Publications by authors named "Brian E Moyer"
Measuring shoe-floor friction is critical for assessing the safety of footwear products. Portable devices for measuring coefficient of friction (COF) are needed. This study introduces such a device and evaluates its ability to predict human slip events across shoe designs.
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- Available Coefficient of Friction (ACOF) measures footwear traction as the ratio of friction to normal force, but the ideal time-interval for accurate results is unclear.
- A study analyzed nine shoe-floor-contaminant combinations to determine how repeatable and reliable ACOF values are over four different time-intervals (2 ms, 50 ms, 100 ms, 200 ms) after reaching a target normal force.
- The findings showed that while differences in repeatability across intervals were minor, shorter intervals (like 2 ms) provided less reliability but improved the ability to predict slips, leading to a recommendation of using a 50 ms interval for better testing efficiency.
Shoe wear is known to increase slipping risk, but few studies have systematically studied this relationship. This study investigated the impact of progressive shoe wear on the available coefficient of friction (ACOF) and under-shoe fluid dynamics. Five different slip-resistant shoes were progressively worn using an accelerated, abrasive, wear protocol.
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