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Snap4Light: managing multiple citys' road luminaries via Digtal Twin

Public lighting is a key issue for sustainable municipalities, so that the city and energy operators need sustainable solutions to reduce energy consumption. Snap4Light: Smart Light management system is innovative, economically sustainable and technologically reliable. Public administrations may exploit the solution in easy manner, adopting open technology to avoid vendor lock-in and proprietary technologies. Snap4Light may monitor and control public lighting, addressing any thousands of controlled luminaries. The solution can be deployed on a public cloud and may exploit LoRaWAN/NBIoT network connecting DALI II nodes of FlashNet or other devices, to communicate through gateways (e.g., open-source network server Chirpstack (https://www.chirpstack.io/). Snap4Light is used for: light dimering, profile programming and management of smart light system (unicast and multicast), monitoring status and error management, including cabinets powering luminaries. Moreover, Snap4Light also implemented the adaptive lighting system standard based on traffic conditions (TAI, Traffic Adaptive Installation) UNI11248:2016, and may adapt the light intensity on the basis of status area in terms of people, weather conditions, recognition of critical cases, etc. These solutions offer relevant advantages for administrations and citizens, including energy savings, reduction of and emissions, and improve road safety.

Thanks to Snap4Light dashboards and panels, the operators can monitor and manage the luminaries and network areas and the quality of services, in a multiuser, multi-tenant environment. Snap4Light simplifies the service management modalities including profiles and policy modalities for the different zones in the cities and simplify the process in which the city presents a mixt of LED dimerable and old technology luminaries connected at the same cabinets.

In particular, Snap4Light provides a user interface with:

  • map of the city areas involved with custom dynamic pins geographically positioned in the map and representing luminaries. Groups, cabinets, changing their status in real time according to the data received. to get an immediate overview of the city status.
  • Real time trends of the energy data to monitor the streetlights and cabinets data over time and send notifications in case of early warning.
  • managing nodes in the multicast groups, set the configurations, dimming profiles, on/off all nodes connected, etc. by managing in transparent manner the logic to decode/code the protocol messages and commands.
  • managing TAI and other integrations/events for control. The solution provides an interface for programming the time-controlled variations of luminance level in relation to hourly traffic flow, weather conditions or other parameters.

The Snap4Light demonstrated the potentiality for an integrated solution that can manage smart city operations in a more flexible manner, helping the municipality and stakeholder to take better decisions.

All the results and parameters are view/set from the views/dashboards of the graphic interface which can be provided with different customized user interfaces and styles.

Adding SnapAdvisor as an agentic AI layer to the Snap4City Smart Light Management System can transform it from a monitoring and control platform into an intelligent operational assistant. SnapAdvisor could interact with real-time lighting data, alarms, energy KPIs, maintenance history and technical documentation to understand operator requests in natural language, identify anomalies, explain their probable causes, recommend optimized dimming or maintenance actions, and support authorized workflows such as generating intervention tasks or reports. Combined with Snap4City’s Digital Twin, analytics and What-If capabilities, it could also help operators evaluate alternative lighting strategies and make faster, data-driven decisions while keeping recommendations grounded in trusted city data and documentation.

  • Main
    • Energy saving
    • Automation: profiling/dimming scheduling, road traffic, people presences
    • Exploiting Artificial Intelligence
  • Luminaries’ and Cabinets’ management
    • Manual and automated remote control: Individual and group lamp
    • Automation: profiling/dimming scheduling, road traffic, people presences
    • Real-time fault detection & alarms of lamps and/or cabinets
    • Energy monitoring and analytics per lamp and/or cabinet
  • Operator Overview
    • GIS/map-based dashboard, synoptic status on map
    • Management Dashboards for Operators: status, consumption, errors, single commands, control of single and groups of luminaries, etc.
    • Asset & maintenance management: web app for on road operators
    • Fault alarms management, assets management
    • Open / multi-vendor interoperability
    • Production of reports
  • AI and Automation
    • Traffic/pedestrian adaptive lighting according to the road usage
    • Automation of light intensity for: weather, traffic, road usage, events
    • Dark-sky / ecological lighting optimization
    • Predictive maintenance using AI
    • AI-driven lighting optimization, planning
  • Flexibility
    • Multi-tenant digital twin solution for multiple cities and multiple applications managements on the same platform
    • sensors agnostic, sensors monitoring and replacement
    • OTA firmware/configuration updates
    • Integrated city user engagement
  • Interoperability
    • Available as a vertical on a flexible horizontal platform supporting several tens of applications, cheap and scalable on tenant, scalable on adding vertical
    • Open APIs / smart-city integration
    • Sensors via LoraWan, NBIoT, TALQ, DALI-2/D4i, MQTT, NGSI, AMQP, HTTPS, LTE-M, FlashNet, Zhaga, rest API call, etc.
    • Integration with any network servers, API, etc.
    • Integration with any legacy solutions in place
    • Integration with environmental sensors (ALAN TALQ), smart city platforms
    • Multisensory integration for traffic, air quality, noise, pedestrian counters, ice on road, parking, flooding, EV charger, Wi-Fi, etc.
    • Compatibility with any kind of standard and also with OSM, GIS, API, etc.
  • Security
    • Cybersecurity + role-based access
    • OAuth, Active Directory, Cy-Login, EC-Login, EIC, etc.
    • GDPR compliance, passed PEN Test
  • Deploy
    • Gateways on the fields or provided by third parties
    • As a Service and as well as on premise
  • General:
    • Unified multimodal operational control center
    • Available as a vertical on a flexible horizontal platform
    • Open architecture and open-source horizontal platform supporting several tens of applications, cheap and scalable on tenant, scalable on adding vertical
      • Snap4Parking, Snap4Light, Snap4Waste, Snap4Mobility, Snap4Environment, Snap4Assets, Snap4GIS, Snap4Tourism, Snap4Building
      • Solutions: https://www.snap4city.org/4
  • References:
    • Snap4Light on Cyprus:
      • Number of cities: 5
      • Number of luminaries: 40260
      • Number of areas: 198
    • Snap4Light in Merano, Italy, 1000 luminaries, tvCamera, traffic flow sensors, etc.
    • Etc…

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