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The transfer efficiency of a resonant wireless power transfer system highly depends on the load impedance and the reactance of the resonators. In many practical applications, these parameters fluctuate by the variation of operating conditions. Therefore, adaptive impedance tuning methods are necessary in order to continuously achieve high-efficiency power transfer. To provide a countermeasure to this...
The majority of existing wireless power transfer(WPT) solutions are limited to two-dimensional (2-D) configurations, which limits mobility when charging electronic devices. What is needed are systems capable of 3-D WPT, which can deliver power everywhere throughout large volumes. Prior work on quasistatic cavity resonance (QSCR) showed promising results for ubiquitous WPT at room scales or larger...
Resonator design methods play an important role in realizing efficient wireless power transfer via magnetic resonant coupling (WPT-MRC) systems. In WPT-MRC systems, transmitting (Tx) resonator arrays are often used to extend the range of the power supply. However, it is difficult to design a receiving (Rx) resonator that prevents significant drops in transfer efficiency across the Tx resonator array...
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