Application of Multilayer Extreme Learning Machine for Efficient Building Energy Prediction

Muideen Adegoke, Alaka Hafiz (), Saheed Ajayi and Razak Olu-Ajayi
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Muideen Adegoke: Big Data Technologies and Innovation Laboratory, University of Hertfordshire, Hatfield AL10 9AB, UK
Alaka Hafiz: Big Data Technologies and Innovation Laboratory, University of Hertfordshire, Hatfield AL10 9AB, UK
Saheed Ajayi: School of Built Environment, Engineering and Computing, Leeds Beckett University, Leeds LS2 8AG, UK
Razak Olu-Ajayi: Big Data Technologies and Innovation Laboratory, University of Hertfordshire, Hatfield AL10 9AB, UK

Energies, 2022, vol. 15, issue 24, 1-21

Abstract: Building energy efficiency is vital, due to the substantial amount of energy consumed in buildings and the associated adverse effects. A high-accuracy energy prediction model is considered as one of the most effective ways to understand building energy efficiency. In several studies, various machine learning models have been proposed for the prediction of building energy efficiency. However, the existing models are based on classical machine learning approaches and small datasets. Using a small dataset and inefficient models may lead to poor generalization. In addition, it is not common to see studies examining the suitability of machine learning methods for forecasting the energy consumption of buildings during the early design phase so that more energy-efficient buildings can be constructed. Hence, for these purposes, we propose a multilayer extreme learning machine (MLELM) for the prediction of annual building energy consumption. Our MLELM fuses stacks of autoencoders (AEs) with an extreme learning machine (ELM). We designed the autoencoder based on the ELM concept, and it is used for feature extraction. Moreover, the autoencoders were trained in a layer-wise manner, employed to extract efficient features from the input data, and the extreme learning machine model was trained using the least squares technique for a fast learning speed. In addition, the ELM was used for decision making. In this research, we used a large dataset of residential buildings to capture various building sizes. We compared the proposed MLELM with other machine learning models commonly used for predicting building energy consumption. From the results, we validated that the proposed MLELM outperformed other comparison methods commonly used in building energy consumption prediction. From several experiments in this study, the proposed MLELM was identified as the most efficient predictive model for energy use before construction, which can be used to make informed decisions about, manage, and optimize building design before construction.

Keywords: energy prediction; building energy consumption; machine learning; energy efficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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