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Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells

Ieropoulos, I. A.

Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells Thumbnail


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Abstract

© 2020 The Authors Microbial fuel cell (MFC) power performance strongly depends on the biofilm growth, which in turn is affected by the feed flow rate. In this work, an artificial neural network (ANN) approach has been used to simulate the effect of the flow rate on the power output by ceramic MFCs fed with neat human urine. To this aim, three different second-order algorithms were used to train our network and then compared in terms of prediction accuracy and convergence time: Quasi-Newton, Levenberg-Marquardt, and Conjugate Gradient. The results showed that the three training algorithms were able to accurately simulate power production. Amongst all of them, the Levenberg-Marquardt was the one that presented the highest accuracy (R = 95%) and the fastest convergence (7.8 s). These results show that ANNs are useful and reliable tools for predicting energy harvesting from ceramic-MFCs under changeable flow rate conditions, which will facilitate the practical deployment of this technology.

Citation

de Ramón-Fernández, A., Salar-García, M. J., Ruiz Fernández, D., Greenman, J., & Ieropoulos, I. A. (2020). Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells. Energy, 213, https://doi.org/10.1016/j.energy.2020.118806

Journal Article Type Article
Acceptance Date Sep 6, 2020
Online Publication Date Sep 9, 2020
Publication Date Dec 15, 2020
Deposit Date Oct 30, 2020
Publicly Available Date Nov 6, 2020
Journal Energy
Print ISSN 0360-5442
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 213
Article Number 118806
DOI https://doi.org/10.1016/j.energy.2020.118806
Keywords artificial neural networks; modelling; microbial fuel cells; urine; flow rate; bioenergy
Public URL https://uwe-repository.worktribe.com/output/6804377

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