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IoT Based Smart Helmet for Construction Workers Tracking

IoT Based Smart Helmet for Construction Workers Tracking

Construction sites are dynamic and potentially hazardous environments where knowing the location of every worker is critical to safety and efficiency. Lansitec’s Helmet Tracker, equipped with GNSS and Bluetooth capabilities, provides real-time location tracking of construction workers. This feature not only enhances safety by ensuring all personnel are accounted for, especially in emergency situations, but also helps in monitoring worker attendance and movement, thereby optimizing workflow and resource allocation.

Lansitec's Helmet Sensor Advancements
  • Implementation: Each construction worker wears a helmet equipped with a Lansitec Helmet Sensor. This sensor acts as a mobile beacon. Bluetooth gateways are installed at strategic points around the construction site. These gateways are fixed and collect data from the sensors as workers move around.
  • Real-Time Data Handling: As workers move within the range of different gateways, their position data, collected via BLE, is transmitted back to a central server through the LoRa network. The server calculates and updates the real-time positions of each worker, providing vital data for safety monitoring and operational management.
  • Advantages: Provides dynamic, real-time tracking as workers move across various areas of the construction site, both indoors and outdoors. This enables quick response to accidents or emergencies by pinpointing the exact location of workers.
  • Disadvantages: The mobile nature of the helmet sensor means that regular battery checks and replacements are necessary to maintain functionality. Also, the effectiveness of the system is contingent upon the placement and range of the Bluetooth gateways.
  • Implementation: Fixed beacons are deployed throughout the construction site. Each worker’s helmet sensor receives signals from these fixed beacons, determining the worker’s location based on the strength of the signal (RSSI) and triangulation methods.
  • Continuous Data Transmission: Location data is continuously sent to a central server via LoRaWAN or NB-IoT, allowing for constant site monitoring. Enables setting up specific geo-fenced zones, sending alerts if workers enter hazardous or restricted areas.
  • Advantages: Provides accurate location tracking that is crucial for enforcing safety zones and responding to emergencies. Less prone to interference or signal loss as the beacons are fixed and strategically placed for optimal coverage. Once installed, the system requires minimal maintenance, and fixed beacons typically have a longer battery life than mobile sensors.
  • Disadvantages: Requires careful planning and installation of fixed beacons throughout the site, which can be costly and time-consuming. Adjusting the system to changes in the site layout or expanding the covered area can be challenging and may require additional hardware.