Numerical and experimental studies of an electromechanical system with discontinuity excited by a non-sinusoidal periodic voltage
Source abstract
Abstract
This paper deals with the theoretical and experimental study of an electromechanical system with discontinuity excited by non-sinusoidal periodic voltage (EMSDENPV). After the conception and realization of the experimental prototype, its modeling is presented. The stability study of the EMSDENPV presents two steady states, one is unconditionally stable and the other one is unconditionally unstable. With a square excitation, the amplitude of the displacement increases with the increase of the elastic coefficient. With triangular excitation, the amplitude of the displacement decreases with the increase of the elastic coefficient. For square and triangular excitations, the numerical simulations of EMSDENPV show that periodic oscillations appear for low elasticity and low amplitude of the excitation. For high values of the elasticity coefficients and high amplitude of the excitation, chaotic dynamics appear. The results of the numerical simulations of EMSDENPV are verified experimentally and a good qualitative agreement is established.
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Research context
OpenAlex topics: Electromagnetic Effects on Materials · Nonlinear Dynamics and Pattern Formation · Electromagnetic Launch and Propulsion Technology
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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