Experimental investigation on the piezoelectric energy harvester as the self-powered vibration sensor
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AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Cracow
Submission date: 2017-03-10
Acceptance date: 2017-10-30
Online publication date: 2018-07-15
Publication date: 2018-07-15
Journal of Theoretical and Applied Mechanics 2018;56(3):687-699
The article presents an experimental study of a system consisting of a piezoelectric energy harvesting device, Graetz bridge rectifier, capacitor, voltage comparator and radio transmitter. In the presented experimental study, the recovered electrical energy is accumulated in the capacitor and is used to send signals by a radio transmitter. In the first part, the application of piezoelectric energy harvesting devices based on the cantilever beam in wireless monitoring systems is discussed. In the second part, the mathematical model of energy conversion in the piezoelectric energy harvesting devices is presented. In the third part, the characteristics obtained during laboratory research are presented.
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