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Pedestrian safety crosswalks in smart cities: the VALLPASS approach
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Smart Cities are the culmination of effective management regarding information collected in the urban environment. The digitization and modernization of various devices commonly present in cities and data collection for statistical purposes is one of the most aggregating technological developments from an organizational perspective. With the purpose of innovation and modernization, the project described in this paper seeks to update the concept of safety at crosswalks by implementing an IoT system. Two signalling posts located on opposite sides of each crosswalk identify the presence of pedestrians in the imminence of crossing and consequent activation of dedicated signalling to allow better visualization for drivers, especially in unfavourable weather conditions. The system design was based on modularity approaches to the plug-and-play philosophy, self-commissioning of the pedestrian identification system, and energy self-sufficiency from a renewable energy source. The communication between modules is performed via LoRa protocol which offers the advantages of low power consumption added to satisfactory data transfer rates and wide coverage capacity suitable for the designed application. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.
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Rosse, Higor; Barbosa, José; Coelho, João Paulo (2024). Pedestrian safety crosswalks in smart cities: the VALLPASS approach. In 6th APCA International Conference on Automatic Control and Soft Computing, CONTROLO 2024. Porto. p. 29-40. DOI: 10.1007/978-3-031-81724-3_4