Dynamic analysis of magnetic spring-based nonlinear oscillator system

Abstract This paper aims to study the dynamics of single-degree-of-freedom magnetic spring-based oscillator system. The proposed system contains a nonmagnetic shaft, floating permanent magnet (PM), and two fixed magnets (PMs). All PMs are placed in such way that they can repel each other. At first, system's properties restoring force studied. Experimental numerical analyses have been carried out validate analytical investigation force. linear nonlinear coefficients analysed from Moreover, how gravitational affects equilibrium position is studied by varying height oscillator. forces for different heights also analysed. In addition, dynamics, as damping ratio, eigenvalues natural frequencies system, investigated with without electromechanical coupling. Finally, energy generation capacity examined using