RFID sensor tags to monitor road conditions
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By
eeNews Europe
In one application, these tags could be embedded into asphalt during the construction of roads, to measure the sometimes significant change in temperature between the various road sections. This is particularly beneficial for winter service departments, as costs for sand/salt and service personnel can be minimized without compromising safety, while also preventing the type of asphalt damages that are normally associated with the excessive use of sand/salt.
The UHF sensors could be read from a service truck (using an integrated transponder to harvest its energy from the reader).
Visit Fraunhofer IPMS at www.ipms.fraunhofer.de
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