W. Lee et al., "Ergonomic Design and Evaluation of a Pilot Oxygen Mask for Korea Air Force Pilots", in Proc. of 5th Int. Conf. on 3D Body Scanning Technologies, Lugano, Switzerland, 2014, pp. 84-92, doi:10.15221/14.084.
Ergonomic Design and Evaluation of a Pilot Oxygen Mask for Korea Air Force Pilots
Wonsup Lee 1, Daehan Jung 2, Seikwon Park 3, Hee-Eun Kim 4, Heecheon You 1
1 Industrial and Management Engineering, POSTECH, South Korea;
2 Department of Mechanical Engineering, Korea Air Force Academy, Cheongwon, South Korea;
3 Department of Systems Engineering, Korea Air Force Academy, Cheongwon, South Korea;
4 Department of Clothing and Textiles, Kyungpook National University, Daegu, South Korea
The present study developed a virtual fit analysis (VFA) method to design an oxygen mask which fits Korean Air Force (KAF) pilots. The VFA method used 3D face scan data of 336 KAF pilots to find the most proper shape of an oxygen mask for KAF pilots. The oxygen mask design revised in the study showed a 27% design improvement effect on average in terms of fit evaluated by the VFA method. Additionally, this study evaluated the revised oxygen mask prototypes with 88 KAF pilots to experimentally verify the design improvement effect in terms of discomfort, pressure, and suitability for military equipment (slippage and stability in flight-like situations). The discomfort of the revised mask was 33 ~ 56% lower on average than the existing oxygen mask. In terms of the pressure, the revised mask showed 11 ~ 33% of improvement on average compared to the existing mask. Furthermore, on high gravity situation, the slippage distance of the revised mask was 24% shorter on average than the existing mask. The proposed VFA method can be applied to the design and evaluation of wearable products that require an ergonomically better fit for a target population.
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