RFID SENSORS OBJECTIVES ABOUT PASSIVE RFID METHODS FINDINGS Research Team: Amir Shahidi, Sandunmalee Abeyratne, Praveen Margana, Christopher Lyons, Vivek Ravi Advisors: Dimitrios Peroulis, Xiaoguang Liu OBJECTIVES Investigate various passive RFID tags for use on metal bearings Modeling of real-world environments for RFID tags ABOUT PASSIVE RFID Radio Frequency Identification Applications include inventory tracking Tag composed of IC and antennae Tags activated by RF signal from reader Information sent to reader via electromagnetic waves Thing Magic Reader METHODS Tag Testing Distance Sensitivity Orientation Sensitivity Effect of metal Different environments Bearing Testing Various Cage Designs Insulating tags from metal bearing FINDINGS Discovered Xerafy Picox tags have optimal performance in metal environments. Linearly polarized antenna Transmitting frequencies 902 MHz – 928 MHz Lining tags with aluminum increases strength of reads Performance factors – tags, readers, and the environment FUTURE WORK Exploring proper mounting techniques on bearings. Field testing simulations of extreme real-life environments. Testing the capability of tags to contain part information. New Reader Modifying tag size CS101