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A New Method to Improve the Simulation Of Piezoelectric Transducer Using PSPICE And Genetic Algorithms

Keywords: Genetic Algorithms module

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Abstract:

Piezoelectric transducer (SAW devices) is a very important device in industry but it is very difficult to simulate it using any circuit-simulation program. This paper proposes a practical method to simulatethe Mason’s model of piezoelectric transducer directly with no approximation for different values of the model’s components using PSPICE. The paper also improves the simulated circuit component valuesusing a Genetic Algorithms module. This optimization of the simulated circuit parameters minimizes the difference between the real output behavior of the piezoelectric transducer and the output of thesimulated circuit using PSPICE. The paper also contrasts the new method with two other methods that simulate the Mason’s model of the piezoelectric transducer.

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