Fully numerical technique uses machine learning and real-world circuit modeling to achieve load-independent, efficient wireless power transfer

https://www.eurekalert.org/news-releases/1093528

"circuit described using differential equations for how voltages/ currents evolve over time, taking into account real-world component characteristics... equations solved numerically, step by step, until steady-state... evaluates output voltage stability, power-delivery efficiency, total harmonic distortion, genetic algorithm then updates parameters, process repeated until optimum... <5% output voltage fluctuation (was 18%) when load changes... 86.7% power-delivery efficiency at 6.78 MHz, > 23 W output power"