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 Wireless tech to limit earthquake damage

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Date posted: 17/04/2007

Dr Shirley Dyke, a professor of Civil Engineering and director of the Washington University Structural Control and Earthquake Engineering Laboratory, has created a prototype wireless motion sensor/dampener, for deployment within buildings.

She combined the wireless sensors with special controls called magnetorheological dampers to limit damage from a simulated earthquake load.

The wireless sensors, about a square inch in size, are attached to the sides of buildings to monitor the force of sway when shaking occurs. These then report to a small processor attached to themselves, which broadcasts to the building?s sensor net control computer ? which recieves feedback from all the wireless sensors. That, then calculates how best to reduce the movement and transmits back to each sensor.

The sensors then talk to their individual magnetorheological dampers to reduce the effects of the earthquake upon that particular building.

See the full Story via external site: www.scenta.co.uk



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