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Title Comprehensive Assessment Of Context-Adaptive Street Lighting: Technical Aspects, Economic Insights, And Measurements From Large-Scale, Long-Term Implementations
ID_Doc 15303
Authors Pasolini G.; Toppan P.; Toppan A.; Bandiera R.; Mirabella M.; Zabini F.; Bonata D.; Andrisano O.
Year 2024
Published Sensors, 24, 18
DOI http://dx.doi.org/10.3390/s24185942
Abstract This paper addresses the growing importance of efficient street lighting management, driven by rising electricity costs and the need for municipalities to implement cost-effective solutions. Central to this study is the UNI 11248 Italian regulation, which extends the European EN 13201-1 standard introduced in 2016. These standards provide guidelines for designing, installing, operating, and maintaining lighting systems in pedestrian and vehicular traffic areas. Specifically, the UNI 11248 standard introduces the possibility to dynamically adjust light intensity through two alternative operating modes: (a) Traffic Adaptive Installation (TAI), which dims the light based solely on real-time traffic flow measurements; and (b) Full Adaptive Installation (FAI), which, in addition to traffic measurements, also requires evaluating road surface luminance and meteorological conditions. In this paper, we first present the general architecture and operation of an FAI-enabled lighting infrastructure, which relies on environmental sensors and a heterogeneous wireless communication network to connect intelligent, remotely controlled streetlights. Subsequently, we examine large-scale, in-field FAI infrastructures deployed in Vietnam and Italy as case studies, providing substantial measurement data. The paper offers insights into the measured energy consumption of these infrastructures, comparing them to that of conventional light-control strategies used in traditional installations. The measurements demonstrate the superiority of FAI as the most efficient solution. © 2024 by the authors.
Author Keywords adaptive dimming; environmental sensing; smart city; smart lighting; street lighting


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