Effect of Nonlinear Electromechanical Coupling in Magnetic Levitation Energy Harvester

Krzysztof Kecik and Marcin Kowalczuk
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Krzysztof Kecik: Department of Applied Mechanics, Lublin University of Technology, 20-618 Lublin, Poland
Marcin Kowalczuk: Department of Applied Mechanics, Lublin University of Technology, 20-618 Lublin, Poland

Energies, 2021, vol. 14, issue 9, 1-16

Abstract: This paper investigates the possibility of converting vibrations to electricity. A numerical and an experimental study of a magnetic levitation harvester are proposed. The system can be highly efficient when the electrical parameters are correctly tuned. Mechanical and electrical interaction of the harvester is described by an electromechanical coupling. Fixed value, linear and nonlinear electromechanical coupling models are presented and compared. It has been shown that the nonlinear electromechanical coupling model is more suitable for higher oscillations of the magnet. The obtained results show that nonlinear resonance and recovered energy can be controlled by the simple configuration of the magnet coil position. The recovered energy from the top branch is significantly higher, but this solution is much harder to obtain.

Keywords: electromechanical coupling; magnetic levitation; energy harvesting; frequency response (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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