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Helmet accommodation analysis using 3D laser scanning.

P Meunier1, D Tack, A Ricci

  • 1Systems Modelling Group, Defence and Civil Institute of Environmental Medicine, Toronto, Ontario, Canada. pmeunier@dciem.dnd.ca

Applied Ergonomics
|September 7, 2000
PubMed
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This study introduces a 3D laser scanning method for assessing helmet fit by measuring skull-to-helmet distance. The technology offers objective data for design improvements and proves a reliable tool for evaluating helmet sizing systems.

Area of Science:

  • Biomechanics
  • Ergonomics
  • Product Design

Background:

  • Accurate helmet sizing is crucial for safety and comfort.
  • Traditional methods for assessing helmet fit can be subjective and time-consuming.
  • Objective, quantifiable data is needed to optimize helmet design for diverse populations.

Purpose of the Study:

  • To describe a novel method for determining helmet sizing system accommodation using 3D laser scanning.
  • To evaluate the effectiveness of 3D laser scanning in measuring helmet standoff distance.
  • To provide objective evidence for helmet design modifications.

Main Methods:

  • Utilized 3D laser scanning to measure helmet standoff distance (skull-to-helmet interior).
  • Employed a representative sample of test subjects for data collection.

Related Experiment Videos

  • Developed specialized software to calculate standoff distance from scan data.

    • Main Results:

    • 3D laser scanning is an effective tool for helmet fit assessment, offering ease of use and visualization of problem areas.
    • The method provides objective data to guide helmet design changes.
    • Comparison with a physical probe method showed discrepancies, but laser scanning was slightly more conservative.

    Conclusions:

    • 3D laser scanning offers a valuable, objective approach to evaluating helmet sizing systems.
    • The technology aids designers in identifying necessary design modifications for improved fit.
    • Laser scanning provides a reliable, safety-conscious method for assessing helmet accommodation.