Effect of high-frequency ac electromagnetic actuation on the dynamic of an excited cantilever beam
Abstract
The effects of the intensity of an electromagnetic actuation (EMA) on the dynamic behavior of a harmonically excited cantilever beam is analyzed in this paper. Analytical treatment based on perturbation analysis is performed on a simplified one degree of freedom equation modelling the first bending mode of the cantilever beam. The results shows that under a certain specific condition relating the intensity of the fast AC to the displacement, the alternating current of the EMA has a significant influence on the nonlinear behavior of the system.