An Application of Machine Learning to Estimate and Evaluate the Energy Consumption in an Office Room

Kuang-Sheng Liu, Iskandar Muda, Ming-Hung Lin, Ngakan Ketut Acwin Dwijendra, Gaylord Carrillo Caballero, Aníbal Alviz-Meza () and Yulineth Cárdenas-Escrocia
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Kuang-Sheng Liu: Department of Architecture and Interior Design, Cheng Shiu University, Kaohsiung City 83301, Taiwan
Iskandar Muda: Department of Doctoral Program, Faculty Economic and Business, Universitas Sumatera Utara, Medan 20222, Indonesia
Ming-Hung Lin: Department of Electrical Engineering, Cheng Shiu University, Kaohsiung City 83301, Taiwan
Ngakan Ketut Acwin Dwijendra: Department of Architecture, Faculty of Engineering, Udayana University, Bali 80361, Indonesia
Gaylord Carrillo Caballero: Grupo de Investigación en Energías Alternativas y Fluidos (EOLITO), Universidad Tecnológica de Bolívar (UTB), Cartagena 130002, Colombia
Aníbal Alviz-Meza: Research Group en Deterioro de Materiales, Transición Energética y Ciencia de datos DANT3, Facultad de Ingeniería, Arquitectura y Urbanismo, Universidad Señor de Sipán, Chiclayo 14002, Peru
Yulineth Cárdenas-Escrocia: Research Group GIOPEN, Energy Department, Universidad de la Costa (CUC), Barranquilla 080016, Colombia

Sustainability, 2023, vol. 15, issue 2, 1-14

Abstract: There are no exact criteria for the architecture of openings and windows in office buildings in order to optimize energy consumption. Due to the physical limitations of this renewable energy source and the lack of conscious control over its capabilities, the amount of light entering offices and the role of daylight as a source of energy are determined by how they are constructed. In this study, the standard room dimensions, which are suitable for three to five employees, are compared to computer simulations. DesignBuilder and EnergyPlus are utilized to simulate the office’s lighting and energy consumption. This study presents a new method for estimating conventional energy consumption based on gene expression programming (GEP). A gravitational search algorithm (GSA) is implemented in order to optimize the model results. Using input and output data collected from a simulation of conventional energy use, the physical law underlying the problem and the relationship between inputs and outputs are identified. This method has the advantages of being quick and accurate, with no simulation required. Based on effective input parameters and sensitivity analysis, four models are evaluated. These models are used to evaluate the performance of the trained network based on statistical indicators. Among all the GEP models tested in this study, the one with the lowest MAE (0.1812) and RMSE (0.09146) and the highest correlation coefficient (0.90825) is found to be the most accurate.

Keywords: gene expression programming; gravitational search algorithm; office room’s window; machine learning; daylight; optimization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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