LAPSE:2023.28766
Published Article
LAPSE:2023.28766
A Framework to Generate and Label Datasets for Non-Intrusive Load Monitoring
April 12, 2023
In order to reduce the electricity consumption in our homes, a first step is to make the user aware of it. Raising such awareness, however, demands to pinpoint users of specific appliances that unnecessarily consume electricity. A retrofittable and scalable way to provide appliance-specific consumption is provided by Non-Intrusive Load Monitoring methods. These methods use a single electricity meter to record the aggregated consumption of all appliances and disaggregate it into the consumption of each individual appliance using advanced algorithms usually utilizing machine-learning approaches. Since these approaches are often supervised, labelled ground-truth data need to be collected in advance. Labeling on-phases of devices is already a tedious process, but, if further information about internal device states is required (e.g., intensity of an HVAC), manual post-processing quickly becomes infeasible. We propose a novel data collection and labeling framework for Non-Intrusive Load Monitoring. The framework is comprised of the hardware and software required to record and (semi-automatically) label the data. The hardware setup includes a smart-meter device to record aggregated consumption data and multiple socket meters to record appliance level data. Labeling is performed in a semi-automatic post-processing step guided by a graphical user interface, which reduced the labeling effort by 72% compared to a manual approach. We evaluated our framework and present the FIRED dataset. The dataset features uninterrupted, time synced aggregated, and individual device voltage and current waveforms with distinct state transition labels for a total of 101 days.
Keywords
data annotation, non-intrusive load monitoring, semi-automatic labeling, smart meter
Suggested Citation
Völker B, Pfeifer M, Scholl PM, Becker B. A Framework to Generate and Label Datasets for Non-Intrusive Load Monitoring. (2023). LAPSE:2023.28766
Author Affiliations
Völker B: Chair for Computer Architecture, University of Freiburg, 79110 Freiburg, Germany [ORCID]
Pfeifer M: Chair for Computer Architecture, University of Freiburg, 79110 Freiburg, Germany [ORCID]
Scholl PM: Chair for Computer Architecture, University of Freiburg, 79110 Freiburg, Germany
Becker B: Chair for Computer Architecture, University of Freiburg, 79110 Freiburg, Germany [ORCID]
Journal Name
Energies
Volume
14
Issue
1
Article Number
E75
Year
2020
Publication Date
2020-12-25
Published Version
ISSN
1996-1073
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PII: en14010075, Publication Type: Journal Article
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LAPSE:2023.28766
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doi:10.3390/en14010075
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Apr 12, 2023
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