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Acoustic Power Transfer (APT) systems have gained interest in many engineering applications thanks to their superior efficiency and wireless connection when through-hole wiring is not an option. Although APT systems have been extensively studied in the last decades, the performance of such systems has not been yet optimized to achieve high efficiency or/and output power levels. In this paper, we consider the APT system consisting of a metal barrier sandwiched between two piezoelectric elements using epoxy as a coupling layer. Towards this, a three-dimensional propagation finite element model is developed and genetic algorithm-based optimization problem is formulated and implemented. The simulation results were compared against their experimental counterparts.
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Moustafa A. Sayed Ahmed, Brian Robert, Mehdi Ghommem, Shima Shahab, "Genetic algorithm optimization for through-wall ultrasound power transfer systems," Proc. SPIE PC12043, Active and Passive Smart Structures and Integrated Systems XVI, (18 April 2022); https://doi.org/10.1117/12.2612949