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Fractional order describing functions
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Resumo(s)
This paper addresses limit cycles and signal propagation in dynamical systems with backlash. The study follows the describing function (DF) method for approximate analysis of nonlinearities and generalizes it in the perspective of the fractional calculus. The concept of fractional order describing function (FDF) is illustrated and the results for several numerical experiments are analysed. FDF leads to a novel viewpoint for limit cycle signal propagation as time-space waves within system structure.
Descrição
Palavras-chave
Fractional calculus Describing function Backlash Nonlinear systems Limit cycles Signal propagation
Contexto Educativo
Citação
Editora
Elsevier