Wearable Halo Devices for Real-Time Worker Tracking and Visibility
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Solution Overview
Problem
In worksites across various industries, workers' visibility and tracking are challenging due to similar uniforms, environmental factors, and existing tracking methods' inefficiencies, making it difficult for managers to accurately locate and identify workers in real-time and provide necessary alerts.
Innovation Solution
A Configurable Site Safety system utilizing wearable halo devices with addressable lighting, GPS, and communication interfaces, which can display specific lighting schemes based on geographical, event-based, or role-based criteria, and provide alerts through visual, auditory, or haptic means, while also tracking location information and communicating with a site safety server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If passive tracking methods like reflective gear are used, then worker visibility is improved, but tracking accuracy and real-time location monitoring deteriorate
Solution Approach 1:
The patent replaces passive mechanical tracking methods (reflective gear) with active electronic tracking systems. Workers wear devices with transponders that actively transmit location data via GPS and receive/reflect signals from base stations, enabling both visibility enhancement and precise real-time tracking rather than just passive reflection.
Solution Approach 2:
The patent introduces base stations as intermediary components between workers and the tracking system. These base stations receive signals from worker transponders, process location data, and communicate with the central server, enabling accurate triangulation and real-time monitoring while workers remain visible through their signaling devices.
2Loss of time
If active electronic tracking devices are implemented, then real-time location monitoring is improved, but device complexity and cost increase
Solution Approach 1:
The patent divides the tracking system into separate functional components: wearable transponder devices on workers, distributed base stations throughout the worksite, and a central server for data processing. This segmentation allows each component to be optimized independently and simplifies deployment by distributing functionality across multiple units rather than requiring a single complex system.
Solution Approach 2:
The base stations serve multiple functions: they transmit signals to worker transponders for visibility, receive location data for tracking, and communicate with the central server. This multi-functionality reduces the need for separate dedicated devices for each function, thereby reducing overall system complexity while maintaining real-time monitoring capabilities.
3Ease of operation
If workers wear similar uniforms and safety equipment, then standardization is improved, but worker differentiation and identification deteriorate
Solution Approach 1:
The patent uses color-coded lighting elements on the wearable transponder devices to differentiate workers by role, status, or location. The system can display different colors (e.g., red for hazardous areas, green for safe zones, yellow for caution) or flash patterns, enabling quick visual identification of worker categories while maintaining uniform base clothing for standardization.
Solution Approach 2:
The patent applies differentiated visual signaling at specific locations on the worker's body through the wearable device, while the rest of the uniform remains standardized. The transponder device can display role-specific colors, status indicators, or location-based lighting patterns, allowing differentiation without compromising overall uniform standardization and safety equipment consistency.
Data Source
AI summary
A configurable site safety system includes a plurality of wearable signaling devices, each with an array of independently addressable lighting elements, a location receiver and one or more communication interfaces. The system may also include a site safety server to track location information received from at least each of the signaling devices, and to cause, based on a subset of the plurality of signaling devices satisfying defined geographical, event-based or other defined criteria, the lighting array of each of the subset of signaling devices to display a defined lighting scheme.