Detecção e caracterização de não linearidades em sistemas mecanicos

AUTOR(ES)
DATA DE PUBLICAÇÃO

1990

RESUMO

This work presents a method for the detection of non -linearities in a physically realizable system based on the Hilbert transform and the implementation of the quadratic mathematical model in the frequency domain. This model is non-parametric, based on the Volterra and Wiener series and uses the spectral and biespectral analysis to obtain the frequency response function. Some non ? linear systems are simulated to ilIustrate the use and validity of the presented techniques

ASSUNTO(S)

engenharia mecanica mecanica não-linear

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