Modeling of a PEM Fuel Cell Stack using Partial Least Squares and Artificial Neural Networks

- Journal title : Korean Chemical Engineering Research
- Volume 53, Issue 2, 2015, pp.236-242
- Publisher : The Korean Institute of Chemical Engineers
- DOI : 10.9713/kcer.2015.53.2.236

Title & Authors

Modeling of a PEM Fuel Cell Stack using Partial Least Squares and Artificial Neural Networks

Han, In-Su; Shin, Hyun Khil;

Han, In-Su; Shin, Hyun Khil;

Abstract

We present two data-driven modeling methods, partial least square (PLS) and artificial neural network (ANN), to predict the major operating and performance variables of a polymer electrolyte membrane (PEM) fuel cell stack. PLS and ANN models were constructed using the experimental data obtained from the testing of a 30 kW-class PEM fuel cell stack, and then were compared with each other in terms of their prediction and computational performances. To reduce the complexity of the models, we combined a variables importance on PLS projection (VIP) as a variable selection method into the modeling procedure in which the predictor variables are selected from a set of input operation variables. The modeling results showed that the ANN models outperformed the PLS models in predicting the average cell voltage and cathode outlet temperature of the fuel cell stack. However, the PLS models also offered satisfactory prediction performances although they can only capture linear correlations between the predictor and output variables. Depending on the degree of modeling accuracy and speed, both ANN and PLS models can be employed for performance predictions, offline and online optimizations, controls, and fault diagnoses in the field of PEM fuel cell designs and operations.

Keywords

Fuel Cell;Polymer Electrolyte Membrane;Back-box Modeling;Partial Least Squares;Artificial Neural Networks;

Language

Korean

Cited by

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