Adaptive RFID Impedance Matching Based on Phase Difference for Oil Well Applications
Adaptive RFID Impedance Matching Based on Phase Difference for Oil Well Applications
复制标题
油井应用中基于相位差的自适应 RFID 阻抗匹配
DOI:
10.1109/tcsii.2016.2594236
复制
发表时间:
2017-05
期刊:
影响因子:
--
通讯作者:
Zhouping Yin
中科院分区:
文献类型:
--
作者:
Jixuan Zhu;Bo Tao;Zhouping Yin
Severe impedance mismatch problems due to the various environmental issues in downhole can greatly degrade the reliability of the radio-frequency identification (RFID) control system. In this brief, a new adaptive RFID impedance-matching system for oil well applications is presented, in which the measured real-time phase difference is employed to track the impedance mismatch information, while a variable capacitor array combined with a frequency sweep is used to rematch the mismatched impedance. Experiments have been performed and the results show that the impedance can be rematched perfectly when affected by from the various environmental influences.
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