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This paper presents a self-powered electromagnetic energy harvesting scheme by using a composite structure and a self-powered supply circuit. The energy of the vibrating wave induced from the magnetostrictive Terfenol-D plate can be converged by using an ultrasonic horn and the more vibrating energy can be converted into electric energy. A new switched capacitor network for storing and accumulating...
This paper presents a new energy harvesting sensor by collecting electromagnetic energy based on SAW ultrasonic horn. A unidirectional transducer group and an inhomogeneous piezoelectric structure are created inside the transducer while propagating the unidirectionality required for low loss and receiving the convergent acoustic wave with higher power output. Because of using the ultrasonic horn structure,...
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