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        Contactless Stimulation of Multiple Piezoelectric Devices Using Electric Field

        Tanaya Nayak,Biswaranjan Swain,Praveen P. Nayak,Satyanarayan Bhuyan 한국전기전자재료학회 2021 Transactions on Electrical and Electronic Material Vol.22 No.3

        The contactless energy transmission scheme using parallel-plate capacitor like structure has been explored which provides a platform for energization of multiple piezoelectric (piezo) components. In the proposed method, ac electric fi eld lines produced by copper electrodes penetrate to the piezo components that are coaxially aligned and positioned in-between at certain distance away from each electrode. Consequently, the components are strongly excited at a point where the functioning electric field source frequency alike with the mechanical resonant frequency of the piezo components. The maximum output power corresponding to optimum load and resonant frequency acquired from the contactless energized multi piezo devices is better than that of power obtained from contactless energized single piezo component by this parallel-plate capacitor electric field generator. The testing results reveal the practicability of non contact stimulation/excitation of multi piezo components simultaneously through electric fi eld.

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