Investigation of Tactile Sensory System Configuration for Construction Hazard Perception

Area of Science:

• Human-Computer Interaction
• Wearable Technology
• Occupational Safety and Health

Background:

• Tactile wearable devices show promise for communication, particularly for navigation assistance.
• Previous research explored tactile signals for hazard communication in construction.
• Limited attention has been given to sensor design parameters for effective tactile communication in construction environments.

Purpose of the Study:

• To identify key design factors for tactile sensory systems for construction hazard communication.
• To determine optimal motor count, sensor spacing, and layout for effective information delivery.
• To develop a system enabling workers to easily learn and interpret hazard signals.

Main Methods:

• Literature review to determine the number of motors based on construction safety needs.
• Experimental study to find the minimum spacing for accurate motor identification.
• Experimental study to determine optimal motor layout for communicating multiple hazard types.

Main Results:

• Established minimum spacing between vibration motors for accurate individual identification.
• Identified an effective motor layout for communicating diverse hazard information.
• Developed a tactile-sensor configuration that facilitates easy learning of signal patterns.

Conclusions:

• Optimized tactile-sensor configurations can significantly improve hazard communication on construction sites.
• Wearable tactile technology can effectively transmit hazard information, protecting workers.
• This system has the potential to prevent worker fatalities and severe injuries through early hazard detection.