Residential Energy Consumer Occupancy Prediction Based on Support Vector Machine

Dinh Hoa Nguyen
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Dinh Hoa Nguyen: International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Institute of Mathematics for Industry (IMI), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan

Sustainability, 2021, vol. 13, issue 15, 1-13

Abstract: The occupancy of residential energy consumers is an important subject to be studied to account for the changes on the load curve shape caused by paradigm shifts to consumer-centric energy markets or by significant energy demand variations due to pandemics, such as COVID-19. For non-intrusive occupancy analysis, multiple types of sensors can be installed to collect data based on which the consumer occupancy can be learned. However, the overall system cost will be increased as a result. Therefore, this research proposes a cheap and lightweight machine learning approach to predict the energy consumer occupancy based solely on their electricity consumption data. The proposed approach employs a support vector machine (SVM), in which different kernels are used and compared, including positive semi-definite and conditionally positive definite kernels. Efficiency of the proposed approach is depicted by different performance indexes calculated on simulation results with a realistic, publicly available dataset. Among SVM models with different kernels, those with Gaussian (rbf) and sigmoid kernels have the highest performance indexes, hence they may be most suitable to be used for residential energy consumer occupancy prediction.

Keywords: energy consumer occupancy; consumer-centric energy systems and approaches; support vector machine; machine learning; artificial intelligence (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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