Please use this identifier to cite or link to this item: http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/3603
Title: A Multi-turn Coil Antenna with Non-uniform Clustered Turns Optimized using Q-assisted MMSE Procedure to Enhance Misalignment Tolerance in WPT Systems
Authors: Bharadwaj, A.
Sharma, A.
Reddy, C.C.
Keywords: Antenna arrays
Antennas
coil antenna
Couplings
Lateral misalignment
magnetic resonance coupling
Mean square error methods
minimum mean square error
Optimization
Receivers
Transmitters
wireless power transfer
Issue Date: 28-Jun-2022
Abstract: In this paper, an optimized non-uniformly distributed turn coil antenna is proposed to mitigate the lateral misalignment problem in wireless power transfer (WPT) systems. The proposed Q-assisted H-field forming technique is analytically implemented using a Minimum Mean Square Error (MMSE) based algorithm. This results in an optimized transmitter coil with clustered turns achieving a widespread uniformity of the H-field in the receiver working region. The proposed optimal design shows a consistent mutual inductance and power transfer efficiency (PTE) irrespective of the receiver misalignment which is realized using the circuit parameters. The analytical and simulated results of the proposed transmitter coil designed using the Q-assisted MMSE-based H-field forming technique is experimentally verified. The misalignment tolerance of the proposed antenna is improved over the existing design by 224The proposed design proves its advantage to realize misalignment tolerant wireless charging platforms for WPT applications.
URI: http://localhost:8080/xmlui/handle/123456789/3603
Appears in Collections:Year-2022

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