investigated. Monte Carlo simulations of the process resulted in a distri-bution of system parameters, thus providing an estimate of best and worst scenarios of a fuel cell lifetime.

Funding

The authors gratefully acknowledge the support of EPSRC (grant number EP/K02101X/1) which has enabled the research reported in this paper.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Published in

European Safety and Reliability Conference (ESREL)

Citation

VASILYEV, A. ... et al, 2017. Reliability modelling of PEM fuel cells with hybrid Petri nets. IN: Cepin, M. and Bris, R. (eds). Safety and Reliability. Theory and Applications: Proceedings of the 27th European Safety and Reliability Conference (ESREL 2017), Portoroz, Slovenia, 18-22 June 2017. Leiden, The Netherlands: CRC Press, pp.2857-2864.

Publisher

CRC Press © Taylor & Francis Group

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

2017-02-24

Publication date

2017

Notes

This is an Accepted Manuscript of a paper published by CRC Press in Safety and Reliability. Theory and Applications on 25 May 2017, available online: https://www.crcpress.com/Safety-and-Reliability-Theory-and-Applications/Cepin-Bris/p/book/9781138629370.

ISBN

9781138629370

Language

  • en

Location

Slovenia

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