Abstract
he control-oriented modelling of an actual PEM fuel cell stack is approached. The proposed procedure tackles the modular modelling of an experimental complex system that combines mechanical, electrical, pneumatic and electrochemical subsystems. It provides a nonlinear characterisation that satisfactorily describes the steady state and dynamical behaviour, successfully covering the entire operation range of the fuel-cell-based system under study.
The semi-empirical methodology followed in this chapter is not an example on identification nor a theoretical exercise. Guided by the knowledge of the processes and reactions that take place in the real fuel cell, the different components were modelled using available general information and particular experimental data, gathered from simple tests. Therefore, the proposed procedure can be used as a guide for control-oriented modelling of PEM fuel cell systems with similar features.
Important control problems found in PEM fuel cells (such as H2/O2 stoichiometry regulation, total and partial pressures control, nonlinear observers for anode and cathode lines, H2 consumption minimisation, etc.) can be approached using the developed control model.
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Kunusch, C., Puleston, P., Mayosky, M. (2012). Control-Oriented Modelling and Experimental Validation of a PEMFC Generation System. In: Sliding-Mode Control of PEM Fuel Cells. Advances in Industrial Control. Springer, London. https://doi.org/10.1007/978-1-4471-2431-3_5
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DOI: https://doi.org/10.1007/978-1-4471-2431-3_5
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