An evolution of RFID grids for crack detection

This paper presents the concept of the detection of crack in metal using radio frequency identification (RFID) tag antenna based sensor (TABS) in ultra-high frequency (UHF) band. The major purpose of our work is to simulate and explore a feasibility, challenges and principles of crack detection based on RFID grids, which can promise the widespread adoption of a smart skin in the field of structural health monitoring (SHM), e.g. health monitoring in railway track.