Analysis of output characteristics of positive feedback piezoelectric energy harvester based on nonlinear magnetic coupling
Rui Shi,
Jiawei Chen,
Tianbing Ma
et al.
Abstract:In light of the limitations of the current piezoelectric energy harvesters and the demand for self-power supply in wireless sensor nodes, a novel positive feedback piezoelectric energy harvester based on nonlinear magnetic coupling is proposed. The operational characteristics of this energy harvester are investigated from three perspectives: theory, simulation, and experiment. First, a nonlinear electromechanical coupling mathematical model that describes the dynamic response of the energy harvester system is … Show more
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