Dynamics of a cylindrical piezotransformer with different frequencies electrical influence on excitatory electrodes
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Abstract
A task is examined about the set electroresilient vibrations of cylindrical piezoelectric transformer with two sections of generator electrodes and two pair of excitative electrodes, each of which becomes excited by an electric signal with certain frequency and phase. The problem is set and solved with attraction of the linear theory of thin electro elastic shells under the mixed electric boundary conditions: electric voltage on one of its parts and a bias current – on another. The expressions, allowing calculating all basic electromechanical characteristics of dynamic process, namely displacements, piezoelectric strength, electric voltages on generative electrodes, are presented
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