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Title: An energy management strategy to concurrently optimise fuel consumption & PEM fuel cell lifetime in a hybrid vehicle
Authors: Fletcher, Tom
Thring, R.H.
Watkinson, Martin
Keywords: Energy management strategy
Stochastic dynamic programming
Hybrid vehicle
Fuel cell
Issue Date: 2016
Publisher: © The Authors. Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.
Citation: FLETCHER, T, THRING, R.H. and WATKINSON, M., 2016. An energy management strategy to concurrently optimise fuel consumption & PEM fuel cell lifetime in a hybrid vehicle. International Journal of Hydrogen Energy, http://dx.doi.org/10.1016/j.ijhydene.2016.08.157
Abstract: The cost and reliability of fuel cells are major obstructions preventing fuel cell hybrid electric vehicle (FCHEV) from entering the mainstream market. However, many of the degradation methods are strongly affected by the operating conditions of the fuel cell and therefore can be mitigated by optimisation of the Energy Management Strategy (EMS). The major causes of fuel cell degradation are identified from the literature and a model is produced in order to estimate the effect of the EMS on the fuel cell degradation. This is used to produce an optimal strategy for a low speed campus vehicle using Stochastic Dynamic Programming (SDP). The SDP controller attempts to minimise the total running cost of the fuel cell, inclusive of both fuel consumption and degradation, each weighted by their respective costs. The new strategy is shown to increase the lifetime of the fuel cell by 14%, with only a 3.5% increase in fuel consumption, largely by avoiding transient loading on the fuel cell stack.
Description: This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: This work was supported by EPSRC by providing funding for the project through the Doctoral Training Centre in Hydrogen, Fuel Cells and Their Applications (EP/G037116/1),
Version: Published
DOI: 10.1016/j.ijhydene.2016.08.157
URI: https://dspace.lboro.ac.uk/2134/22541
Publisher Link: http://dx.doi.org/10.1016/j.ijhydene.2016.08.157
ISSN: 0360-3199
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)

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