Wear and tear on Humvees need not slow down the U.S. Army – soldiers could soon drive over speed bump-like diagnostic cleats to determine the conditions their vehicles are in.
Embedded sensors could detect suspension or tire problems by comparing vibration signatures with the baseline signature of a healthy vehicle. Researchers used triaxial accelerometers to gauge tire forces in a cleat prototype.
"The cleat is a quick first check to determine what's mechanically wrong with a vehicle before wasting time hunting for potentially simple problems," said Joseph Gothamy, who leads the reliability and durability simulation team at Army's Tank Automotive Research, Development and Engineering Center, in Warren, Michigan.
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