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Title	Detection Of Anomalies In The Operation Of A Road Lighting System Based On Data From Smart Electricity Meters
ID_Doc	19250
Authors	Śmiałkowski T.; Czyżewski A.
Year	2022
Published	Energies, 15, 24
DOI	http://dx.doi.org/10.3390/en15249438
Abstract	Smart meters in road lighting systems create new opportunities for automatic diagnostics of undesirable phenomena such as lamp failures, schedule deviations, or energy theft from the power grid. Such a solution fits into the smart cities concept, where an adaptive lighting system creates new challenges with respect to the monitoring function. This article presents research results indicating the practical feasibility of real-time detection of anomalies in a road lighting system based on analysis of data from smart energy meters. Short-term time series forecasting was used first. In addition, two machine learning methods were used: one based on an autoregressive integrating moving average periodic model (SARIMA) and the other based on a recurrent network (RNN) using long short-term memory (LSTM). The algorithms were tested on real data from an extensive lighting system installation. Both approaches enable the creation of self-learning, real-time anomaly detection algorithms. Therefore, it is possible to implement them on edge computing layer devices. A comparison of the algorithms indicated the advantage of the method based on the SARIMA model. © 2022 by the authors.
Author Keywords	anomaly detection; LSTM; machine learning; road lighting system; SARIMA; smart city; smart meters

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