Dual-Frequency Impedance Matching Network Design Using Genetic Algorithm for Power Ultrasound Transducer

Dual-Frequency Impedance Matching Network Design Using Genetic Algorithm for Power Ultrasound Transducer

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Dual-frequency ultrasounds have Hayward Forced Draft Parts demonstrated significant potential in augmenting thermal ablation efficiency for tumor treatment.Ensuring proper impedance matching between the dual-frequency transducer and the power amplifier system is imperative for equipment safety.This paper introduces a novel dual-frequency impedance matching network utilizing L-shaped topology and employing a genetic algorithm to compute component values.Implementation involved an adjustable capacitor and inductor network to achieve dual-frequency matching.

Subsequently, the acoustic parameters of the dual-frequency HIFU transducer were evaluated before and after matching, and the effects of ultrasound thermal ablation with and without matching were compared.The proposed dual-frequency impedance matching system effectively reduced the standing wave ratio at the two resonance points while enhancing transmission efficiency.Thermal ablation BOSCH NBS533BB0B Electric Built-under Double Oven - Black experiments with matching circuits showed improved temperature rise efficiencies at both frequencies, resulting in an expanded ablation zone.The dual-frequency impedance matching method significantly enhances the transmission efficiency of the dual-frequency ultrasound system at two operational frequencies, thereby ensuring equipment safety.

It holds promising prospects for application in dual-frequency ultrasound treatment.