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New U.S. Army armor plating system can diagnose damage and classify incoming threats

By | December 1, 2009, 11:33 AM PST

A new armor plating system under development by the United States Army can diagnose inflicted damage as well as indicate what kind of rounds are incoming.

The “smart” or “intelligent” armor is the work of scientists and engineers at U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC) in Michigan, who wanted to bring a video game-style status meter to real life combat, reports Discovery News.

The armor can predict its own failure, identify the size of bullets shot at it and generate electrical power upon impact.

[Full report: Sensor-enhanced armor (.pdf)]

The technology behind the intelligence is piezoelectric, meaning it can generate a small charge when bent (or vice-versa: you can bend the material with a small charge, too).

Each plate of armor — whether for use on the body or on a vehicle — has two piezeoelectric sensors attached to it. Electric current flows into the sensor, which turns it into mechanical energy in the form of a tiny vibration that ripples through the armor plate.

The other sensor takes mechanical vibration and converts it to electrical energy. A “small charge” amounts to five to 15 volts of electricity.

The intelligence comes by measuring the current: if the armor has been damaged, for example, some of the current released into the armor won’t be picked up on the other end.

The amount of energy lost corresponds to how damaged the armor is.

The development is a vast improvement to current inspection methods: visual inspection or ultrasound, neither particularly useful during a firefight.

In contrast, piezoelectric sensors offer real-time results. They also offer one more benefit: active defense.

Each bullet striking the armor creates a minor electrical shock wave, enough to power the sensors.

Furthermore, mathematical algorithms would discern the electrical difference between different types and sizes of ammunition rounds.

In the future, the promising technology could be applied to ships, aircraft and other commercial uses.

Interested in more? Follow TARDEC on Twitter.

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Andrew Nusca

About Andrew Nusca

Andrew Nusca is the editor of SmartPlanet.

Andrew Nusca

Andrew Nusca

Editor

Andrew Nusca is editor of SmartPlanet and an associate editor for ZDNet. Previously, he worked at Money, Men's Vogue and Popular Mechanics magazines. He holds degrees from the Columbia University Graduate School of Journalism and New York University. He based in New York but resides in Philadelphia.

Follow him on Twitter.

Andrew Nusca

Andrew Nusca
Andrew Nusca does not hold any investments in the companies he covers.
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... Sweet! You want to increase the numbers in an all volunteer military? Produce something that seems to have been ripped off from Halo.

Put our money where our mouth is when we say we value and support our troops. Oh really?! If Washington wasn't lying, they'd invest a lot more in protection, not life insurance benefits and medical bills for wounded soldiers! What's cheaper, more attractive, and better for our soldiers? Better protection(.) Why do we see so many health insurance providers paying for routine check ups and preventative care? Because they've figured it out - but then... they are the private sector!!!
Posted by GuntherGump
8th Dec 2009
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