Energy Efficient Deep Multi-Label ON/OFF Classification of Low Frequency Metered Home Appliances

• URL: http://arxiv.org/abs/2307.09244v2
• Date: Fri, 29 Mar 2024 15:54:02 GMT
• Title: Energy Efficient Deep Multi-Label ON/OFF Classification of Low Frequency Metered Home Appliances
• Authors: Anže Pirnat, Blaž Bertalanič, Gregor Cerar, Mihael Mohorčič, Carolina Fortuna,
• Abstract summary: Non-intrusive load monitoring (NILM) is the process of obtaining appliance-level data from a single metering point. We introduce a novel DL model aimed at enhanced multi-label classification of NILM with improved computation and energy efficiency. Compared to the state-of-the-art, the proposed model has its energy consumption reduced by more than 23%.
• Score: 0.16777183511743468
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Non-intrusive load monitoring (NILM) is the process of obtaining appliance-level data from a single metering point, measuring total electricity consumption of a household or a business. Appliance-level data can be directly used for demand response applications and energy management systems as well as for awareness raising and motivation for improvements in energy efficiency. Recently, classical machine learning and deep learning (DL) techniques became very popular and proved as highly effective for NILM classification, but with the growing complexity these methods are faced with significant computational and energy demands during both their training and operation. In this paper, we introduce a novel DL model aimed at enhanced multi-label classification of NILM with improved computation and energy efficiency. We also propose an evaluation methodology for comparison of different models using data synthesized from the measurement datasets so as to better represent real-world scenarios. Compared to the state-of-the-art, the proposed model has its energy consumption reduced by more than 23% while providing on average approximately 8 percentage points in performance improvement when evaluating on data derived from REFIT and UK-DALE datasets. We also show a 12 percentage point performance advantage of the proposed DL based model over a random forest model and observe performance degradation with the increase of the number of devices in the household, namely with each additional 5 devices, the average performance degrades by approximately 7 percentage points.

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