This paper proposes a dynamic T-shaped matching method and system based on piezoelectric transducer parameters to address the complex calculation method of ultrasound power dynamic matching tech-nology.The equivalent circuit parameters can be obtained by data fitting using upper computer,which crosses the equivalent circuit parameters of the ultrasonic transducer,then the parameters of the resonant frequency and T-type matching circuit elements can be determined and the matching circuit can be determined by lower com-puter and relays.The simulation results show that the data accuracy of this method is good,and the calculation speed is improved compared with those the existing calculation methods.
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