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Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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An Embedded Sensory System for Worker Safety: Prototype Development and Evaluation.

Chunhee Cho1, JeeWoong Park2

  • 1Department of Civil and Environmental Engineering and Construction, The University of Nevada, Las Vegas, NV 89154, USA. chunhee.cho@unlv.edu.

Sensors (Basel, Switzerland)
|April 18, 2018
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Summary

Construction workers can gain enhanced environmental awareness through a novel embedded sensory system. This tactile feedback system uses specific signal parameters for rapid information transfer, improving safety in complex work sites.

Keywords:
awarenesscommunicationconstructionconstruction workersafetysensing

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Area of Science:

  • Human-Computer Interaction
  • Occupational Safety
  • Sensory Augmentation

Background:

  • Construction sites present significant sensory challenges for workers, primarily relying on sight and sound.
  • Dynamic, loud, and complex environments often impede effective situational awareness.
  • Existing communication methods may be insufficient in high-risk construction settings.

Purpose of the Study:

  • To explore an embedded sensory system for augmenting construction workers' perception of their surroundings.
  • To identify key parameters for effective tactile-based communication in construction.
  • To develop and validate a prototype system for artificial sensing capabilities.

Main Methods:

  • Identified three critical parameters for tactile signals: intensity, signal length, and pulse delay.
  • Developed a prototype system incorporating these tactile signal parameters.
  • Conducted experimental studies to quantify parameter sensitivity and validate communication effectiveness.

Main Results:

  • Tactile signal parameters and their ranges were perceivable within fractions of a second.
  • The prototype system demonstrated effective delivery of simple information via tactile signals.
  • Signal mapping techniques enhanced the transmission of environmental awareness through touch.

Conclusions:

  • The developed tactile sensory system offers a viable method for enhancing construction worker awareness.
  • Identified tactile signal parameters provide a foundation for rapid, effective communication.
  • This research paves the way for advanced tactile messaging in challenging environments.