After a significant effort as part of Work Item (WK) 67358, ASTM has updated the Air profile called upon within D-4169, Standard Practice for Performance Testing of Shipping Containers and Systems. This Work… read more →
The United States Army Combat Capabilities Development Command (DEVCOM) Ground Vehicle Systems Center (GVSC) operates what’s called the Occupant Protection Laboratory at the Selfridge Air National Guard Base, located in… read more →
Continuing from Part 2 of this series...after establishing improved confidence in identifying tire effects on vehicle ride quality, I finally decided it was time to replace my tires all together. To document before… read more →
Continuing from Part 1 of this series, intuitively, one could expect that the resonant tire frequency in the data would change with changes in vehicle speed. The slower the speed, the lower… read more →
When we describe transport vibration, we typically use Power Spectral Density (PSD) plots to define meaningful characteristics (frequency bandwidth, amplitude within discreet frequency bandwidth bins, and overall spectrum intensity). Another… read more →