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A General Simulation Framework for Radiative Wireless Power Transfer Systems Based On Phased-Array Transmitters

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Název: A General Simulation Framework for Radiative Wireless Power Transfer Systems Based On Phased-Array Transmitters
Autoři: Kletsov, Andrey, Vilenskiy, Artem, 1988, Chernokalov, Alexander, Lee, Chongmin, Yeo, Sungku
Zdroj: 97th IEEE Vehicular Technology Conference, VTC 2023-Spring, Florence, Italy IEEE Vehicular Technology Conference. 2023-June
Témata: array autofocusing, antenna array, wireless charging algorithms, Radiative wireless power transfer
Popis: Radiative wireless power transfer (WPT) is an emerging technology for charging moving objects (e.g., vehicles) or static user terminals (e.g., mobile handsets). The most popular radiative WPT techniques employ transmitter (TX) and receiver (RX) phased arrays with dynamic beamforming functionalities. In this paper, we present a simulation approach capable of accurately estimating main WPT characteristics such as received power and power transfer efficiency. The method employs the equivalence principle to approximate TX and RX antenna apertures during the charging process, whereas antenna coupling is computed using the reaction concept. We demonstrate several multi-RX charging examples for different amplitude-only TX autofocusing algorithms. The discussion is complemented by an RX rectifier performance consideration.
Přístupová URL adresa: https://research.chalmers.se/publication/537464
Databáze: SwePub
Popis
Abstrakt:Radiative wireless power transfer (WPT) is an emerging technology for charging moving objects (e.g., vehicles) or static user terminals (e.g., mobile handsets). The most popular radiative WPT techniques employ transmitter (TX) and receiver (RX) phased arrays with dynamic beamforming functionalities. In this paper, we present a simulation approach capable of accurately estimating main WPT characteristics such as received power and power transfer efficiency. The method employs the equivalence principle to approximate TX and RX antenna apertures during the charging process, whereas antenna coupling is computed using the reaction concept. We demonstrate several multi-RX charging examples for different amplitude-only TX autofocusing algorithms. The discussion is complemented by an RX rectifier performance consideration.
ISSN:15502252
DOI:10.1109/VTC2023-Spring57618.2023.10199468