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Optimization Design of High Field Strength RFID Antenna for Underground Detection
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En-kang ZHANG1, Ru-qiang LIU1, Jun-xiang WANG1, Sheng-hang XU1, Hou-bao ZHANG1, Ji-xuan ZHU2, *
Science Technology and Engineering | 2025, 25(1) : 278 - 283
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Science Technology and Engineering | 2025, 25(1): 278-283
• Papers·Automation and Computational Technology •
Optimization Design of High Field Strength RFID Antenna for Underground Detection
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En-kang ZHANG1, Ru-qiang LIU1, Jun-xiang WANG1, Sheng-hang XU1, Hou-bao ZHANG1, Ji-xuan ZHU2, *
Affiliations
  • 1. CRRC Qingdao Sifang Co., Ltd., Qingdao 266000, China
  • 2. School of Automation, China University of Geosciences, Wuhan 430074, China
Published: 2025-01-08 doi: 10.12404/j.issn.1671-1815.2307922
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At present, the performance of the traditional centralized coil antenna used for radio frequency identification(RFID) detection and localization of underground cables is insufficient, which seriously restricts the improvement of its detection and localization distance. A new type of high field strength distributed RFID coil antenna structure was proposed. Based on the derivation of antenna related electrical parameters, the magnetic field strength of the coil antenna was taken as the objective function, and its quality factor was fixed as the constraint condition. Particle swarm optimization algorithm was employed to optimize the number of turns of the coil antenna and the turn spacing between adjacent two turns. Finally, an experimental test platform was built. The test results show that compared with the traditional centralized RFID coil antenna, the distributed RFID coil antenna increases the reading distance by 33.3%, significantly enhances the received signal strength indicator (RSSI) at the same distance, and helps to improve the accuracy of the underground RFID localization method based on RSSI, which provides an important reference for the application of RFID detection and localization of underground cables.

RFID  /  inductive coupling  /  coil antenna optimization  /  underground communication  /  underground localization
En-kang ZHANG, Ru-qiang LIU, Jun-xiang WANG, Sheng-hang XU, Hou-bao ZHANG, Ji-xuan ZHU. Optimization Design of High Field Strength RFID Antenna for Underground Detection[J]. Science Technology and Engineering, 2025 , 25 (1) : 278 -283 . DOI: 10.12404/j.issn.1671-1815.2307922
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Year 2025 volume 25 Issue 1
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Article Info
doi: 10.12404/j.issn.1671-1815.2307922
  • Receive Date：2023-10-11
  • Online Date：2025-07-29
  • Published：2025-01-08
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History
  • Received：2023-10-11
  • Revised：2024-07-04
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Affiliations
    1. CRRC Qingdao Sifang Co., Ltd., Qingdao 266000, China
    2. School of Automation, China University of Geosciences, Wuhan 430074, China
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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