Decision tree-based approach for online management of PEM fuel cells for residential application

This thesis demonstrates a new intelligent technique for the online optimal management of PEM fuel cells units for onsite energy production to supply residential utilizations. Classical optimization techniques are based on offline calculations and cannot provide the necessary computational speed...

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Main Author: Mohd Rusllim, Mohamed
Format: Thesis
Language:English
Published: 2004
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/2184/1/MOHD_RUSLLIM_BIN_MOHAMED.PDF
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spelling my-ump-ir.21842017-10-25T07:35:34Z Decision tree-based approach for online management of PEM fuel cells for residential application 2004-10 Mohd Rusllim, Mohamed TK Electrical engineering. Electronics Nuclear engineering This thesis demonstrates a new intelligent technique for the online optimal management of PEM fuel cells units for onsite energy production to supply residential utilizations. Classical optimization techniques are based on offline calculations and cannot provide the necessary computational speed for online performance. In this research, a Decision Tree (DT) algorithm is employed to obtain the optimal, or quasioptimal, settings of the fuel cell online and in a general framework. The main idea is to employ a classification technique, trained on a sufficient subset of data, to produce an estimate of the optimal setting without repeating the optimization process. A database is extracted from a previously-performed Genetic Algorithm (GA)-based optimization has been used to create a suitable decision tree, which was intended for generalizing the optimization results. The approach provides the flexibility of adjusting the settings of the fuel cell online according to the observed variations in the tariffs and load demands. Results at different operating conditions are presented to confirm the high accuracy of the proposed generalization technique. The accuracy of the decision tree has been tested by evaluating the relative error with respect to the optimized values. Then, the possibility of pruning the tree has been investigated in order to simplify its structure without affecting the accuracy of the results. In addition, the accuracy of the DTs to approximate the optimal performance of the fuel cell is compared to that of the Artificial Neural Networks (ANNs) used for the same purpose. The results show that the DTs can somewhat outperform the ANNs with certain pruning levels. 2004-10 Thesis http://umpir.ump.edu.my/id/eprint/2184/ http://umpir.ump.edu.my/id/eprint/2184/1/MOHD_RUSLLIM_BIN_MOHAMED.PDF application/pdf en public masters Universiti Malaysia Pahang Faculty of Electrical & Electronic Engineering
institution Universiti Malaysia Pahang Al-Sultan Abdullah
collection UMPSA Institutional Repository
language English
topic TK Electrical engineering
Electronics Nuclear engineering
spellingShingle TK Electrical engineering
Electronics Nuclear engineering
Mohd Rusllim, Mohamed
Decision tree-based approach for online management of PEM fuel cells for residential application
description This thesis demonstrates a new intelligent technique for the online optimal management of PEM fuel cells units for onsite energy production to supply residential utilizations. Classical optimization techniques are based on offline calculations and cannot provide the necessary computational speed for online performance. In this research, a Decision Tree (DT) algorithm is employed to obtain the optimal, or quasioptimal, settings of the fuel cell online and in a general framework. The main idea is to employ a classification technique, trained on a sufficient subset of data, to produce an estimate of the optimal setting without repeating the optimization process. A database is extracted from a previously-performed Genetic Algorithm (GA)-based optimization has been used to create a suitable decision tree, which was intended for generalizing the optimization results. The approach provides the flexibility of adjusting the settings of the fuel cell online according to the observed variations in the tariffs and load demands. Results at different operating conditions are presented to confirm the high accuracy of the proposed generalization technique. The accuracy of the decision tree has been tested by evaluating the relative error with respect to the optimized values. Then, the possibility of pruning the tree has been investigated in order to simplify its structure without affecting the accuracy of the results. In addition, the accuracy of the DTs to approximate the optimal performance of the fuel cell is compared to that of the Artificial Neural Networks (ANNs) used for the same purpose. The results show that the DTs can somewhat outperform the ANNs with certain pruning levels.
format Thesis
qualification_level Master's degree
author Mohd Rusllim, Mohamed
author_facet Mohd Rusllim, Mohamed
author_sort Mohd Rusllim, Mohamed
title Decision tree-based approach for online management of PEM fuel cells for residential application
title_short Decision tree-based approach for online management of PEM fuel cells for residential application
title_full Decision tree-based approach for online management of PEM fuel cells for residential application
title_fullStr Decision tree-based approach for online management of PEM fuel cells for residential application
title_full_unstemmed Decision tree-based approach for online management of PEM fuel cells for residential application
title_sort decision tree-based approach for online management of pem fuel cells for residential application
granting_institution Universiti Malaysia Pahang
granting_department Faculty of Electrical & Electronic Engineering
publishDate 2004
url http://umpir.ump.edu.my/id/eprint/2184/1/MOHD_RUSLLIM_BIN_MOHAMED.PDF
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