RFID-based corrosion and moisture detection

Details RFID-based corrosion and moisture detection RFID-based corrosion and moisture detection

2008-11-18

2011-10-18

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572500, C340S572800, C340S010410, C340S870070, C340S870160, C340S541000, C340S545100, C340S657000, C073S767000, C073S768000, C073S799000, C073S802000, C073S851000

Reexamination Certificate

active

08040243

ABSTRACT:
Structural health monitoring apparatuses and methods are disclosed. One or more structural health sensors may be used to disconnect and/or connect one or more RFID chips to an antenna such that wireless communication with the one or more RFID chips (or the absence of wireless communication) through the antenna indicates the structural health status. Example structural health sensors may be moisture detecting or fracture detecting. A remote reader may be used to establish the wireless communication with the one or more RFID chips to determine the structural health. The sensors and RFID chips may be passive and powered through the wireless communication from the remote reader. Such apparatuses and methods may be applied to any large structures requiring regular inspection, such as aircraft, ships, automobiles or buildings.

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