The Design of RFID Conveyor Belt Gate Systems Using an Antenna Control Unit
AbstractThis paper proposes an efficient management system utilizing a Radio Frequency Identification (RFID) antenna control unit which is moving along with the path of boxes of materials on the conveyor belt by manipulating a motor. The proposed antenna control unit, which is driven by a motor and is located on top of the gate, has an array structure of two antennas with parallel connection. The array structure helps improve the directivity of antenna beam pattern and the readable RFID distance due to its configuration. In the experiments, as the control unit follows moving materials, the reading time has been improved by almost three-fold compared to an RFID system employing conventional fixed antennas. The proposed system also has a recognition rate of over 99% without additional antennas for detecting the sides of a box of materials. The recognition rate meets the conditions recommended by the Electronic Product Code glbal network (EPC)global for commercializing the system, with three antennas at a 20 dBm power of reader and a conveyor belt speed of 3.17 m/s. This will enable a host of new RFID conveyor belt gate systems with increased performance.
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Park, C.R.; Lee, S.J.; Eom, K.H. The Design of RFID Conveyor Belt Gate Systems Using an Antenna Control Unit. Sensors 2011, 11, 9033-9044.
Park CR, Lee SJ, Eom KH. The Design of RFID Conveyor Belt Gate Systems Using an Antenna Control Unit. Sensors. 2011; 11(9):9033-9044.Chicago/Turabian Style
Park, Chong Ryol; Lee, Seung Joon; Eom, Ki Hwan. 2011. "The Design of RFID Conveyor Belt Gate Systems Using an Antenna Control Unit." Sensors 11, no. 9: 9033-9044.